CINXE.COM

<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-disabled skin-theme-clientpref-day vector-sticky-header-enabled vector-toc-available" lang="ko" dir="ltr"> <head> <meta charset="UTF-8"> <title>전력 - 위키백과, 우리 모두의 백과사전</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-disabled skin-theme-clientpref-day vector-sticky-header-enabled vector-toc-available";var cookie=document.cookie.match(/(?:^|; )kowikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":["",""],"wgDigitTransformTable":["",""],"wgDefaultDateFormat":"ko", "wgMonthNames":["","1월","2월","3월","4월","5월","6월","7월","8월","9월","10월","11월","12월"],"wgRequestId":"96b6a34a-8b29-436e-b38a-dd296e1bc321","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"전력","wgTitle":"전력","wgCurRevisionId":37471648,"wgRevisionId":37471648,"wgArticleId":821,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["해결되지 않은 속성이 있는 문서","위키데이터 속성 P18을 사용하는 문서","위키데이터 속성 P373을 사용하는 문서","위키데이터 속성 P227을 사용하는 문서","위키데이터 속성 P244를 사용하는 문서","위키데이터 속성 P349를 사용하는 문서","위키데이터 속성 P691을 사용하는 문서","위키데이터 속성 P1225를 사용하는 문서","위키데이터 속성 P7859를 사용하는 문서","위키데이터 속성 P8189를 사용하는 문서", "한국어 위키백과의 링크가 위키데이터와 같은 위키공용분류","GND 식별자를 포함한 위키백과 문서","J9U 식별자를 포함한 위키백과 문서","LCCN 식별자를 포함한 위키백과 문서","NDL 식별자를 포함한 위키백과 문서","NKC 식별자를 포함한 위키백과 문서","NARA 식별자를 포함한 위키백과 문서","전력","전자기학"],"wgPageViewLanguage":"ko","wgPageContentLanguage":"ko","wgPageContentModel":"wikitext","wgRelevantPageName":"전력","wgRelevantArticleId":821,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgNoticeProject":"wikipedia","wgCiteReferencePreviewsActive":true,"wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":0,"wgVisualEditor":{"pageLanguageCode":"ko","pageLanguageDir":"ltr","pageVariantFallbacks":"ko"},"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":true,"nearby":true },"wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":20000,"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q27137","wgCheckUserClientHintsHeadersJsApi":["brands","architecture","bitness","fullVersionList","mobile","model","platform","platformVersion"],"GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":false,"wgGEStructuredTaskRejectionReasonTextInputEnabled":false,"wgGELevelingUpEnabledForUser":false};RLSTATE={"ext.gadget.SectionFont":"ready","ext.globalCssJs.user.styles":"ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.cite.styles":"ready","ext.math.styles":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","jquery.makeCollapsible.styles":"ready", "ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready","ext.wikimediaBadges":"ready"};RLPAGEMODULES=["ext.cite.ux-enhancements","mediawiki.page.media","site","mediawiki.page.ready","jquery.makeCollapsible","mediawiki.toc","skins.vector.js","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.gadget.directcommons","ext.gadget.edittools","ext.gadget.refToolbar","ext.gadget.siteNotice","ext.gadget.scrollUpButton","ext.gadget.strikethroughTOC","ext.gadget.switcher","ext.gadget.WikiMiniAtlas","ext.gadget.Calculator","ext.urlShortener.toolbar","ext.centralauth.centralautologin","mmv.bootstrap","ext.popups","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.interface","ext.cx.eventlogging.campaigns","ext.cx.uls.quick.actions","wikibase.client.vector-2022", "ext.checkUser.clientHints","ext.growthExperiments.SuggestedEditSession"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=ko&modules=ext.cite.styles%7Cext.math.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cjquery.makeCollapsible.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&only=styles&skin=vector-2022"> <script async="" src="/w/load.php?lang=ko&modules=startup&only=scripts&raw=1&skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=ko&modules=ext.gadget.SectionFont&only=styles&skin=vector-2022"> <link rel="stylesheet" href="/w/load.php?lang=ko&modules=site.styles&only=styles&skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.16"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/0/0d/VFPt_Solenoid_correct2.svg/1200px-VFPt_Solenoid_correct2.svg.png"> <meta property="og:image:width" content="1200"> <meta property="og:image:height" content="490"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/0/0d/VFPt_Solenoid_correct2.svg/800px-VFPt_Solenoid_correct2.svg.png"> <meta property="og:image:width" content="800"> <meta property="og:image:height" content="327"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/0/0d/VFPt_Solenoid_correct2.svg/640px-VFPt_Solenoid_correct2.svg.png"> <meta property="og:image:width" content="640"> <meta property="og:image:height" content="261"> <meta name="viewport" content="width=1120"> <meta property="og:title" content="전력 - 위키백과, 우리 모두의 백과사전"> <meta property="og:type" content="website"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//ko.m.wikipedia.org/wiki/%EC%A0%84%EB%A0%A5"> <link rel="alternate" type="application/x-wiki" title="편집" href="/w/index.php?title=%EC%A0%84%EB%A0%A5&action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="위키백과 (ko)"> <link rel="EditURI" type="application/rsd+xml" href="//ko.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://ko.wikipedia.org/wiki/%EC%A0%84%EB%A0%A5"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.ko"> <link rel="alternate" type="application/atom+xml" title="위키백과 아톰 피드" href="/w/index.php?title=%ED%8A%B9%EC%88%98:%EC%B5%9C%EA%B7%BC%EB%B0%94%EB%80%9C&feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="login.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-전력 rootpage-전력 skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">본문으로 이동</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="사이트"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" title="주 메뉴" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="주 메뉴" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">주 메뉴</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">주 메뉴</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">사이드바로 이동</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">숨기기</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> 둘러보기 </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage-description" class="mw-list-item"><a href="/wiki/%EC%9C%84%ED%82%A4%EB%B0%B1%EA%B3%BC:%EB%8C%80%EB%AC%B8" title="대문으로 가기 [z]" accesskey="z"><span>대문</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B5%9C%EA%B7%BC%EB%B0%94%EB%80%9C" title="위키의 최근 바뀐 목록 [r]" accesskey="r"><span>최근 바뀜</span></a></li><li id="n-currentevents" class="mw-list-item"><a href="/wiki/%ED%8F%AC%ED%84%B8:%EC%9A%94%EC%A6%98_%ED%99%94%EC%A0%9C" title="최근의 소식 알아 보기"><span>요즘 화제</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/%ED%8A%B9%EC%88%98:%EC%9E%84%EC%9D%98%EB%AC%B8%EC%84%9C" title="무작위로 선택된 문서 불러오기 [x]" accesskey="x"><span>임의의 문서로</span></a></li><li id="n-specialpages" class="mw-list-item"><a href="/wiki/%ED%8A%B9%EC%88%98:%ED%8A%B9%EC%88%98%EB%AC%B8%EC%84%9C"><span>특수 문서 목록</span></a></li> </ul> </div> </div> <div id="p-사용자_모임" class="vector-menu mw-portlet mw-portlet-사용자_모임" > <div class="vector-menu-heading"> 사용자 모임 </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-projectchat" class="mw-list-item"><a href="/wiki/%EC%9C%84%ED%82%A4%EB%B0%B1%EA%B3%BC:%EC%82%AC%EB%9E%91%EB%B0%A9"><span>사랑방</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/%EC%9C%84%ED%82%A4%EB%B0%B1%EA%B3%BC:%EC%82%AC%EC%9A%A9%EC%9E%90_%EB%AA%A8%EC%9E%84" title="위키백과 참여자를 위한 토론/대화 공간입니다."><span>사용자 모임</span></a></li><li id="n-request" class="mw-list-item"><a href="/wiki/%EC%9C%84%ED%82%A4%EB%B0%B1%EA%B3%BC:%EC%9A%94%EC%B2%AD"><span>관리 요청</span></a></li> </ul> </div> </div> <div id="p-편집_안내" class="vector-menu mw-portlet mw-portlet-편집_안내" > <div class="vector-menu-heading"> 편집 안내 </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-helpintro" class="mw-list-item"><a href="/wiki/%EB%8F%84%EC%9B%80%EB%A7%90:%EC%86%8C%EA%B0%9C"><span>소개</span></a></li><li id="n-help" class="mw-list-item"><a href="/wiki/%EC%9C%84%ED%82%A4%EB%B0%B1%EA%B3%BC:%EB%8F%84%EC%9B%80%EB%A7%90" title="도움말"><span>도움말</span></a></li><li id="n-policy" class="mw-list-item"><a href="/wiki/%EC%9C%84%ED%82%A4%EB%B0%B1%EA%B3%BC:%EC%A0%95%EC%B1%85%EA%B3%BC_%EC%A7%80%EC%B9%A8"><span>정책과 지침</span></a></li><li id="n-qna" class="mw-list-item"><a href="/wiki/%EC%9C%84%ED%82%A4%EB%B0%B1%EA%B3%BC:%EC%A7%88%EB%AC%B8%EB%B0%A9"><span>질문방</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/%EC%9C%84%ED%82%A4%EB%B0%B1%EA%B3%BC:%EB%8C%80%EB%AC%B8" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="위키백과" src="/static/images/mobile/copyright/wikipedia-wordmark-ko.svg" style="width: 7.5em; height: 1.75em;"> <img class="mw-logo-tagline" alt="" src="/static/images/mobile/copyright/wikipedia-tagline-ko.svg" width="120" height="13" style="width: 7.5em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/%ED%8A%B9%EC%88%98:%EA%B2%80%EC%83%89" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="위키백과 검색 [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>검색</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="위키백과 검색" aria-label="위키백과 검색" autocapitalize="sentences" title="위키백과 검색 [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="특수:검색"> </div> <button class="cdx-button cdx-search-input__end-button">검색</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="개인 도구"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="보이기"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="문서의 글꼴 크기, 폭, 색의 모습을 변경합니다" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="보이기" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">보이기</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="https://donate.wikimedia.org/?wmf_source=donate&wmf_medium=sidebar&wmf_campaign=ko.wikipedia.org&uselang=ko" class=""><span>기부</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=%ED%8A%B9%EC%88%98:%EA%B3%84%EC%A0%95%EB%A7%8C%EB%93%A4%EA%B8%B0&returnto=%EC%A0%84%EB%A0%A5" title="계정을 만들고 로그인하는 것이 좋습니다. 하지만 필수는 아닙니다" class=""><span>계정 만들기</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=%ED%8A%B9%EC%88%98:%EB%A1%9C%EA%B7%B8%EC%9D%B8&returnto=%EC%A0%84%EB%A0%A5" title="위키백과에 로그인하면 여러가지 편리한 기능을 사용할 수 있습니다. [o]" accesskey="o" class=""><span>로그인</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="더 많은 옵션" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="개인 도구" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">개인 도구</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="사용자 메뉴" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="https://donate.wikimedia.org/?wmf_source=donate&wmf_medium=sidebar&wmf_campaign=ko.wikipedia.org&uselang=ko"><span>기부</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%ED%8A%B9%EC%88%98:%EA%B3%84%EC%A0%95%EB%A7%8C%EB%93%A4%EA%B8%B0&returnto=%EC%A0%84%EB%A0%A5" title="계정을 만들고 로그인하는 것이 좋습니다. 하지만 필수는 아닙니다"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>계정 만들기</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%ED%8A%B9%EC%88%98:%EB%A1%9C%EA%B7%B8%EC%9D%B8&returnto=%EC%A0%84%EB%A0%A5" title="위키백과에 로그인하면 여러가지 편리한 기능을 사용할 수 있습니다. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>로그인</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> 로그아웃한 편집자를 위한 문서 <a href="/wiki/%EB%8F%84%EC%9B%80%EB%A7%90:%EC%86%8C%EA%B0%9C" aria-label="편집에 관해 더 알아보기"><span>더 알아보기</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/%ED%8A%B9%EC%88%98:%EB%82%B4%EA%B8%B0%EC%97%AC" title="이 IP 주소의 편집 목록 [y]" accesskey="y"><span>기여</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/%ED%8A%B9%EC%88%98:%EB%82%B4%EC%82%AC%EC%9A%A9%EC%9E%90%ED%86%A0%EB%A1%A0" title="현재 사용하는 IP 주소에 대한 토론 문서 [n]" accesskey="n"><span>토론</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="사이트"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="목차" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">목차</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">사이드바로 이동</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">숨기기</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">처음 위치</div> </a> </li> <li id="toc-정의" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#정의"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>정의</span> </div> </a> <ul id="toc-정의-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-구분" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#구분"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>구분</span> </div> </a> <ul id="toc-구분-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-직류_전력" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#직류_전력"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>직류 전력</span> </div> </a> <ul id="toc-직류_전력-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-교류_전력" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#교류_전력"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>교류 전력</span> </div> </a> <button aria-controls="toc-교류_전력-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>교류 전력 하위섹션 토글하기</span> </button> <ul id="toc-교류_전력-sublist" class="vector-toc-list"> <li id="toc-역률_개선" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#역률_개선"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.1</span> <span>역률 개선</span> </div> </a> <ul id="toc-역률_개선-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-단상_전력과_삼상_전력" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#단상_전력과_삼상_전력"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2</span> <span>단상 전력과 삼상 전력</span> </div> </a> <ul id="toc-단상_전력과_삼상_전력-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-사용" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#사용"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>사용</span> </div> </a> <button aria-controls="toc-사용-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>사용 하위섹션 토글하기</span> </button> <ul id="toc-사용-sublist" class="vector-toc-list"> <li id="toc-송전선과_전력" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#송전선과_전력"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.1</span> <span>송전선과 전력</span> </div> </a> <ul id="toc-송전선과_전력-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-같이_보기" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#같이_보기"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>같이 보기</span> </div> </a> <ul id="toc-같이_보기-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-각주" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#각주"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>각주</span> </div> </a> <ul id="toc-각주-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-외부_링크" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#외부_링크"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>외부 링크</span> </div> </a> <ul id="toc-외부_링크-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="목차" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="목차" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="목차 토글" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">목차 토글</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">전력</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="다른 언어로 문서를 방문합니다. 69개 언어로 읽을 수 있습니다" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-69" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">69개 언어</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Elektriese_drywing" title="Elektriese drywing – 아프리칸스어" lang="af" hreflang="af" data-title="Elektriese drywing" data-language-autonym="Afrikaans" data-language-local-name="아프리칸스어" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%82%D8%AF%D8%B1%D8%A9_%D9%83%D9%87%D8%B1%D8%A8%D8%A7%D8%A6%D9%8A%D8%A9" title="قدرة كهربائية – 아랍어" lang="ar" hreflang="ar" data-title="قدرة كهربائية" data-language-autonym="العربية" data-language-local-name="아랍어" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-bar mw-list-item"><a href="https://bar.wikipedia.org/wiki/Elektrische_Leistung" title="Elektrische Leistung – Bavarian" lang="bar" hreflang="bar" data-title="Elektrische Leistung" data-language-autonym="Boarisch" data-language-local-name="Bavarian" class="interlanguage-link-target"><span>Boarisch</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%AD%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D1%8B%D1%87%D0%BD%D0%B0%D1%8F_%D0%BC%D0%B0%D0%B3%D1%83%D1%82%D0%BD%D0%B0%D1%81%D1%86%D1%8C" title="Электрычная магутнасць – 벨라루스어" lang="be" hreflang="be" data-title="Электрычная магутнасць" data-language-autonym="Беларуская" data-language-local-name="벨라루스어" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%95%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B0_%D0%BC%D0%BE%D1%89%D0%BD%D0%BE%D1%81%D1%82" title="Електрическа мощност – 불가리아어" lang="bg" hreflang="bg" data-title="Електрическа мощност" data-language-autonym="Български" data-language-local-name="불가리아어" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AC%E0%A7%88%E0%A6%A6%E0%A7%8D%E0%A6%AF%E0%A7%81%E0%A6%A4%E0%A6%BF%E0%A6%95_%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%AE%E0%A6%A4%E0%A6%BE" title="বৈদ্যুতিক ক্ষমতা – 벵골어" lang="bn" hreflang="bn" data-title="বৈদ্যুতিক ক্ষমতা" data-language-autonym="বাংলা" data-language-local-name="벵골어" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Elektri%C4%8Dna_snaga" title="Električna snaga – 보스니아어" lang="bs" hreflang="bs" data-title="Električna snaga" data-language-autonym="Bosanski" data-language-local-name="보스니아어" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Pot%C3%A8ncia_el%C3%A8ctrica" title="Potència elèctrica – 카탈로니아어" lang="ca" hreflang="ca" data-title="Potència elèctrica" data-language-autonym="Català" data-language-local-name="카탈로니아어" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Elektrick%C3%BD_v%C3%BDkon" title="Elektrický výkon – 체코어" lang="cs" hreflang="cs" data-title="Elektrický výkon" data-language-autonym="Čeština" data-language-local-name="체코어" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%AD%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%BE_%D1%85%C4%83%D0%B2%D0%B0%D1%82" title="Электро хăват – 추바시어" lang="cv" hreflang="cv" data-title="Электро хăват" data-language-autonym="Чӑвашла" data-language-local-name="추바시어" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/P%C5%B5er_trydan" title="Pŵer trydan – 웨일스어" lang="cy" hreflang="cy" data-title="Pŵer trydan" data-language-autonym="Cymraeg" data-language-local-name="웨일스어" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Elektrisk_effekt" title="Elektrisk effekt – 덴마크어" lang="da" hreflang="da" data-title="Elektrisk effekt" data-language-autonym="Dansk" data-language-local-name="덴마크어" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Elektrische_Leistung" title="Elektrische Leistung – 독일어" lang="de" hreflang="de" data-title="Elektrische Leistung" data-language-autonym="Deutsch" data-language-local-name="독일어" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%97%CE%BB%CE%B5%CE%BA%CF%84%CF%81%CE%B9%CE%BA%CE%AE_%CE%B9%CF%83%CF%87%CF%8D%CF%82" title="Ηλεκτρική ισχύς – 그리스어" lang="el" hreflang="el" data-title="Ηλεκτρική ισχύς" data-language-autonym="Ελληνικά" data-language-local-name="그리스어" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Electric_power" title="Electric power – 영어" lang="en" hreflang="en" data-title="Electric power" data-language-autonym="English" data-language-local-name="영어" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Elektra_povumo" title="Elektra povumo – 에스페란토어" lang="eo" hreflang="eo" data-title="Elektra povumo" data-language-autonym="Esperanto" data-language-local-name="에스페란토어" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Potencia_el%C3%A9ctrica" title="Potencia eléctrica – 스페인어" lang="es" hreflang="es" data-title="Potencia eléctrica" data-language-autonym="Español" data-language-local-name="스페인어" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Aktiivv%C3%B5imsus" title="Aktiivvõimsus – 에스토니아어" lang="et" hreflang="et" data-title="Aktiivvõimsus" data-language-autonym="Eesti" data-language-local-name="에스토니아어" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Potentzia_elektriko" title="Potentzia elektriko – 바스크어" lang="eu" hreflang="eu" data-title="Potentzia elektriko" data-language-autonym="Euskara" data-language-local-name="바스크어" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%AA%D9%88%D8%A7%D9%86_%D8%A7%D9%84%DA%A9%D8%AA%D8%B1%DB%8C%DA%A9%DB%8C" title="توان الکتریکی – 페르시아어" lang="fa" hreflang="fa" data-title="توان الکتریکی" data-language-autonym="فارسی" data-language-local-name="페르시아어" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/P%C3%A4t%C3%B6teho" title="Pätöteho – 핀란드어" lang="fi" hreflang="fi" data-title="Pätöteho" data-language-autonym="Suomi" data-language-local-name="핀란드어" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Puissance_%C3%A9lectrique" title="Puissance électrique – 프랑스어" lang="fr" hreflang="fr" data-title="Puissance électrique" data-language-autonym="Français" data-language-local-name="프랑스어" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Elektrisk_efekt" title="Elektrisk efekt – 북부 프리지아어" lang="frr" hreflang="frr" data-title="Elektrisk efekt" data-language-autonym="Nordfriisk" data-language-local-name="북부 프리지아어" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Fuinneamh_agus_cumhacht_leictreach" title="Fuinneamh agus cumhacht leictreach – 아일랜드어" lang="ga" hreflang="ga" data-title="Fuinneamh agus cumhacht leictreach" data-language-autonym="Gaeilge" data-language-local-name="아일랜드어" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%94%D7%A1%D7%A4%D7%A7_%D7%97%D7%A9%D7%9E%D7%9C%D7%99" title="הספק חשמלי – 히브리어" lang="he" hreflang="he" data-title="הספק חשמלי" data-language-autonym="עברית" data-language-local-name="히브리어" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B5%E0%A4%BF%E0%A4%A6%E0%A5%8D%E0%A4%AF%E0%A5%81%E0%A4%A4_%E0%A4%B6%E0%A4%95%E0%A5%8D%E0%A4%A4%E0%A4%BF" title="विद्युत शक्ति – 힌디어" lang="hi" hreflang="hi" data-title="विद्युत शक्ति" data-language-autonym="हिन्दी" data-language-local-name="힌디어" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Elektri%C4%8Dna_snaga" title="Električna snaga – 크로아티아어" lang="hr" hreflang="hr" data-title="Električna snaga" data-language-autonym="Hrvatski" data-language-local-name="크로아티아어" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Puisans_elektrik" title="Puisans elektrik – 아이티어" lang="ht" hreflang="ht" data-title="Puisans elektrik" data-language-autonym="Kreyòl ayisyen" data-language-local-name="아이티어" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%B7%D5%AC%D5%A5%D5%AF%D5%BF%D6%80%D5%A1%D5%AF%D5%A1%D5%B6_%D5%B0%D5%A6%D5%B8%D6%80%D5%B8%D6%82%D5%A9%D5%B5%D5%B8%D6%82%D5%B6" title="Էլեկտրական հզորություն – 아르메니아어" lang="hy" hreflang="hy" data-title="Էլեկտրական հզորություն" data-language-autonym="Հայերեն" data-language-local-name="아르메니아어" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Daya_listrik" title="Daya listrik – 인도네시아어" lang="id" hreflang="id" data-title="Daya listrik" data-language-autonym="Bahasa Indonesia" data-language-local-name="인도네시아어" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Raforka" title="Raforka – 아이슬란드어" lang="is" hreflang="is" data-title="Raforka" data-language-autonym="Íslenska" data-language-local-name="아이슬란드어" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Potenza_elettrica" title="Potenza elettrica – 이탈리아어" lang="it" hreflang="it" data-title="Potenza elettrica" data-language-autonym="Italiano" data-language-local-name="이탈리아어" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-iu mw-list-item"><a href="https://iu.wikipedia.org/wiki/%E1%91%B2%E1%91%89%E1%90%B3%E1%91%8E%E1%92%A8%E1%96%85%E1%91%90%E1%96%85" title="ᑲᑉᐳᑎᒨᖅᑐᖅ – 이눅티투트어" lang="iu" hreflang="iu" data-title="ᑲᑉᐳᑎᒨᖅᑐᖅ" data-language-autonym="ᐃᓄᒃᑎᑐᑦ / inuktitut" data-language-local-name="이눅티투트어" class="interlanguage-link-target"><span>ᐃᓄᒃᑎᑐᑦ / inuktitut</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E9%9B%BB%E5%8A%9B" title="電力 – 일본어" lang="ja" hreflang="ja" data-title="電力" data-language-autonym="日本語" data-language-local-name="일본어" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%AD%D0%BB%D0%B5%D0%BA%D1%82%D1%80_%D2%9B%D1%83%D0%B0%D1%82%D1%8B" title="Электр қуаты – 카자흐어" lang="kk" hreflang="kk" data-title="Электр қуаты" data-language-autonym="Қазақша" data-language-local-name="카자흐어" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/%C5%9Eiyana_karebay%C3%AE" title="Şiyana karebayî – 쿠르드어" lang="ku" hreflang="ku" data-title="Şiyana karebayî" data-language-autonym="Kurdî" data-language-local-name="쿠르드어" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Elektros_srov%C4%97s_galia" title="Elektros srovės galia – 리투아니아어" lang="lt" hreflang="lt" data-title="Elektros srovės galia" data-language-autonym="Lietuvių" data-language-local-name="리투아니아어" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%95%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BC%D0%BE%D1%9C%D0%BD%D0%BE%D1%81%D1%82" title="Електрична моќност – 마케도니아어" lang="mk" hreflang="mk" data-title="Електрична моќност" data-language-autonym="Македонски" data-language-local-name="마케도니아어" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Kuasa_elektrik" title="Kuasa elektrik – 말레이어" lang="ms" hreflang="ms" data-title="Kuasa elektrik" data-language-autonym="Bahasa Melayu" data-language-local-name="말레이어" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%9C%E1%80%BB%E1%80%BE%E1%80%95%E1%80%BA%E1%80%85%E1%80%85%E1%80%BA%E1%80%85%E1%80%BD%E1%80%99%E1%80%BA%E1%80%B8%E1%80%A1%E1%80%AC%E1%80%B8" title="လျှပ်စစ်စွမ်းအား – 버마어" lang="my" hreflang="my" data-title="လျှပ်စစ်စွမ်းအား" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="버마어" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Elektrisch_vermogen" title="Elektrisch vermogen – 네덜란드어" lang="nl" hreflang="nl" data-title="Elektrisch vermogen" data-language-autonym="Nederlands" data-language-local-name="네덜란드어" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Elektrisk_effekt" title="Elektrisk effekt – 노르웨이어(니노르스크)" lang="nn" hreflang="nn" data-title="Elektrisk effekt" data-language-autonym="Norsk nynorsk" data-language-local-name="노르웨이어(니노르스크)" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Elektrisk_effekt" title="Elektrisk effekt – 노르웨이어(보크말)" lang="nb" hreflang="nb" data-title="Elektrisk effekt" data-language-autonym="Norsk bokmål" data-language-local-name="노르웨이어(보크말)" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-or mw-list-item"><a href="https://or.wikipedia.org/wiki/%E0%AC%AC%E0%AC%BF%E0%AC%A6%E0%AD%8D%E0%AD%9F%E0%AD%81%E0%AC%A4%E0%AD%8D_%E0%AC%B6%E0%AC%95%E0%AD%8D%E0%AC%A4%E0%AC%BF" title="ବିଦ୍ୟୁତ୍ ଶକ୍ତି – 오리야어" lang="or" hreflang="or" data-title="ବିଦ୍ୟୁତ୍ ଶକ୍ତି" data-language-autonym="ଓଡ଼ିଆ" data-language-local-name="오리야어" class="interlanguage-link-target"><span>ଓଡ଼ିଆ</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%87%E0%A8%B2%E0%A9%88%E0%A8%95%E0%A8%9F%E0%A9%8D%E0%A8%B0%E0%A8%BF%E0%A8%95_%E0%A8%AA%E0%A8%BE%E0%A8%B5%E0%A8%B0" title="ਇਲੈਕਟ੍ਰਿਕ ਪਾਵਰ – 펀잡어" lang="pa" hreflang="pa" data-title="ਇਲੈਕਟ੍ਰਿਕ ਪਾਵਰ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="펀잡어" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Moc_elektryczna" title="Moc elektryczna – 폴란드어" lang="pl" hreflang="pl" data-title="Moc elektryczna" data-language-autonym="Polski" data-language-local-name="폴란드어" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D8%A7%D9%84%DB%8C%DA%A9%D9%B9%D8%B1%DA%A9_%D9%BE%D8%A7%D9%88%D8%B1" title="الیکٹرک پاور – Western Punjabi" lang="pnb" hreflang="pnb" data-title="الیکٹرک پاور" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Pot%C3%AAncia_el%C3%A9trica" title="Potência elétrica – 포르투갈어" lang="pt" hreflang="pt" data-title="Potência elétrica" data-language-autonym="Português" data-language-local-name="포르투갈어" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Putere_electric%C4%83" title="Putere electrică – 루마니아어" lang="ro" hreflang="ro" data-title="Putere electrică" data-language-autonym="Română" data-language-local-name="루마니아어" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%AD%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B0%D1%8F_%D0%BC%D0%BE%D1%89%D0%BD%D0%BE%D1%81%D1%82%D1%8C" title="Электрическая мощность – 러시아어" lang="ru" hreflang="ru" data-title="Электрическая мощность" data-language-autonym="Русский" data-language-local-name="러시아어" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Electric_pouer" title="Electric pouer – 스코틀랜드어" lang="sco" hreflang="sco" data-title="Electric pouer" data-language-autonym="Scots" data-language-local-name="스코틀랜드어" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Elektri%C4%8Dna_snaga" title="Električna snaga – 세르비아-크로아티아어" lang="sh" hreflang="sh" data-title="Električna snaga" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="세르비아-크로아티아어" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B7%80%E0%B7%92%E0%B6%AF%E0%B7%94%E0%B6%BD%E0%B7%92_%E0%B6%9A%E0%B7%8A%E0%B7%82%E0%B6%B8%E0%B6%AD%E0%B7%8F%E0%B7%80" title="විදුලි ක්ෂමතාව – 싱할라어" lang="si" hreflang="si" data-title="විදුලි ක්ෂමතාව" data-language-autonym="සිංහල" data-language-local-name="싱할라어" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Electric_power" title="Electric power – Simple English" lang="en-simple" hreflang="en-simple" data-title="Electric power" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/%C4%8Cinn%C3%BD_v%C3%BDkon" title="Činný výkon – 슬로바키아어" lang="sk" hreflang="sk" data-title="Činný výkon" data-language-autonym="Slovenčina" data-language-local-name="슬로바키아어" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Rryma_elektrike" title="Rryma elektrike – 알바니아어" lang="sq" hreflang="sq" data-title="Rryma elektrike" data-language-autonym="Shqip" data-language-local-name="알바니아어" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%95%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D1%81%D0%BD%D0%B0%D0%B3%D0%B0" title="Електрична снага – 세르비아어" lang="sr" hreflang="sr" data-title="Електрична снага" data-language-autonym="Српски / srpski" data-language-local-name="세르비아어" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-stq mw-list-item"><a href="https://stq.wikipedia.org/wiki/Stroom_-_Laistenge_-_Energie" title="Stroom - Laistenge - Energie – Saterland Frisian" lang="stq" hreflang="stq" data-title="Stroom - Laistenge - Energie" data-language-autonym="Seeltersk" data-language-local-name="Saterland Frisian" class="interlanguage-link-target"><span>Seeltersk</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%AE%E0%AE%BF%E0%AE%A9%E0%AF%8D%E0%AE%A4%E0%AE%BF%E0%AE%B1%E0%AE%A9%E0%AF%8D" title="மின்திறன் – 타밀어" lang="ta" hreflang="ta" data-title="மின்திறன்" data-language-autonym="தமிழ்" data-language-local-name="타밀어" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/G%C3%BC%C3%A7_(elektrik)" title="Güç (elektrik) – 튀르키예어" lang="tr" hreflang="tr" data-title="Güç (elektrik)" data-language-autonym="Türkçe" data-language-local-name="튀르키예어" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9F%D0%BE%D1%82%D1%83%D0%B6%D0%BD%D1%96%D1%81%D1%82%D1%8C_%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%BE%D0%B3%D0%BE_%D1%81%D1%82%D1%80%D1%83%D0%BC%D1%83" title="Потужність електричного струму – 우크라이나어" lang="uk" hreflang="uk" data-title="Потужність електричного струму" data-language-autonym="Українська" data-language-local-name="우크라이나어" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%A8%D8%B1%D9%82%DB%8C_%D9%82%D9%88%D8%AA" title="برقی قوت – 우르두어" lang="ur" hreflang="ur" data-title="برقی قوت" data-language-autonym="اردو" data-language-local-name="우르두어" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Elektr_sig%CA%BBimi" title="Elektr sigʻimi – 우즈베크어" lang="uz" hreflang="uz" data-title="Elektr sigʻimi" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="우즈베크어" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/%C4%90i%E1%BB%87n_l%E1%BB%B1c" title="Điện lực – 베트남어" lang="vi" hreflang="vi" data-title="Điện lực" data-language-autonym="Tiếng Việt" data-language-local-name="베트남어" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E7%94%B5%E5%8A%9B" title="电力 – 우어" lang="wuu" hreflang="wuu" data-title="电力" data-language-autonym="吴语" data-language-local-name="우어" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E9%9B%BB%E5%8A%9B" title="電力 – 중국어" lang="zh" hreflang="zh" data-title="電力" data-language-autonym="中文" data-language-local-name="중국어" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Ti%C4%81n-le%CC%8Dk" title="Tiān-le̍k – 민난어" lang="nan" hreflang="nan" data-title="Tiān-le̍k" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="민난어" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E9%9B%BB%E5%8A%9B" title="電力 – 광둥어" lang="yue" hreflang="yue" data-title="電力" data-language-autonym="粵語" data-language-local-name="광둥어" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zu mw-list-item"><a href="https://zu.wikipedia.org/wiki/Amandla_wamazuba" title="Amandla wamazuba – 줄루어" lang="zu" hreflang="zu" data-title="Amandla wamazuba" data-language-autonym="IsiZulu" data-language-local-name="줄루어" class="interlanguage-link-target"><span>IsiZulu</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q27137#sitelinks-wikipedia" title="언어 간 링크 편집" class="wbc-editpage">링크 편집</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="이름공간"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/%EC%A0%84%EB%A0%A5" title="본문 보기 [c]" accesskey="c"><span>문서</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/%ED%86%A0%EB%A1%A0:%EC%A0%84%EB%A0%A5" rel="discussion" title="문서의 내용에 대한 토론 문서 [t]" accesskey="t"><span>토론</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="언어 변종 바꾸기" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">한국어</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="보기"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/%EC%A0%84%EB%A0%A5"><span>읽기</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%EC%A0%84%EB%A0%A5&action=edit" title="이 문서의 원본 코드를 편집 [e]" accesskey="e"><span>편집</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%EC%A0%84%EB%A0%A5&action=history" title="이 문서의 과거 편집 내역입니다. [h]" accesskey="h"><span>역사 보기</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="페이지 도구"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="도구" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">도구</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">도구</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">사이드바로 이동</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">숨기기</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="더 많은 옵션" > <div class="vector-menu-heading"> 동작 </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/%EC%A0%84%EB%A0%A5"><span>읽기</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%EC%A0%84%EB%A0%A5&action=edit" title="이 문서의 원본 코드를 편집 [e]" accesskey="e"><span>편집</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%EC%A0%84%EB%A0%A5&action=history"><span>역사 보기</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> 일반 </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/%ED%8A%B9%EC%88%98:%EA%B0%80%EB%A6%AC%ED%82%A4%EB%8A%94%EB%AC%B8%EC%84%9C/%EC%A0%84%EB%A0%A5" title="여기를 가리키는 모든 위키 문서의 목록 [j]" accesskey="j"><span>여기를 가리키는 문서</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/%ED%8A%B9%EC%88%98:%EB%A7%81%ED%81%AC%EC%B5%9C%EA%B7%BC%EB%B0%94%EB%80%9C/%EC%A0%84%EB%A0%A5" rel="nofollow" title="이 문서에서 링크한 문서의 최근 바뀜 [k]" accesskey="k"><span>가리키는 글의 최근 바뀜</span></a></li><li id="t-upload" class="mw-list-item"><a href="//ko.wikipedia.org/wiki/위키백과:파일_올리기" title="파일 올리기 [u]" accesskey="u"><span>파일 올리기</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=%EC%A0%84%EB%A0%A5&oldid=37471648" title="이 문서의 이 판에 대한 고유 링크"><span>고유 링크</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=%EC%A0%84%EB%A0%A5&action=info" title="이 문서에 대한 자세한 정보"><span>문서 정보</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=%ED%8A%B9%EC%88%98:%EC%9D%B4%EB%AC%B8%EC%84%9C%EC%9D%B8%EC%9A%A9&page=%EC%A0%84%EB%A0%A5&id=37471648&wpFormIdentifier=titleform" title="이 문서를 인용하는 방법에 대한 정보"><span>이 문서 인용하기</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=%ED%8A%B9%EC%88%98:UrlShortener&url=https%3A%2F%2Fko.wikipedia.org%2Fwiki%2F%25EC%25A0%2584%25EB%25A0%25A5"><span>축약된 URL 얻기</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=%ED%8A%B9%EC%88%98:QrCode&url=https%3A%2F%2Fko.wikipedia.org%2Fwiki%2F%25EC%25A0%2584%25EB%25A0%25A5"><span>QR 코드 다운로드</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> 인쇄/내보내기 </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=%ED%8A%B9%EC%88%98:%EC%B1%85&bookcmd=book_creator&referer=%EC%A0%84%EB%A0%A5"><span>책 만들기</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=%ED%8A%B9%EC%88%98:DownloadAsPdf&page=%EC%A0%84%EB%A0%A5&action=show-download-screen"><span>PDF로 다운로드</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=%EC%A0%84%EB%A0%A5&printable=yes" title="이 문서의 인쇄용 판 [p]" accesskey="p"><span>인쇄용 판</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> 다른 프로젝트 </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Electrical_power" hreflang="en"><span>위키미디어 공용</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q27137" title="데이터 저장소에 연결된 항목을 가리키는 링크 [g]" accesskey="g"><span>위키데이터 항목</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="페이지 도구"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="보이기"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">보이기</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">사이드바로 이동</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">숨기기</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">위키백과, 우리 모두의 백과사전.</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="ko" dir="ltr"><p><span class="nowrap"></span> </p> <div class="dablink hatnote"><span typeof="mw:File"><a href="/wiki/%EC%9C%84%ED%82%A4%EB%B0%B1%EA%B3%BC:%EB%8F%99%EC%9D%8C%EC%9D%B4%EC%9D%98%EC%96%B4_%EB%AC%B8%EC%84%9C" title="위키백과:동음이의어 문서"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Disambig_grey.svg/23px-Disambig_grey.svg.png" decoding="async" width="23" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Disambig_grey.svg/35px-Disambig_grey.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Disambig_grey.svg/46px-Disambig_grey.svg.png 2x" data-file-width="260" data-file-height="200" /></a></span> 다른 뜻에 대해서는 <a href="/wiki/%EC%A0%84%EB%A0%A5_(%EB%8F%99%EC%9D%8C%EC%9D%B4%EC%9D%98)" class="mw-disambig" title="전력 (동음이의)">전력 (동음이의)</a> 문서를 참고하십시오.</div> <style data-mw-deduplicate="TemplateStyles:r36480591">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": "}.mw-parser-output .hlist dd::after,.mw-parser-output .hlist li::after{content:" · ";font-weight:bold}.mw-parser-output .hlist dd:last-child::after,.mw-parser-output .hlist dt:last-child::after,.mw-parser-output .hlist li:last-child::after{content:none}.mw-parser-output .hlist dd dd:first-child::before,.mw-parser-output .hlist dd dt:first-child::before,.mw-parser-output .hlist dd li:first-child::before,.mw-parser-output .hlist dt dd:first-child::before,.mw-parser-output .hlist dt dt:first-child::before,.mw-parser-output .hlist dt li:first-child::before,.mw-parser-output .hlist li dd:first-child::before,.mw-parser-output .hlist li dt:first-child::before,.mw-parser-output .hlist li li:first-child::before{content:" (";font-weight:normal}.mw-parser-output .hlist dd dd:last-child::after,.mw-parser-output .hlist dd dt:last-child::after,.mw-parser-output .hlist dd li:last-child::after,.mw-parser-output .hlist dt dd:last-child::after,.mw-parser-output .hlist dt dt:last-child::after,.mw-parser-output .hlist dt li:last-child::after,.mw-parser-output .hlist li dd:last-child::after,.mw-parser-output .hlist li dt:last-child::after,.mw-parser-output .hlist li li:last-child::after{content:")";font-weight:normal}.mw-parser-output .hlist ol{counter-reset:listitem}.mw-parser-output .hlist ol>li{counter-increment:listitem}.mw-parser-output .hlist ol>li::before{content:" "counter(listitem)"\a0 "}.mw-parser-output .hlist dd ol>li:first-child::before,.mw-parser-output .hlist dt ol>li:first-child::before,.mw-parser-output .hlist li ol>li:first-child::before{content:" ("counter(listitem)"\a0 "}.mw-parser-output .hlist-pipe dd:after,.mw-parser-output .hlist-pipe li:after{content:" | ";font-weight:normal}.mw-parser-output .hlist-hyphen dd:after,.mw-parser-output .hlist-hyphen li:after{content:" - ";font-weight:normal}.mw-parser-output .hlist-comma dd:after,.mw-parser-output .hlist-comma li:after{content:", ";font-weight:normal}.mw-parser-output .hlist-slash dd:after,.mw-parser-output .hlist-slash li:after{content:" / ";font-weight:normal}</style><style data-mw-deduplicate="TemplateStyles:r38592357">.mw-parser-output .sidebar{width:22em;float:right;clear:right;margin:0.5em 0 1em 1em;background:var(--background-color-neutral-subtle,#f8f9fa);border:1px solid var(--border-color-base,#a2a9b1);padding:0.2em;text-align:center;line-height:1.4em;font-size:88%;border-collapse:collapse;display:table}body.skin-minerva .mw-parser-output .sidebar{display:table!important;float:right!important;margin:0.5em 0 1em 1em!important}.mw-parser-output .sidebar-subgroup{width:100%;margin:0;border-spacing:0}.mw-parser-output .sidebar-left{float:left;clear:left;margin:0.5em 1em 1em 0}.mw-parser-output .sidebar-none{float:none;clear:both;margin:0.5em 1em 1em 0}.mw-parser-output .sidebar-outer-title{padding:0 0.4em 0.2em;font-size:125%;line-height:1.2em;font-weight:bold}.mw-parser-output .sidebar-top-image{padding:0.4em}.mw-parser-output .sidebar-top-caption,.mw-parser-output .sidebar-pretitle-with-top-image,.mw-parser-output .sidebar-caption{padding:0.2em 0.4em 0;line-height:1.2em}.mw-parser-output .sidebar-pretitle{padding:0.4em 0.4em 0;line-height:1.2em}.mw-parser-output .sidebar-title,.mw-parser-output .sidebar-title-with-pretitle{padding:0.2em 0.8em;font-size:145%;line-height:1.2em}.mw-parser-output .sidebar-title-with-pretitle{padding:0.1em 0.4em}.mw-parser-output .sidebar-image{padding:0.2em 0.4em 0.4em}.mw-parser-output .sidebar-heading{padding:0.1em 0.4em}.mw-parser-output .sidebar-content{padding:0 0.5em 0.4em}.mw-parser-output .sidebar-content-with-subgroup{padding:0.1em 0.4em 0.2em}.mw-parser-output .sidebar-above,.mw-parser-output .sidebar-below{padding:0.3em 0.8em;font-weight:bold}.mw-parser-output .sidebar-collapse .sidebar-above,.mw-parser-output .sidebar-collapse .sidebar-below{border-top:1px solid #aaa;border-bottom:1px solid #aaa}.mw-parser-output .sidebar-navbar{text-align:right;font-size:115%;padding:0 0.4em 0.4em}.mw-parser-output .sidebar-list-title{padding:0 0.4em;text-align:left;font-weight:bold;line-height:1.6em;font-size:105%}.mw-parser-output .sidebar-list-title-c{padding:0 0.4em;text-align:center;margin:0 3.3em}@media(max-width:640px){body.mediawiki .mw-parser-output .sidebar{width:100%!important;clear:both;float:none!important;margin-left:0!important;margin-right:0!important}}body.skin--responsive .mw-parser-output .sidebar a>img{max-width:none!important}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sidebar:not(.notheme) .sidebar-list-title,html.skin-theme-clientpref-night .mw-parser-output .sidebar:not(.notheme) .sidebar-title-with-pretitle{background:transparent!important}html.skin-theme-clientpref-night .mw-parser-output .sidebar:not(.notheme) .sidebar-title-with-pretitle a{color:var(--color-progressive)!important}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sidebar:not(.notheme) .sidebar-list-title,html.skin-theme-clientpref-os .mw-parser-output .sidebar:not(.notheme) .sidebar-title-with-pretitle{background:transparent!important}html.skin-theme-clientpref-os .mw-parser-output .sidebar:not(.notheme) .sidebar-title-with-pretitle a{color:var(--color-progressive)!important}}@media print{body.ns-0 .mw-parser-output .sidebar{display:none!important}}</style><table class="sidebar sidebar-collapse nomobile nowraplinks"><caption class="sidebar-outer-title"><a href="/wiki/%EC%A0%84%EC%9E%90%EA%B8%B0%ED%95%99" title="전자기학">고전 전자기학</a></caption><tbody><tr><td class="sidebar-image"><span typeof="mw:File"><a href="/wiki/%ED%8C%8C%EC%9D%BC:VFPt_Solenoid_correct2.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0d/VFPt_Solenoid_correct2.svg/200px-VFPt_Solenoid_correct2.svg.png" decoding="async" width="200" height="82" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0d/VFPt_Solenoid_correct2.svg/300px-VFPt_Solenoid_correct2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0d/VFPt_Solenoid_correct2.svg/400px-VFPt_Solenoid_correct2.svg.png 2x" data-file-width="490" data-file-height="200" /></a></span></td></tr><tr><td class="sidebar-above"> <a href="/wiki/%EC%A0%84%EA%B8%B0" title="전기">전기</a> <span style="font-weight:bold;">·</span> <a href="/wiki/%EC%9E%90%EA%B8%B0" title="자기">자기</a></td></tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="color: var(--color-base)"><a href="/wiki/%EC%A0%95%EC%A0%84%EA%B8%B0%ED%95%99" title="정전기학">정전기학</a></div><div class="sidebar-list-content mw-collapsible-content"><div class="hlist"> <ul><li><a href="/wiki/%EC%A0%84%ED%95%98" title="전하">전하</a></li> <li><a href="/wiki/%EC%BF%A8%EB%A1%B1_%EB%B2%95%EC%B9%99" title="쿨롱 법칙">쿨롱 법칙</a></li> <li><a href="/wiki/%EC%A0%84%EA%B8%B0%EC%9E%A5" title="전기장">전기장</a></li> <li><a href="/wiki/%EB%B3%80%EC%9C%84%EC%9E%A5" title="변위장">변위장</a></li> <li><a href="/wiki/%EC%A0%84%EA%B8%B0_%EC%84%A0%EC%86%8D" title="전기 선속">전기 선속</a></li> <li><a href="/wiki/%EA%B0%80%EC%9A%B0%EC%8A%A4_%EB%B2%95%EC%B9%99" title="가우스 법칙">가우스 법칙</a></li> <li><a href="/wiki/%EC%A0%84%EC%9C%84" title="전위">전위</a></li> <li><a href="/wiki/%EC%A0%95%EC%A0%84%EA%B8%B0_%EC%9C%A0%EB%8F%84" title="정전기 유도">정전기 유도</a></li> <li><a href="/wiki/%EC%A0%84%EA%B8%B0_%EC%8C%8D%EA%B7%B9%EC%9E%90_%EB%AA%A8%EB%A9%98%ED%8A%B8" title="전기 쌍극자 모멘트">전기 쌍극자 모멘트</a></li> <li><a href="/wiki/%ED%8E%B8%EA%B7%B9_%EB%B0%80%EB%8F%84" title="편극 밀도">편극 밀도</a></li> <li><a href="/wiki/%EC%9C%A0%EC%A0%84%EC%9C%A8" title="유전율">유전율</a></li> <li><a href="/wiki/%EC%98%81%EC%83%81%EB%B2%95" title="영상법">영상법</a></li></ul> </div></div></div></td> </tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="color: var(--color-base)"><a href="/wiki/%EC%A0%95%EC%9E%90%EA%B8%B0%ED%95%99" title="정자기학">정자기학</a></div><div class="sidebar-list-content mw-collapsible-content"><div class="hlist"> <ul><li><a href="/wiki/%EC%95%99%ED%8E%98%EB%A5%B4_%ED%9A%8C%EB%A1%9C_%EB%B2%95%EC%B9%99" title="앙페르 회로 법칙">앙페르 회로 법칙</a></li> <li><a href="/wiki/%EC%A0%84%EB%A5%98" title="전류">전류</a></li> <li><a href="/wiki/%EC%9E%90%EA%B8%B0%EC%9E%A5" title="자기장">자기장</a></li> <li><a href="/wiki/%EC%9E%90%EA%B8%B0%ED%99%94" title="자기화">자기화</a></li> <li><a href="/wiki/%ED%88%AC%EC%9E%90%EC%9C%A8" title="투자율">투자율</a></li> <li><a href="/wiki/%EC%9E%90%EA%B8%B0_%EC%84%A0%EC%86%8D" title="자기 선속">자기 선속</a></li> <li><a href="/wiki/%EB%B9%84%EC%98%A4-%EC%82%AC%EB%B0%94%EB%A5%B4_%EB%B2%95%EC%B9%99" title="비오-사바르 법칙">비오-사바르 법칙</a></li> <li><a href="/wiki/%EC%9E%90%EA%B8%B0_%EB%AA%A8%EB%A9%98%ED%8A%B8" title="자기 모멘트">자기 모멘트</a></li> <li><a href="/wiki/%EA%B0%80%EC%9A%B0%EC%8A%A4_%EC%9E%90%EA%B8%B0_%EB%B2%95%EC%B9%99" title="가우스 자기 법칙">가우스 자기 법칙</a></li></ul> </div></div></div></td> </tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="color: var(--color-base)"><a href="/wiki/%EA%B3%A0%EC%A0%84_%EC%A0%84%EC%9E%90%EA%B8%B0%ED%95%99" title="고전 전자기학">전기역학</a></div><div class="sidebar-list-content mw-collapsible-content"><div class="hlist"> <ul><li><a href="/wiki/%EB%A1%9C%EB%9F%B0%EC%B8%A0_%ED%9E%98" title="로런츠 힘">로런츠 힘</a></li> <li><a href="/wiki/%EA%B8%B0%EC%A0%84%EB%A0%A5" title="기전력">기전력</a></li> <li><a href="/wiki/%EC%A0%84%EC%9E%90%EA%B8%B0_%EC%9C%A0%EB%8F%84" title="전자기 유도">전자기 유도</a></li> <li><a href="/wiki/%ED%8C%A8%EB%9F%AC%EB%8D%B0%EC%9D%B4_%EC%A0%84%EC%9E%90%EA%B8%B0_%EC%9C%A0%EB%8F%84_%EB%B2%95%EC%B9%99" title="패러데이 전자기 유도 법칙">패러데이 법칙</a></li> <li><a href="/wiki/%EC%99%80%EC%A0%84%EB%A5%98" title="와전류">와전류</a></li> <li><a href="/wiki/%EB%A0%8C%EC%B8%A0%EC%9D%98_%EB%B2%95%EC%B9%99" title="렌츠의 법칙">렌츠의 법칙</a></li> <li><a href="/wiki/%EB%B3%80%EC%9C%84_%EC%A0%84%EB%A5%98" title="변위 전류">변위 전류</a></li> <li><a href="/wiki/%EB%A7%A5%EC%8A%A4%EC%9B%B0_%EB%B0%A9%EC%A0%95%EC%8B%9D" title="맥스웰 방정식">맥스웰 방정식</a></li> <li><a href="/wiki/%EC%A0%84%EC%9E%90%EA%B8%B0%EC%9E%A5" title="전자기장">전자기장</a></li> <li><a href="/wiki/%EB%A6%AC%EC%97%90%EB%82%98%EB%A5%B4-%EB%B9%84%ED%97%A4%EB%A5%B4%ED%8A%B8_%ED%8D%BC%ED%85%90%EC%85%9C" title="리에나르-비헤르트 퍼텐셜">리에나르-비헤르트 퍼텐셜</a></li> <li><a href="/wiki/%EB%A7%A5%EC%8A%A4%EC%9B%B0_%EB%B3%80%ED%98%95%EB%A0%A5_%ED%85%90%EC%84%9C" title="맥스웰 변형력 텐서">맥스웰 변형력 텐서</a></li> <li><a href="/wiki/%EB%92%A4%EC%B2%98%EC%A7%84_%ED%8D%BC%ED%85%90%EC%85%9C" title="뒤처진 퍼텐셜">뒤처진 퍼텐셜</a></li> <li><a href="/wiki/%EC%98%88%ED%94%BC%EB%A9%98%EC%BD%94_%EB%B0%A9%EC%A0%95%EC%8B%9D" title="예피멘코 방정식">예피멘코 방정식</a></li></ul> </div></div></div></td> </tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="color: var(--color-base)"><a href="/wiki/%EC%A0%84%EA%B8%B0_%ED%9A%8C%EB%A1%9C" title="전기 회로">전기 회로</a></div><div class="sidebar-list-content mw-collapsible-content"><div class="hlist"> <ul><li><a href="/wiki/%EC%A0%84%EA%B8%B0%EC%A0%80%ED%95%AD" title="전기저항">전기저항</a></li> <li><a href="/wiki/%EC%A0%84%EA%B8%B0%EC%9A%A9%EB%9F%89" class="mw-redirect" title="전기용량">전기용량</a></li> <li><a href="/wiki/%EC%A0%84%EB%8F%84%EC%9C%A8" class="mw-redirect" title="전도율">전도율</a></li> <li><a href="/wiki/%EC%9C%A0%EB%8F%84%EA%B3%84%EC%88%98" title="유도계수">유도계수</a></li> <li><a href="/wiki/%EC%98%A8%EC%A0%80%ED%95%AD" title="온저항">온저항</a></li> <li><a href="/wiki/%EB%B0%98%EC%9D%91%EC%A0%80%ED%95%AD" title="반응저항">반응저항</a></li> <li><a href="/wiki/%EC%96%B4%EB%93%9C%EB%AF%B8%ED%84%B4%EC%8A%A4" title="어드미턴스">어드미턴스</a></li> <li><a class="mw-selflink selflink">전력</a></li></ul> </div></div></div></td> </tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="color: var(--color-base)">공변 공식</div><div class="sidebar-list-content mw-collapsible-content"><div class="hlist"> <ul><li><a href="/wiki/%EC%A0%84%EC%9E%90%EA%B8%B0%EC%9E%A5_%ED%85%90%EC%84%9C" title="전자기장 텐서">전자기장 텐서</a></li> <li><a href="/wiki/4%EC%B0%A8%EC%9B%90_%EC%A0%84%EB%A5%98" class="mw-redirect" title="4차원 전류">4차원 전류</a></li> <li><a href="/wiki/%EC%A0%84%EC%9E%90%EA%B8%B0_%ED%8D%BC%ED%85%90%EC%85%9C" title="전자기 퍼텐셜">전자기 퍼텐셜</a></li></ul> </div></div></div></td> </tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="color: var(--color-base)">과학자</div><div class="sidebar-list-content mw-collapsible-content"><div class="hlist"> <ul><li><a href="/wiki/%EC%B9%B4%EB%A5%BC_%ED%94%84%EB%A6%AC%EB%93%9C%EB%A6%AC%ED%9E%88_%EA%B0%80%EC%9A%B0%EC%8A%A4" title="카를 프리드리히 가우스">가우스</a></li> <li><a href="/wiki/%EC%9C%8C%EB%A6%AC%EC%97%84_%EA%B8%B8%EB%B2%84%ED%8A%B8" title="윌리엄 길버트">길버트</a></li> <li><a href="/wiki/%ED%97%A8%EB%93%9C%EB%A6%AD_%EB%A1%9C%EB%9F%B0%EC%B8%A0" title="헨드릭 로런츠">로런츠</a></li> <li><a href="/wiki/%EC%A0%9C%EC%9E%84%EC%8A%A4_%ED%81%B4%EB%9F%AC%ED%81%AC_%EB%A7%A5%EC%8A%A4%EC%9B%B0" title="제임스 클러크 맥스웰">맥스웰</a></li> <li><a href="/wiki/%EB%B9%8C%ED%97%AC%EB%A6%84_%EC%97%90%EB%91%90%EC%95%84%EB%A5%B4%ED%8A%B8_%EB%B2%A0%EB%B2%84" title="빌헬름 에두아르트 베버">베버</a></li> <li><a href="/wiki/%EC%95%8C%EB%A0%88%EC%82%B0%EB%93%9C%EB%A1%9C_%EB%B3%BC%ED%83%80" title="알레산드로 볼타">볼타</a></li> <li><a href="/wiki/%EC%9E%A5%EB%B0%94%ED%8B%B0%EC%8A%A4%ED%8A%B8_%EB%B9%84%EC%98%A4" title="장바티스트 비오">비오</a></li> <li><a href="/wiki/%EC%95%99%EB%93%9C%EB%A0%88%EB%A7%88%EB%A6%AC_%EC%95%99%ED%8E%98%EB%A5%B4" title="앙드레마리 앙페르">앙페르</a></li> <li><a href="/wiki/%EA%B2%8C%EC%98%A4%EB%A5%B4%ED%81%AC_%EC%98%B4" title="게오르크 옴">옴</a></li> <li><a href="/wiki/%ED%95%9C%EC%8A%A4_%ED%81%AC%EB%A6%AC%EC%8A%A4%ED%8B%B0%EC%95%88_%EC%99%B8%EB%A5%B4%EC%8A%A4%ED%85%8C%EB%93%9C" title="한스 크리스티안 외르스테드">외르스테드</a></li> <li><a href="/wiki/%EC%83%A4%EB%A5%BC_%EB%93%9C_%EC%BF%A8%EB%A1%B1" title="샤를 드 쿨롱">쿨롱</a></li> <li><a href="/wiki/%EA%B5%AC%EC%8A%A4%ED%83%80%ED%94%84_%ED%82%A4%EB%A5%B4%ED%9E%88%ED%98%B8%ED%94%84" title="구스타프 키르히호프">키르히호프</a></li> <li><a href="/wiki/%EB%8B%88%EC%BD%9C%EB%9D%BC_%ED%85%8C%EC%8A%AC%EB%9D%BC" title="니콜라 테슬라">테슬라</a></li> <li><a href="/wiki/%EB%A7%88%EC%9D%B4%ED%81%B4_%ED%8C%A8%EB%9F%AC%EB%8D%B0%EC%9D%B4" title="마이클 패러데이">패러데이</a></li> <li><a href="/w/index.php?title=%EC%A1%B4_%ED%97%A8%EB%A6%AC_%ED%8F%AC%EC%9D%B8%ED%8C%85&action=edit&redlink=1" class="new" title="존 헨리 포인팅 (없는 문서)">포인팅</a></li> <li><a href="/wiki/%ED%95%98%EC%9D%B8%EB%A6%AC%ED%9E%88_%ED%97%A4%EB%A5%B4%EC%B8%A0" class="mw-redirect" title="하인리히 헤르츠">헤르츠</a></li> <li><a href="/wiki/%EC%98%AC%EB%A6%AC%EB%B2%84_%ED%97%A4%EB%B9%84%EC%82%AC%EC%9D%B4%EB%93%9C" title="올리버 헤비사이드">헤비사이드</a></li> <li><a href="/wiki/%EC%A1%B0%EC%A7%80%ED%94%84_%ED%97%A8%EB%A6%AC" title="조지프 헨리">헨리</a></li></ul> </div></div></div></td> </tr><tr><td class="sidebar-navbar"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r36480591"><style data-mw-deduplicate="TemplateStyles:r38585741">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-보기"><a href="/wiki/%ED%8B%80:%EC%A0%84%EC%9E%90%EA%B8%B0%ED%95%99" title="틀:전자기학"><abbr title="이 틀을 보기">v</abbr></a></li><li class="nv-토론"><a href="/wiki/%ED%8B%80%ED%86%A0%EB%A1%A0:%EC%A0%84%EC%9E%90%EA%B8%B0%ED%95%99" title="틀토론:전자기학"><abbr title="이 틀에 관해 토론하기">t</abbr></a></li><li class="nv-편집"><a href="/wiki/%ED%8A%B9%EC%88%98:%EB%AC%B8%EC%84%9C%ED%8E%B8%EC%A7%91/%ED%8B%80:%EC%A0%84%EC%9E%90%EA%B8%B0%ED%95%99" title="특수:문서편집/틀:전자기학"><abbr title="이 틀을 편집하기">e</abbr></a></li></ul></div></td></tr></tbody></table> <p><b>전력</b>(電力, electric power)은 일반적으로 <a href="/wiki/%EC%A0%84%EB%A0%A5%EB%9F%89" title="전력량">전기에너지</a>가 <a href="/wiki/%EC%9D%BC_(%EB%AC%BC%EB%A6%AC%ED%95%99)" title="일 (물리학)">일</a>을 할 수 있는 능력을 말하며, 작동적 정의는 단위 시간당 <a href="/wiki/%EC%A0%84%EB%A5%98" title="전류">전류</a>, 또는 단위 시간당 전달되거나 변환된 전기 에너지에 의해 수행되는 일의 양이다.<sup id="cite_ref-전자기술연구회_1-0" class="reference"><a href="#cite_note-전자기술연구회-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> 전기설비의 전력소비능력(전기에너지를 얼마나 빨리 소비하는지를 나타내는 물리량), 발전설비의 발전용량, 송변전설비의 송전능력 등을 표현하는데 사용할 수 있다. 전력은 P로 표시되고, 전력의 단위는 <a href="/wiki/%EC%99%80%ED%8A%B8" title="와트">와트</a>(Watt)이며 W로 표시된다. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="정의"><span id=".EC.A0.95.EC.9D.98"></span>정의</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EC%A0%84%EB%A0%A5&action=edit&section=1" title="부분 편집: 정의"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/%ED%8C%8C%EC%9D%BC:Ohm%27s_Law_with_Voltage_source_TeX.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b4/Ohm%27s_Law_with_Voltage_source_TeX.svg/220px-Ohm%27s_Law_with_Voltage_source_TeX.svg.png" decoding="async" width="220" height="144" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b4/Ohm%27s_Law_with_Voltage_source_TeX.svg/330px-Ohm%27s_Law_with_Voltage_source_TeX.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b4/Ohm%27s_Law_with_Voltage_source_TeX.svg/440px-Ohm%27s_Law_with_Voltage_source_TeX.svg.png 2x" data-file-width="302" data-file-height="198" /></a><figcaption>간단한 전기회로. <br /> <b>v</b>: <a href="/wiki/%EC%A0%84%EC%9B%90" class="mw-redirect" title="전원">전원</a>, <b>i</b>: 전류, <b>R</b>: 저항</figcaption></figure> <p>전기 회로에서 전력은 전류와 <a href="/wiki/%EC%A0%84%EA%B8%B0%EC%A0%80%ED%95%AD" title="전기저항">전기저항</a> 사이의 관계에 의해 정의된다. 그림과 같은 단순한 전기 회로에서 전기저항 R은 전류를 소비하면서 열을 발생시킨다.<sup id="cite_ref-Raymond_643_2-0" class="reference"><a href="#cite_note-Raymond_643-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>1840년 영국의 물리학자 <a href="/wiki/%EC%A0%9C%EC%9E%84%EC%8A%A4_%ED%94%84%EB%A0%88%EC%8A%A4%EC%BD%A7_%EC%A4%84" title="제임스 프레스콧 줄">제임스 프레스콜 줄</a>은 전기 회로에서 저항에 의해 발생하는 열량이 다음과 같은 관계를 이룬다는 것을 발견하였다. 이를 <b>줄의 법칙</b> 이라고 한다.<sup id="cite_ref-전자기술연구회_1-1" class="reference"><a href="#cite_note-전자기술연구회-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle Q=I^{2}Rt}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>Q</mi> <mo>=</mo> <msup> <mi>I</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mi>R</mi> <mi>t</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle Q=I^{2}Rt}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/9e4c13e9a706856816cc5ba9fbd90cc2af3e2dcb" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:9.811ex; height:3.009ex;" alt="{\displaystyle Q=I^{2}Rt}"></span></dd> <dd><small>(Q: 열량[J], I: 전류의 세기[A], R: 도체의 전기저항[Ω], t: 전류가 흐르는 시간[s])</small></dd></dl> <p>전기 회로의 저항에서 열이 발생하는 까닭은 저항을 통과하는 전자들이 저항 내의 원자들과 충돌하면서 <a href="/wiki/%EC%A0%84%EA%B8%B0%EC%A0%81_%EC%9C%84%EC%B9%98_%EC%97%90%EB%84%88%EC%A7%80" title="전기적 위치 에너지">전기적 위치 에너지</a>를 잃기 때문이다. 전자들이 잃은 에너지는 저항 내에 있는 원자들의 진동 에너지로 전환되고, 그 결과 열이 발생한다.<sup id="cite_ref-Raymond_643_2-1" class="reference"><a href="#cite_note-Raymond_643-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> 이렇게 발생하는 열을 줄열이라고 하고 그러한 변환을 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle I^{2}R}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msup> <mi>I</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mi>R</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle I^{2}R}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/b90e31bc6a3527ab59d39ca9e1e9134f744f46b0" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:4.035ex; height:2.676ex;" alt="{\displaystyle I^{2}R}"></span> 손실이라고 한다.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> 전력은 전기 회로 전체가 소비하는 단위 시간당 줄열 발생량이라 할 수 있다. </p><p>한편, <a href="/wiki/%EC%A0%84%EC%95%95" title="전압">전압</a>은 전류와 저항의 곱으로 나타낼 수 있으므로 위 식은 아래와 같이 간단히 할 수 있다.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle P=VI}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>P</mi> <mo>=</mo> <mi>V</mi> <mi>I</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle P=VI}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/aa3aacd1ada6c7240b84f4d06f00643795747664" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:7.803ex; height:2.176ex;" alt="{\displaystyle P=VI}"></span></dd> <dd><small>P: 전력, V: 전압, I: 전류</small></dd></dl> <p>따라서 전력은 전압과 전류의 곱으로 나타낼 수 있다. </p> <div class="mw-heading mw-heading2"><h2 id="구분"><span id=".EA.B5.AC.EB.B6.84"></span>구분</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EC%A0%84%EB%A0%A5&action=edit&section=2" title="부분 편집: 구분"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>일정한 방향으로 계속하여 흐르는 전류를 <a href="/wiki/%EC%A7%81%EB%A5%98" title="직류">직류</a>라고 하고, 주기적으로 전류의 방향이 바뀌는 전류를 <a href="/wiki/%EA%B5%90%EB%A5%98" title="교류">교류</a>라고 한다. 전기 회로에서 저항으로 작용하는 구성 요소인 <a href="/w/index.php?title=%EC%A0%84%EA%B8%B0_%EB%B6%80%ED%95%98&action=edit&redlink=1" class="new" title="전기 부하 (없는 문서)">전기 부하</a>는 직류와 교류에서 서로 다르게 작용하기 때문에 전력 역시 직류 전력과 교류 전력의 계산 방식이 다르다.<sup id="cite_ref-이기영_476477_5-0" class="reference"><a href="#cite_note-이기영_476477-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p><p>한편, <a href="/wiki/%EA%B5%90%EB%A5%98_%EC%A0%84%EB%A0%A5" title="교류 전력">교류 전력</a>의 경우 <a href="/wiki/%ED%8C%8C%EB%8F%99" title="파동">파동</a>의 성질을 지니기 때문에 <a href="/wiki/%EC%9C%84%EC%83%81" title="위상">위상</a>에 따른 성질을 지닌다. </p> <div class="mw-heading mw-heading2"><h2 id="직류_전력"><span id=".EC.A7.81.EB.A5.98_.EC.A0.84.EB.A0.A5"></span>직류 전력</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EC%A0%84%EB%A0%A5&action=edit&section=3" title="부분 편집: 직류 전력"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>직류 전력의 계산은 전력의 정의에서와 같이 간단히 <a href="/wiki/%EA%B8%B0%EC%A0%84%EB%A0%A5" title="기전력">기전력</a>을 일으키는 전압과 전류의 양으로 계산할 수 있다. 예를 들어 어떤 전기 회로에 1.5V의 전압으로 300 mA의 전류가 흐른다면 전력은 0.45 W 가 될 것이다. 전기 회로에 여러 전기 부하가 직렬 또는 병렬로 연결되면 전체 전력은 각 부분 부하가 소비하는 전력의 합과 같다.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle P_{t}=P_{1}+P_{2}+\cdots +P_{n}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>t</mi> </mrow> </msub> <mo>=</mo> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>+</mo> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>+</mo> <mo>⋯</mo> <mo>+</mo> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>n</mi> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle P_{t}=P_{1}+P_{2}+\cdots +P_{n}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f2cc232d9f3c73f03b941a6370af3ebdf7106277" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:24.465ex; height:2.509ex;" alt="{\displaystyle P_{t}=P_{1}+P_{2}+\cdots +P_{n}}"></span></dd></dl> <div class="mw-heading mw-heading2"><h2 id="교류_전력"><span id=".EA.B5.90.EB.A5.98_.EC.A0.84.EB.A0.A5"></span>교류 전력</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EC%A0%84%EB%A0%A5&action=edit&section=4" title="부분 편집: 교류 전력"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r34311305">.mw-parser-output .hatnote{}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}</style><div role="note" class="hatnote navigation-not-searchable"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/18px-Icons8_flat_search.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/27px-Icons8_flat_search.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/36px-Icons8_flat_search.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span> 이 부분의 본문은 <a href="/wiki/%EA%B5%90%EB%A5%98_%EC%A0%84%EB%A0%A5" title="교류 전력">교류 전력</a>입니다.</div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/%ED%8C%8C%EC%9D%BC:Sine_wave_2.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Sine_wave_2.svg/220px-Sine_wave_2.svg.png" decoding="async" width="220" height="140" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Sine_wave_2.svg/330px-Sine_wave_2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Sine_wave_2.svg/440px-Sine_wave_2.svg.png 2x" data-file-width="520" data-file-height="332" /></a><figcaption>일반적인 교류는 사인파의 형태를 띈다.</figcaption></figure> <p>교류의 경우엔 계산이 몹시 복잡해진다. 교류는 <a href="/wiki/%ED%8C%A8%EB%9F%AC%EB%8D%B0%EC%9D%B4_%EC%A0%84%EC%9E%90%EA%B8%B0_%EC%9C%A0%EB%8F%84_%EB%B2%95%EC%B9%99" title="패러데이 전자기 유도 법칙">패러데이 전자기 유도 법칙</a>에 따라 생성되어 일정한 주기를 갖고 방향을 바꾸는<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> <a href="/wiki/%ED%8C%8C%EB%8F%99" title="파동">파동</a> 에너지이다. 발전원에 따라 다양한 파형이 있을 수 있으나 안정적인 에너지원으로 쓰이기 위해 일반적으로 사용되는 전원은 <a href="/wiki/%EC%82%AC%EC%9D%B8%ED%8C%8C" title="사인파">사인파</a>의 형태를 띈다.<sup id="cite_ref-최윤식_8-0" class="reference"><a href="#cite_note-최윤식-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> 교류의 주기는 보통 50 <a href="/wiki/%ED%97%A4%EB%A5%B4%EC%B8%A0" title="헤르츠">Hz</a> 또는 60 Hz가 쓰이며, 대한민국의 경우 60Hz이다.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p><p>교류의 전압과 전류는 아래의 식과 같이 나타낼 수 있다.<sup id="cite_ref-최윤식_8-1" class="reference"><a href="#cite_note-최윤식-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle V(t)=V_{m}cos(\omega t+\theta _{v})}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>V</mi> <mo stretchy="false">(</mo> <mi>t</mi> <mo stretchy="false">)</mo> <mo>=</mo> <msub> <mi>V</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>m</mi> </mrow> </msub> <mi>c</mi> <mi>o</mi> <mi>s</mi> <mo stretchy="false">(</mo> <mi>ω</mi> <mi>t</mi> <mo>+</mo> <msub> <mi>θ</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>v</mi> </mrow> </msub> <mo stretchy="false">)</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle V(t)=V_{m}cos(\omega t+\theta _{v})}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/280370623d01155f44357d564fb23febad87eba2" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:22.845ex; height:2.843ex;" alt="{\displaystyle V(t)=V_{m}cos(\omega t+\theta _{v})}"></span></dd> <dd><small>V(t): 순간 전압, V<sub>m</sub>: 최대 전압, <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \omega t}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>ω</mi> <mi>t</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \omega t}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/91d56a42c4f105a4d6bec25709204125693b0ef5" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:2.285ex; height:2.009ex;" alt="{\displaystyle \omega t}"></span>: 위상, Θ<sub>t</sub>: 전압의 순간 변위</small></dd> <dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle i(t)=I_{m}cos(\omega t+\theta _{i})}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>i</mi> <mo stretchy="false">(</mo> <mi>t</mi> <mo stretchy="false">)</mo> <mo>=</mo> <msub> <mi>I</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>m</mi> </mrow> </msub> <mi>c</mi> <mi>o</mi> <mi>s</mi> <mo stretchy="false">(</mo> <mi>ω</mi> <mi>t</mi> <mo>+</mo> <msub> <mi>θ</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>i</mi> </mrow> </msub> <mo stretchy="false">)</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle i(t)=I_{m}cos(\omega t+\theta _{i})}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/a05d6176b11ba727cc6c4532c575fd3a40fb179b" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:21.298ex; height:2.843ex;" alt="{\displaystyle i(t)=I_{m}cos(\omega t+\theta _{i})}"></span></dd> <dd><small>i(t): 순간 전류, I<sub>m</sub>: 최대 전류, <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \omega t}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>ω</mi> <mi>t</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \omega t}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/91d56a42c4f105a4d6bec25709204125693b0ef5" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:2.285ex; height:2.009ex;" alt="{\displaystyle \omega t}"></span>: 위상, Θ<sub>i</sub>: 전류의 순간 변위</small></dd></dl> <p>따라서 특정 순간의 전력은 아래와 같이 나타낼 수 있다.<sup id="cite_ref-최윤식_8-2" class="reference"><a href="#cite_note-최윤식-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle P(t)=V(t)\cdot I(t)}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>P</mi> <mo stretchy="false">(</mo> <mi>t</mi> <mo stretchy="false">)</mo> <mo>=</mo> <mi>V</mi> <mo stretchy="false">(</mo> <mi>t</mi> <mo stretchy="false">)</mo> <mo>⋅</mo> <mi>I</mi> <mo stretchy="false">(</mo> <mi>t</mi> <mo stretchy="false">)</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle P(t)=V(t)\cdot I(t)}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/4aa7e99ceacfd760022235b2f7e86179ff582938" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:17.429ex; height:2.843ex;" alt="{\displaystyle P(t)=V(t)\cdot I(t)}"></span> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle =V_{m}cos(\omega t+\theta _{v})\cdot I_{m}cos(\omega t+\theta _{i})}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo>=</mo> <msub> <mi>V</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>m</mi> </mrow> </msub> <mi>c</mi> <mi>o</mi> <mi>s</mi> <mo stretchy="false">(</mo> <mi>ω</mi> <mi>t</mi> <mo>+</mo> <msub> <mi>θ</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>v</mi> </mrow> </msub> <mo stretchy="false">)</mo> <mo>⋅</mo> <msub> <mi>I</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>m</mi> </mrow> </msub> <mi>c</mi> <mi>o</mi> <mi>s</mi> <mo stretchy="false">(</mo> <mi>ω</mi> <mi>t</mi> <mo>+</mo> <msub> <mi>θ</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>i</mi> </mrow> </msub> <mo stretchy="false">)</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle =V_{m}cos(\omega t+\theta _{v})\cdot I_{m}cos(\omega t+\theta _{i})}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/13aa40a20f9a55edc546c91cc4bd0ae516aac81a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:34.191ex; height:2.843ex;" alt="{\displaystyle =V_{m}cos(\omega t+\theta _{v})\cdot I_{m}cos(\omega t+\theta _{i})}"></span></dd> <dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle ={\frac {V_{m}I_{m}}{2}}cos(\theta _{v}-\theta _{i})+{\frac {V_{m}I_{m}}{2}}cos(2\omega t+\theta _{v}+\theta _{i})}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <msub> <mi>V</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>m</mi> </mrow> </msub> <msub> <mi>I</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>m</mi> </mrow> </msub> </mrow> <mn>2</mn> </mfrac> </mrow> <mi>c</mi> <mi>o</mi> <mi>s</mi> <mo stretchy="false">(</mo> <msub> <mi>θ</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>v</mi> </mrow> </msub> <mo>−</mo> <msub> <mi>θ</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>i</mi> </mrow> </msub> <mo stretchy="false">)</mo> <mo>+</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <msub> <mi>V</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>m</mi> </mrow> </msub> <msub> <mi>I</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>m</mi> </mrow> </msub> </mrow> <mn>2</mn> </mfrac> </mrow> <mi>c</mi> <mi>o</mi> <mi>s</mi> <mo stretchy="false">(</mo> <mn>2</mn> <mi>ω</mi> <mi>t</mi> <mo>+</mo> <msub> <mi>θ</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>v</mi> </mrow> </msub> <mo>+</mo> <msub> <mi>θ</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>i</mi> </mrow> </msub> <mo stretchy="false">)</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle ={\frac {V_{m}I_{m}}{2}}cos(\theta _{v}-\theta _{i})+{\frac {V_{m}I_{m}}{2}}cos(2\omega t+\theta _{v}+\theta _{i})}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/102224311ac5ea7f7b99cccb4cdf23aa2986b31d" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.838ex; width:48.481ex; height:5.176ex;" alt="{\displaystyle ={\frac {V_{m}I_{m}}{2}}cos(\theta _{v}-\theta _{i})+{\frac {V_{m}I_{m}}{2}}cos(2\omega t+\theta _{v}+\theta _{i})}"></span></dd></dl></dd></dl> <p>일반적인 공급 전원은 동상(同相, in phase)이므로 전압과 전류의 위상과 순간 변위는 같다고 간주하여 계산할 수 있다.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> 위의 교류 전력식 P(t)는 일정한 주기를 갖는 주기 함수이다.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> 교류 전력은 일정한 주기를 갖기 때문에 주기를 단위로 하여 합하면 상쇄되어 0 이 되어 버리고 만다. 그러나 매 시각의 전력은 분명 0 이 아니기 때문에 실제 줄열을 발생시키는 유효 전력을 계산할 필요가 있다. 전기 회로 이론에서는 <a href="/wiki/%EC%A1%B0%ED%99%94_%ED%95%A8%EC%88%98" title="조화 함수">조화 함수</a>를 사용하여 <a href="/wiki/%EC%A0%9C%EA%B3%B1%ED%8F%89%EA%B7%A0%EC%A0%9C%EA%B3%B1%EA%B7%BC" title="제곱평균제곱근">제곱평균제곱근</a>의 양으로 전압과 전류의 <a href="/wiki/%EC%8B%A4%ED%9A%A8%EA%B0%92" title="실효값">실효값</a>를 계산하고 이를 통해 유효 전력을 나타낸다.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p><p>교류 전력을 사용하는 전기 회로에서 부하를 통과하는 전류는 부하의 특성에 따라 전압과 전류의 위상에 차이가 생기게 된다.<sup id="cite_ref-전자기술연구회_73_13-0" class="reference"><a href="#cite_note-전자기술연구회_73-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> 이 때문에 교류 전기 회로의 전력은 <a href="/wiki/%EC%A0%84%EA%B8%B0%EC%A0%80%ED%95%AD" title="전기저항">전기저항</a>(Resistance), <a href="/wiki/%EC%9C%A0%EB%8F%84%EA%B3%84%EC%88%98" title="유도계수">유도용량</a>(Inductance), <a href="/wiki/%EC%A0%84%EA%B8%B0%EC%9A%A9%EB%9F%89" class="mw-redirect" title="전기용량">정전용량</a>(Capacitance)<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup>에 대하여 따로 계산되기도 한다.<sup id="cite_ref-전자기술연구회_73_13-1" class="reference"><a href="#cite_note-전자기술연구회_73-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> 전류가 각각의 부하를 통과할 때 줄열을 발생시키는 유효 전력은 저항 성분에서만 발생하고 <a href="/wiki/%EC%9C%A0%EB%8F%84%EC%9E%90" title="유도자">유도자</a>나 <a href="/wiki/%EC%B6%95%EC%A0%84%EA%B8%B0" title="축전기">축전기</a>에서는 발생하지 않는다.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/%ED%8C%8C%EC%9D%BC:Cmplxpower.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Cmplxpower.svg/220px-Cmplxpower.svg.png" decoding="async" width="220" height="138" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Cmplxpower.svg/330px-Cmplxpower.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Cmplxpower.svg/440px-Cmplxpower.svg.png 2x" data-file-width="793" data-file-height="499" /></a><figcaption>교류 전력 삼각형 <br /> <b>P</b>: 유효 전력 <br /> <b>Q</b>: 무효 전력 <br /> <b>S</b>: 복소 전력 <br /> <b>φ</b>: 전류에 대한 전압의 위상</figcaption></figure> <p>교류의 전체 전력은 조화 함수를 이용하여 아래와 같이 나타낸다.<sup id="cite_ref-최윤식_327_16-0" class="reference"><a href="#cite_note-최윤식_327-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle S=P+jQ}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>S</mi> <mo>=</mo> <mi>P</mi> <mo>+</mo> <mi>j</mi> <mi>Q</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle S=P+jQ}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e2344a6b29d8b81f396b8904fe49114810f5cdaa" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:11.98ex; height:2.509ex;" alt="{\displaystyle S=P+jQ}"></span></dd> <dd><small><b>S</b>: 복소전력, <b>P</b>: 유효전력, <b>j</b>: <a href="/wiki/%ED%97%88%EC%88%98_%EB%8B%A8%EC%9C%84" title="허수 단위">허수 단위</a>, <b>Q</b>: 무효전력</small></dd></dl> <p>저항 성분을 통해 발생하는 유효 전력과 달리 유도계수나 전기용량에 의해 소모되는 전력은 빛이나 열을 발생시키지 않기 때문에 무효 전력이라고 부른다. 그러나 무효 전력도 실제 전력 변화에는 관여하기 때문에 유효 전력은 전체 복소 전력의 절대값인 피상 전력을 포함하여 계산하게 된다. 교류 전력 삼각형은 복소 전력과 유효 전력, 무효 전력 간의 관계를 나타낸다.<sup id="cite_ref-최윤식_327_16-1" class="reference"><a href="#cite_note-최윤식_327-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle P=|S|cos\theta }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>P</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mo stretchy="false">|</mo> </mrow> <mi>S</mi> <mrow class="MJX-TeXAtom-ORD"> <mo stretchy="false">|</mo> </mrow> <mi>c</mi> <mi>o</mi> <mi>s</mi> <mi>θ</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle P=|S|cos\theta }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f373c77c1f17341dc2759f2917994793476a1177" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:11.952ex; height:2.843ex;" alt="{\displaystyle P=|S|cos\theta }"></span></dd> <dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle Q=|S|sin\theta }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>Q</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mo stretchy="false">|</mo> </mrow> <mi>S</mi> <mrow class="MJX-TeXAtom-ORD"> <mo stretchy="false">|</mo> </mrow> <mi>s</mi> <mi>i</mi> <mi>n</mi> <mi>θ</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle Q=|S|sin\theta }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/eb6d2ca73c77dcde27bccb352cd7ff0bedcd59d5" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:12.108ex; height:2.843ex;" alt="{\displaystyle Q=|S|sin\theta }"></span></dd></dl> <div class="mw-heading mw-heading3"><h3 id="역률_개선"><span id=".EC.97.AD.EB.A5.A0_.EA.B0.9C.EC.84.A0"></span>역률 개선</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EC%A0%84%EB%A0%A5&action=edit&section=5" title="부분 편집: 역률 개선"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>교류 전력에서 실제 부하에 사용되는 전력은 유효 전력이고 무효 전력은 별다른 일을 하지 않는다. 따라서 전력을 효율적으로 사용하기 위해서는 유효 전력을 높이고 무효 전력을 낮추어야 한다. 위 식에서 보면 유효 전력과 무효 전력의 위상이 0 이 될 때 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle cos0=1,sin0=0}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>c</mi> <mi>o</mi> <mi>s</mi> <mn>0</mn> <mo>=</mo> <mn>1</mn> <mo>,</mo> <mi>s</mi> <mi>i</mi> <mi>n</mi> <mn>0</mn> <mo>=</mo> <mn>0</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle cos0=1,sin0=0}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/a79cea7c9f60aab56349cc4e0a53ec2f227bcb07" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:18.393ex; height:2.509ex;" alt="{\displaystyle cos0=1,sin0=0}"></span>가 되어 유효 전력은 100% 사용하고 무효 전력은 0 %로 낮추는 이상적인 상태가 됨을 알 수 있다. 그러나 실제 전기회로에서는 이와 같은 이상적인 상태는 불가능하므로 최대한 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle cos\theta }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>c</mi> <mi>o</mi> <mi>s</mi> <mi>θ</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle cos\theta }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/7cae435f472fbf88817a02407d9054206bf7d560" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:4.315ex; height:2.176ex;" alt="{\displaystyle cos\theta }"></span>의 값이 1에 가깝게 되도록 노력한다. 이때 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle cos\theta }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>c</mi> <mi>o</mi> <mi>s</mi> <mi>θ</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle cos\theta }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/7cae435f472fbf88817a02407d9054206bf7d560" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:4.315ex; height:2.176ex;" alt="{\displaystyle cos\theta }"></span>를 역률이라고 하고 이 값을 크게 하려는 활동을 역률 개선이라고 한다.<sup id="cite_ref-최윤식_327_16-2" class="reference"><a href="#cite_note-최윤식_327-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="단상_전력과_삼상_전력"><span id=".EB.8B.A8.EC.83.81_.EC.A0.84.EB.A0.A5.EA.B3.BC_.EC.82.BC.EC.83.81_.EC.A0.84.EB.A0.A5"></span>단상 전력과 삼상 전력</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EC%A0%84%EB%A0%A5&action=edit&section=6" title="부분 편집: 단상 전력과 삼상 전력"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/%ED%8C%8C%EC%9D%BC:Hawkins_Electrical_Guide_-_3phase_Elementary_6wire.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d0/Hawkins_Electrical_Guide_-_3phase_Elementary_6wire.jpg/220px-Hawkins_Electrical_Guide_-_3phase_Elementary_6wire.jpg" decoding="async" width="220" height="149" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d0/Hawkins_Electrical_Guide_-_3phase_Elementary_6wire.jpg/330px-Hawkins_Electrical_Guide_-_3phase_Elementary_6wire.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d0/Hawkins_Electrical_Guide_-_3phase_Elementary_6wire.jpg/440px-Hawkins_Electrical_Guide_-_3phase_Elementary_6wire.jpg 2x" data-file-width="2456" data-file-height="1658" /></a><figcaption>삼상교류의 발생. 자석 안쪽에 세 축으로 나뉜 전선이 회전하여 삼상 유도 전류를 만드는 것을 설명하는 그림</figcaption></figure> <p>교류는 위상을 가지므로 상의 수에 따라 <a href="/wiki/%EB%8B%A8%EC%83%81%EC%A0%84%EB%A0%A5" class="mw-redirect" title="단상전력">단상전력</a>과 <a href="/wiki/3%EC%83%81%EC%A0%84%EB%A0%A5" title="3상전력">3상전력</a>으로 나뉜다. 상이 하나인 것은 단상, 셋인 것은 삼상이라고 부른다. 삼상은 단상 교류 셋을 위상을 달리하여 결합한 것이다.<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> </p><p>단상전력은 위에서 설명한 일반적인 전력 관계식을 따른다. </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle P=IV}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>P</mi> <mo>=</mo> <mi>I</mi> <mi>V</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle P=IV}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/953fe98b7840c8418a2562315ee2c550f3712f8a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:7.803ex; height:2.176ex;" alt="{\displaystyle P=IV}"></span> (에너지 전송의 비율)</dd> <dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle P=I^{2}R}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>P</mi> <mo>=</mo> <msup> <mi>I</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mi>R</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle P=I^{2}R}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/c7bed4a958579256904b5a8728616b2100c1d8f5" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:8.879ex; height:2.676ex;" alt="{\displaystyle P=I^{2}R}"></span> (저항으로 인한 손실)</dd> <dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle P={V^{2} \over R}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>P</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <msup> <mi>V</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mi>R</mi> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle P={V^{2} \over R}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/3f10c0ab35aa3eb9cafe6165f25d1bb69d5a79df" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.005ex; width:8.651ex; height:5.843ex;" alt="{\displaystyle P={V^{2} \over R}}"></span> (저항으로 인한 손실)</dd></dl> <p><br /> 삼상전력의 상전압 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle V_{p}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>V</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>p</mi> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle V_{p}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/b4f7059b11d4da978f72a794124be758e9ed2b85" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:2.414ex; height:2.843ex;" alt="{\displaystyle V_{p}}"></span> 과 선전압 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle V_{L}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>V</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>L</mi> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle V_{L}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/7205669000a5ab1b07d1f5dd0f9d475ec167ae1e" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:2.707ex; height:2.509ex;" alt="{\displaystyle V_{L}}"></span> 은 아래의 관계식을 따른다.<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle P=3V_{p}i={\sqrt {3}}V_{l}i}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>P</mi> <mo>=</mo> <mn>3</mn> <msub> <mi>V</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>p</mi> </mrow> </msub> <mi>i</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <msqrt> <mn>3</mn> </msqrt> </mrow> <msub> <mi>V</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>l</mi> </mrow> </msub> <mi>i</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle P=3V_{p}i={\sqrt {3}}V_{l}i}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/a0004ca549ebd1f3f1ef46de6b47b70480c15a14" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:18.3ex; height:3.176ex;" alt="{\displaystyle P=3V_{p}i={\sqrt {3}}V_{l}i}"></span></dd></dl> <p>삼상전력은 순간 전력 총합이 언제나 일정하기 때문에 <a href="/wiki/%EC%A0%84%EB%8F%99%EA%B8%B0" title="전동기">전동기</a>를 가동할 때 일정한 전력을 계속하여 공급할 수 있는 이점이 있다. 그러나 단상에 비해 전기 누설의 위험이 크므로 사용에 주의하여야 한다.<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> 삼상 전력은 <a href="/wiki/%EC%A0%84%EB%8F%99%EC%B0%A8" class="mw-redirect" title="전동차">전동차</a><sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup>나 대형 <a href="/wiki/%EC%97%90%EC%96%B4%EC%BB%A8" title="에어컨">에어컨</a><sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup>과 같이 전동기를 계속하여 사용하는 기계에 일반적으로 사용된다. </p> <div class="mw-heading mw-heading2"><h2 id="사용"><span id=".EC.82.AC.EC.9A.A9"></span>사용</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EC%A0%84%EB%A0%A5&action=edit&section=7" title="부분 편집: 사용"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r34311305"><div role="note" class="hatnote navigation-not-searchable"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/18px-Icons8_flat_search.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/27px-Icons8_flat_search.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/36px-Icons8_flat_search.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span> <a href="/wiki/%EB%B0%9C%EC%A0%84_(%EC%A0%84%EA%B8%B0)" title="발전 (전기)">발전 (전기)</a> 및 <a href="/wiki/%EC%A0%84%EC%A7%80" title="전지">전지</a> 문서를 참고하십시오.</div> <p>전력은 전원을 통해 공급된다. 전원은 크게 보아 직류와 교류로 구분되며 <a href="/wiki/%EA%B0%80%EC%A0%84%EC%A0%9C%ED%92%88" title="가전제품">가전제품</a>이나 <a href="/wiki/%EC%A0%84%EC%9E%90%EC%A0%9C%ED%92%88" class="mw-redirect" title="전자제품">전자제품</a>은 대부분 직류로 작동된다. 그러나 직류를 발전하여 한 지역에 공급하는 것은 매우 비효율적이기 때문에<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> 대규모 전력 공급은 교류로 제공되며 각각의 전기 기기는 <a href="/wiki/%EC%A0%95%EB%A5%98%EA%B8%B0" title="정류기">정류기</a>를 이용하여 교류를 직류로 변환해 사용한다.<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> 교류를 계속하여 공급받을 수 없는 상태에서 사용하는 기기인 <a href="/wiki/%ED%9C%B4%EB%8C%80%EC%A0%84%ED%99%94" class="mw-redirect" title="휴대전화">휴대전화</a>와 같은 이동용 기기에는 <a href="/wiki/%EC%A0%84%EC%A7%80" title="전지">전지</a>가 사용된다. </p> <div class="mw-heading mw-heading3"><h3 id="송전선과_전력"><span id=".EC.86.A1.EC.A0.84.EC.84.A0.EA.B3.BC_.EC.A0.84.EB.A0.A5"></span>송전선과 전력</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EC%A0%84%EB%A0%A5&action=edit&section=8" title="부분 편집: 송전선과 전력"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r34311305"><div role="note" class="hatnote navigation-not-searchable"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/18px-Icons8_flat_search.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/27px-Icons8_flat_search.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/36px-Icons8_flat_search.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span> <a href="/wiki/%EC%86%A1%EC%A0%84" title="송전">송전</a> 문서를 참고하십시오.</div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/%ED%8C%8C%EC%9D%BC:NIGU_Strain_tower.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/84/NIGU_Strain_tower.JPG/220px-NIGU_Strain_tower.JPG" decoding="async" width="220" height="330" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/84/NIGU_Strain_tower.JPG/330px-NIGU_Strain_tower.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/84/NIGU_Strain_tower.JPG/440px-NIGU_Strain_tower.JPG 2x" data-file-width="3168" data-file-height="4752" /></a><figcaption>송전선</figcaption></figure> <p><a href="/wiki/%EB%B0%9C%EC%A0%84%EC%86%8C" title="발전소">발전소</a>에서 공급되는 전류는 <a href="/wiki/%EC%86%A1%EC%A0%84" title="송전">송전선</a>을 통해 소비자에게 전달된다. 송전선 역시 일정한 저항을 갖는 도체로 이루어져 있기 때문에 전기가 전달되는 동안 열을 발생시켜 전력 손실이 일어난다. 줄의 법칙에 따라 같은 전력을 전달할 때 전류와 저항은 반비례 관계에 놓인다. 따라서 송전선의 전력 손실을 최소화 하기 위해서는 되도록 전선의 저항을 낮추거나 전압을 올려야 한다. 전선의 저항을 낮추는 것은 기술적인 한계가 있기 때문에 전압을 올리는 쪽이 경제적이다. 발전소에서 고압의 전류를 송전하는 이유다.<sup id="cite_ref-Raymond_645_24-0" class="reference"><a href="#cite_note-Raymond_645-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> 어떤 경우에는 765 kV까지 전압을 올린 고압 전류를 송전한다.<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> 이렇게 전송된 전류는 도시나 공장과 같은 소비지 근처의 <a href="/wiki/%EB%B3%80%EC%A0%84%EC%86%8C" title="변전소">변전소</a>까지 전달되고, 이 곳의 <a href="/wiki/%EB%B3%80%EC%95%95%EA%B8%B0" title="변압기">변압기</a>를 통해 22.9 kV로 낮추어진 다음 다시 곳곳에 설치된 변압기를 거쳐 220 V 또는 380V 와 같은 사용 전압으로 낮춰져 쓰인다.<sup id="cite_ref-Raymond_645_24-1" class="reference"><a href="#cite_note-Raymond_645-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> 대한민국의 가정용 단상 교류 전압은 220V 이고<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup>, 일본이나 대만과 같은 나라에선 110V 가 가정용 소비 전압으로 제공된다.<sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> 사이리스터나 인버터 등 전력 전자공학이 발달한 현재는 손실이 적은 고압직류송전방식이 사용되는 구간이 있다. </p> <div class="mw-heading mw-heading2"><h2 id="같이_보기"><span id=".EA.B0.99.EC.9D.B4_.EB.B3.B4.EA.B8.B0"></span>같이 보기</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EC%A0%84%EB%A0%A5&action=edit&section=9" title="부분 편집: 같이 보기"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/%EC%A0%84%EB%A0%A5%EC%82%B0%EC%97%85" title="전력산업">전력산업</a></li> <li><a href="/wiki/%EC%A0%84%EB%A0%A5%EB%9F%89" title="전력량">전력량</a></li> <li><a href="/wiki/%EC%97%90%EB%84%88%EC%A7%80_%EA%B0%9C%EB%B0%9C" title="에너지 개발">에너지 개발</a></li> <li><a href="/wiki/%EB%B0%9C%EC%A0%84_(%EC%A0%84%EA%B8%B0)" title="발전 (전기)">발전 (전기)</a></li> <li><a href="/wiki/%EC%A0%84%EA%B8%B0" title="전기">전기</a></li> <li><a href="/wiki/%EC%A0%84%EC%95%95" title="전압">전압</a></li> <li><a href="/wiki/%EC%A0%84%EB%A5%98" title="전류">전류</a></li> <li><a href="/wiki/%EC%A0%84%EC%9B%90" class="mw-redirect" title="전원">전원</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="각주"><span id=".EA.B0.81.EC.A3.BC"></span>각주</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EC%A0%84%EB%A0%A5&action=edit&section=10" title="부분 편집: 각주"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r35556958">.mw-parser-output .reflist{font-size:90%;margin-bottom:0.5em;list-style-type:decimal}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-전자기술연구회-1"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-전자기술연구회_1-0">가</a></sup> <sup><a href="#cite_ref-전자기술연구회_1-1">나</a></sup></span> <span class="reference-text">전자기술연구회, 《초보의 전기전자 교본》, 기문사, 1988년, <style data-mw-deduplicate="TemplateStyles:r38117996">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-89-7723-038-5" title="특수:책찾기/978-89-7723-038-5">978-89-7723-038-5</a>, 22쪽</span> </li> <li id="cite_note-Raymond_643-2"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Raymond_643_2-0">가</a></sup> <sup><a href="#cite_ref-Raymond_643_2-1">나</a></sup></span> <span class="reference-text">Raymond A. Serway, John W. Jewett, 대학물리학교재편찬위원회, 《대학물리학 II》, 북스힐, 2011년, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38117996"><a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-89-5526-554-5" title="특수:책찾기/978-89-5526-554-5">978-89-5526-554-5</a>, 643쪽</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text">Raymond A. Serway, John W. Jewett, 대학물리학교재편찬위원회, 《대학물리학 II》, 북스힐, 2011년, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38117996"><a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-89-5526-554-5" title="특수:책찾기/978-89-5526-554-5">978-89-5526-554-5</a>, 644쪽</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text">이기영, 《대학물리학》, 한빛아카데미, 2011년, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38117996"><a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-89-7914-897-8" title="특수:책찾기/978-89-7914-897-8">978-89-7914-897-8</a>, 406쪽</span> </li> <li id="cite_note-이기영_476477-5"><span class="mw-cite-backlink"><a href="#cite_ref-이기영_476477_5-0">↑</a></span> <span class="reference-text">이기영, 《대학물리학》, 한빛아카데미, 2011년, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38117996"><a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-89-7914-897-8" title="특수:책찾기/978-89-7914-897-8">978-89-7914-897-8</a>, 476-477쪽</span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><a href="#cite_ref-6">↑</a></span> <span class="reference-text">Earl D. Gates, 강동욱 외 역, 《전기전자공학개론》, 홍릉과학출판사, 2003년, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38117996"><a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/89-7283-315-0" title="특수:책찾기/89-7283-315-0">89-7283-315-0</a>, 77쪽</span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><a href="#cite_ref-7">↑</a></span> <span class="reference-text">Hayt, William (1989). Engineering Electromagnetics (5th ed.). McGraw-Hill. p. 312. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38117996"><a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/0-07-027406-1" title="특수:책찾기/0-07-027406-1">0-07-027406-1</a>.</span> </li> <li id="cite_note-최윤식-8"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-최윤식_8-0">가</a></sup> <sup><a href="#cite_ref-최윤식_8-1">나</a></sup> <sup><a href="#cite_ref-최윤식_8-2">다</a></sup></span> <span class="reference-text">최윤식, 《기초 회로 이론》, 한빛미디어, 2011년, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38117996"><a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-89-7914-894-7" title="특수:책찾기/978-89-7914-894-7">978-89-7914-894-7</a>, 320쪽</span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><a href="#cite_ref-9">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.mykit.com/kor/ele/ac.htm">교류와 직류</a>, 마이키트</span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><a href="#cite_ref-10">↑</a></span> <span class="reference-text">교류에서 전압과 전류의 변화 주기가 같을 때 동상 관계에 있다고 한다 - Earl D. Gates, 강동욱 외 역, 《전기전자공학개론》, 홍릉과학출판사, 2003년, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38117996"><a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/89-7283-315-0" title="특수:책찾기/89-7283-315-0">89-7283-315-0</a>, 143쪽</span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><a href="#cite_ref-11">↑</a></span> <span class="reference-text">최윤식, 《기초 회로 이론》, 한빛미디어, 2011년, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38117996"><a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-89-7914-894-7" title="특수:책찾기/978-89-7914-894-7">978-89-7914-894-7</a>, 321쪽</span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><a href="#cite_ref-12">↑</a></span> <span class="reference-text">이기영, 《대학물리학》, 한빛아카데미, 2011년, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38117996"><a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-89-7914-897-8" title="특수:책찾기/978-89-7914-897-8">978-89-7914-897-8</a>, 477-478쪽</span> </li> <li id="cite_note-전자기술연구회_73-13"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-전자기술연구회_73_13-0">가</a></sup> <sup><a href="#cite_ref-전자기술연구회_73_13-1">나</a></sup></span> <span class="reference-text">전자기술연구회, 《초보의 전기전자 교본》, 기문사, 1988년, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38117996"><a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-89-7723-038-5" title="특수:책찾기/978-89-7723-038-5">978-89-7723-038-5</a>, 73쪽</span> </li> <li id="cite_note-14"><span class="mw-cite-backlink"><a href="#cite_ref-14">↑</a></span> <span class="reference-text">이 셋을 합하여 흔히 RLC라고 한다. 전기 회로의 기본 구성 요소이다. - 이태원, 《일러스트로 보는 기초전기전자》, 한진, 2013년, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38117996"><a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-89-8641-254-3" title="특수:책찾기/978-89-8641-254-3">978-89-8641-254-3</a>, 188-189쪽</span> </li> <li id="cite_note-15"><span class="mw-cite-backlink"><a href="#cite_ref-15">↑</a></span> <span class="reference-text">최윤식, 《기초 회로 이론》, 한빛미디어, 2011년, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38117996"><a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-89-7914-894-7" title="특수:책찾기/978-89-7914-894-7">978-89-7914-894-7</a>, 321-322쪽</span> </li> <li id="cite_note-최윤식_327-16"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-최윤식_327_16-0">가</a></sup> <sup><a href="#cite_ref-최윤식_327_16-1">나</a></sup> <sup><a href="#cite_ref-최윤식_327_16-2">다</a></sup></span> <span class="reference-text">최윤식, 《기초 회로 이론》, 한빛미디어, 2011년, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38117996"><a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-89-7914-894-7" title="특수:책찾기/978-89-7914-894-7">978-89-7914-894-7</a>, 327 - 328쪽</span> </li> <li id="cite_note-17"><span class="mw-cite-backlink"><a href="#cite_ref-17">↑</a></span> <span class="reference-text">신현승 외, 《자동차전기》, 골든벨, 2003년, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38117996"><a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-89-7971-443-2" title="특수:책찾기/978-89-7971-443-2">978-89-7971-443-2</a>, 223-224쪽</span> </li> <li id="cite_note-18"><span class="mw-cite-backlink"><a href="#cite_ref-18">↑</a></span> <span class="reference-text">최충석 김진수, 《소방 전기회로》, 동화기술, 2008년, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38117996"><a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-89-4251-351-2" title="특수:책찾기/978-89-4251-351-2">978-89-4251-351-2</a>, 271-272쪽</span> </li> <li id="cite_note-19"><span class="mw-cite-backlink"><a href="#cite_ref-19">↑</a></span> <span class="reference-text">최충석 김진수, 《소방 전기회로》, 동화기술, 2008년, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38117996"><a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-89-4251-351-2" title="특수:책찾기/978-89-4251-351-2">978-89-4251-351-2</a>, 379쪽</span> </li> <li id="cite_note-20"><span class="mw-cite-backlink"><a href="#cite_ref-20">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.ictr.or.kr/information/others_02.asp">전동차현황</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20170417072646/https://www.ictr.or.kr/information/others_02.asp">Archived</a> 2017년 4월 17일 - <a href="/wiki/%EC%9B%A8%EC%9D%B4%EB%B0%B1_%EB%A8%B8%EC%8B%A0" title="웨이백 머신">웨이백 머신</a>, 인천교통공사</span> </li> <li id="cite_note-21"><span class="mw-cite-backlink"><a href="#cite_ref-21">↑</a></span> <span class="reference-text">임준영 김상영 최용원, 〈에어컨팬용 3상 SRM(200와트급)〉, 《전력전자학회 2004년도 전력전자학술대회 논문집(Ⅰ)》, 2004.7, 259 쪽</span> </li> <li id="cite_note-22"><span class="mw-cite-backlink"><a href="#cite_ref-22">↑</a></span> <span class="reference-text">미국의 발전사업 초기 <a href="/wiki/%ED%86%A0%EB%A8%B8%EC%8A%A4_%EC%97%90%EB%94%94%EC%8A%A8" title="토머스 에디슨">토머스 에디슨</a>은 직류 발전을 <a href="/wiki/%EB%8B%88%EC%BD%9C%EB%9D%BC_%ED%85%8C%EC%8A%AC%EB%9D%BC" title="니콜라 테슬라">니콜라 테슬라</a>는 교류 발전을 주장하였다. 이후 경제성면에서 교류 발전이 우월함이 입증되어 세게적으로 사용되고 있다. - 이종호, 《천재를 이긴 천재들》, 글항아리, 2007년, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38117996"><a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-89-5460-436-9" title="특수:책찾기/978-89-5460-436-9">978-89-5460-436-9</a>, 54-56쪽</span> </li> <li id="cite_note-23"><span class="mw-cite-backlink"><a href="#cite_ref-23">↑</a></span> <span class="reference-text">이태원, 《일러스트로 보는 기초전기전자》, 한진, 2013년, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38117996"><a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-89-8641-254-3" title="특수:책찾기/978-89-8641-254-3">978-89-8641-254-3</a>, 203-206쪽</span> </li> <li id="cite_note-Raymond_645-24"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Raymond_645_24-0">가</a></sup> <sup><a href="#cite_ref-Raymond_645_24-1">나</a></sup></span> <span class="reference-text">Raymond A. Serway, John W. Jewett, 대학물리학교재편찬위원회, 《대학물리학 II》, 북스힐, 2011년, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38117996"><a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-89-5526-554-5" title="특수:책찾기/978-89-5526-554-5">978-89-5526-554-5</a>, 645쪽</span> </li> <li id="cite_note-25"><span class="mw-cite-backlink"><a href="#cite_ref-25">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://home.kepco.co.kr/kepco/KO/C/htmlView/KOCCHP00301.do?menuCd=FN05030303">765kV송변전사업</a>, 한국전력공사</span> </li> <li id="cite_note-26"><span class="mw-cite-backlink"><a href="#cite_ref-26">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://home.kepco.co.kr/kepco/KO/H/htmlView/KOHAHP00107.do">전기는 우리 집까지 어떻게 오나요?</a>, 한국전력공사</span> </li> <li id="cite_note-27"><span class="mw-cite-backlink"><a href="#cite_ref-27">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://support-kr.canon-ci.co.kr/contents/KR/KR/8200780300.html">국가별 컬러 및 전원 시스템(전압 및 콘센트)</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20170417070141/http://support-kr.canon-ci.co.kr/contents/KR/KR/8200780300.html#">Archived</a> 2017년 4월 17일 - <a href="/wiki/%EC%9B%A8%EC%9D%B4%EB%B0%B1_%EB%A8%B8%EC%8B%A0" title="웨이백 머신">웨이백 머신</a>, Cannon</span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="외부_링크"><span id=".EC.99.B8.EB.B6.80_.EB.A7.81.ED.81.AC"></span>외부 링크</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EC%A0%84%EB%A0%A5&action=edit&section=11" title="부분 편집: 외부 링크"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r38501082">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><div class="side-box metadata side-box-right plainlinks"><style data-mw-deduplicate="TemplateStyles:r36480595">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style> <div class="side-box-flex"> <div class="side-box-image"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span></div> <div class="side-box-text plainlist"><b><a href="/wiki/%EC%9C%84%ED%82%A4%EB%AF%B8%EB%94%94%EC%96%B4_%EA%B3%B5%EC%9A%A9" title="위키미디어 공용">위키미디어 공용</a></b>에 관련된<br />미디어 분류가 있습니다.<div style="padding-left:1em;"><b><a class="external text" href="https://commons.wikimedia.org/wiki/Category:Electrical_power?uselang=ko">전력</a></b></div></div></div> </div> <ul><li><a rel="nofollow" class="external text" href="http://home.kepco.co.kr/kepco/KO/C/htmlView/KOCCHP001.do?menuCd=FN05030301">한국의 전력</a> - <a href="/wiki/%ED%95%9C%EA%B5%AD%EC%A0%84%EB%A0%A5" class="mw-redirect" title="한국전력">한국전력</a></li> <li><a rel="nofollow" class="external text" href="https://www.energy.gov/energysources/electricpower.htm">U.S. Department of Energy: Electric Power</a></li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20140709030157/http://en.globtek.com/glossary.php#.UvZfsRBdWE8">GlobTek, Inc. Glossary of Electric power Power Supply Terms</a></li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20200408033145/https://e-electricity.com/">Platform of electric sector</a></li></ul> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r36480591"><style data-mw-deduplicate="TemplateStyles:r38501015">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow{padding:0.25em 1em;line-height:1.5em;text-align:center}.mw-parser-output .navbox-group{white-space:nowrap;text-align:right}.mw-parser-output .navbox,.mw-parser-output .navbox-subgroup{background-color:#fdfdfd}.mw-parser-output .navbox-list{line-height:1.5em;border-color:#fdfdfd}.mw-parser-output .navbox-list-with-group{text-align:left;border-left-width:2px;border-left-style:solid}.mw-parser-output tr+tr>.navbox-abovebelow,.mw-parser-output tr+tr>.navbox-group,.mw-parser-output tr+tr>.navbox-image,.mw-parser-output tr+tr>.navbox-list{border-top:2px solid #fdfdfd}.mw-parser-output .navbox-title{background-color:#ccf}.mw-parser-output .navbox-abovebelow,.mw-parser-output .navbox-group,.mw-parser-output .navbox-subgroup .navbox-title{background-color:#ddf}.mw-parser-output .navbox-subgroup .navbox-group,.mw-parser-output .navbox-subgroup .navbox-abovebelow{background-color:#e6e6ff}.mw-parser-output .navbox-even{background-color:#f7f7f7}.mw-parser-output .navbox-odd{background-color:transparent}.mw-parser-output .navbox .hlist td dl,.mw-parser-output .navbox .hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox authority-control" aria-labelledby="전거_통제_frameless&#124;text-top&#124;10px&#124;alt=위키데이터에서_편집하기&#124;link=https&#58;//www.wikidata.org/wiki/Q27137#identifiers&#124;class=noprint&#124;위키데이터에서_편집하기" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="전거_통제_frameless&#124;text-top&#124;10px&#124;alt=위키데이터에서_편집하기&#124;link=https&#58;//www.wikidata.org/wiki/Q27137#identifiers&#124;class=noprint&#124;위키데이터에서_편집하기" style="font-size:114%;margin:0 4em"><a href="/wiki/%EC%9C%84%ED%82%A4%EB%B0%B1%EA%B3%BC:%EC%A0%84%EA%B1%B0_%ED%86%B5%EC%A0%9C" title="위키백과:전거 통제">전거 통제</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q27137#identifiers" title="위키데이터에서 편집하기"><img alt="위키데이터에서 편집하기" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">국가</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://d-nb.info/gnd/4151723-4">독일</a></span></li> <li><span class="uid"><a rel="nofollow" class="external text" href="http://uli.nli.org.il/F/?func=find-b&local_base=NLX10&find_code=UID&request=987007535930605171">이스라엘</a></span></li> <li><span class="uid"><a rel="nofollow" class="external text" href="https://id.loc.gov/authorities/sh85041875">미국</a></span></li> <li><span class="uid"><a rel="nofollow" class="external text" href="https://id.ndl.go.jp/auth/ndlna/00561409">일본</a></span></li> <li><span class="uid"><abbr title="elektrický výkon"><a rel="nofollow" class="external text" href="https://aleph.nkp.cz/F/?func=find-c&local_base=aut&ccl_term=ica=ph545366&CON_LNG=ENG">체코</a></abbr></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">기타</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://catalog.archives.gov/id/10638903">국립문서기록관리청</a></span></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=0" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">원본 주소 "<a dir="ltr" href="https://ko.wikipedia.org/w/index.php?title=전력&oldid=37471648">https://ko.wikipedia.org/w/index.php?title=전력&oldid=37471648</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/%ED%8A%B9%EC%88%98:%EB%B6%84%EB%A5%98" title="특수:분류">분류</a>: <ul><li><a href="/wiki/%EB%B6%84%EB%A5%98:%EC%A0%84%EB%A0%A5" title="분류:전력">전력</a></li><li><a href="/wiki/%EB%B6%84%EB%A5%98:%EC%A0%84%EC%9E%90%EA%B8%B0%ED%95%99" title="분류:전자기학">전자기학</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">숨은 분류: <ul><li><a href="/wiki/%EB%B6%84%EB%A5%98:%ED%95%B4%EA%B2%B0%EB%90%98%EC%A7%80_%EC%95%8A%EC%9D%80_%EC%86%8D%EC%84%B1%EC%9D%B4_%EC%9E%88%EB%8A%94_%EB%AC%B8%EC%84%9C" title="분류:해결되지 않은 속성이 있는 문서">해결되지 않은 속성이 있는 문서</a></li><li><a href="/wiki/%EB%B6%84%EB%A5%98:%EC%9C%84%ED%82%A4%EB%8D%B0%EC%9D%B4%ED%84%B0_%EC%86%8D%EC%84%B1_P18%EC%9D%84_%EC%82%AC%EC%9A%A9%ED%95%98%EB%8A%94_%EB%AC%B8%EC%84%9C" title="분류:위키데이터 속성 P18을 사용하는 문서">위키데이터 속성 P18을 사용하는 문서</a></li><li><a href="/wiki/%EB%B6%84%EB%A5%98:%EC%9C%84%ED%82%A4%EB%8D%B0%EC%9D%B4%ED%84%B0_%EC%86%8D%EC%84%B1_P373%EC%9D%84_%EC%82%AC%EC%9A%A9%ED%95%98%EB%8A%94_%EB%AC%B8%EC%84%9C" title="분류:위키데이터 속성 P373을 사용하는 문서">위키데이터 속성 P373을 사용하는 문서</a></li><li><a href="/wiki/%EB%B6%84%EB%A5%98:%EC%9C%84%ED%82%A4%EB%8D%B0%EC%9D%B4%ED%84%B0_%EC%86%8D%EC%84%B1_P227%EC%9D%84_%EC%82%AC%EC%9A%A9%ED%95%98%EB%8A%94_%EB%AC%B8%EC%84%9C" title="분류:위키데이터 속성 P227을 사용하는 문서">위키데이터 속성 P227을 사용하는 문서</a></li><li><a href="/wiki/%EB%B6%84%EB%A5%98:%EC%9C%84%ED%82%A4%EB%8D%B0%EC%9D%B4%ED%84%B0_%EC%86%8D%EC%84%B1_P244%EB%A5%BC_%EC%82%AC%EC%9A%A9%ED%95%98%EB%8A%94_%EB%AC%B8%EC%84%9C" title="분류:위키데이터 속성 P244를 사용하는 문서">위키데이터 속성 P244를 사용하는 문서</a></li><li><a href="/wiki/%EB%B6%84%EB%A5%98:%EC%9C%84%ED%82%A4%EB%8D%B0%EC%9D%B4%ED%84%B0_%EC%86%8D%EC%84%B1_P349%EB%A5%BC_%EC%82%AC%EC%9A%A9%ED%95%98%EB%8A%94_%EB%AC%B8%EC%84%9C" title="분류:위키데이터 속성 P349를 사용하는 문서">위키데이터 속성 P349를 사용하는 문서</a></li><li><a href="/wiki/%EB%B6%84%EB%A5%98:%EC%9C%84%ED%82%A4%EB%8D%B0%EC%9D%B4%ED%84%B0_%EC%86%8D%EC%84%B1_P691%EC%9D%84_%EC%82%AC%EC%9A%A9%ED%95%98%EB%8A%94_%EB%AC%B8%EC%84%9C" title="분류:위키데이터 속성 P691을 사용하는 문서">위키데이터 속성 P691을 사용하는 문서</a></li><li><a href="/wiki/%EB%B6%84%EB%A5%98:%EC%9C%84%ED%82%A4%EB%8D%B0%EC%9D%B4%ED%84%B0_%EC%86%8D%EC%84%B1_P1225%EB%A5%BC_%EC%82%AC%EC%9A%A9%ED%95%98%EB%8A%94_%EB%AC%B8%EC%84%9C" title="분류:위키데이터 속성 P1225를 사용하는 문서">위키데이터 속성 P1225를 사용하는 문서</a></li><li><a href="/wiki/%EB%B6%84%EB%A5%98:%EC%9C%84%ED%82%A4%EB%8D%B0%EC%9D%B4%ED%84%B0_%EC%86%8D%EC%84%B1_P7859%EB%A5%BC_%EC%82%AC%EC%9A%A9%ED%95%98%EB%8A%94_%EB%AC%B8%EC%84%9C" title="분류:위키데이터 속성 P7859를 사용하는 문서">위키데이터 속성 P7859를 사용하는 문서</a></li><li><a href="/wiki/%EB%B6%84%EB%A5%98:%EC%9C%84%ED%82%A4%EB%8D%B0%EC%9D%B4%ED%84%B0_%EC%86%8D%EC%84%B1_P8189%EB%A5%BC_%EC%82%AC%EC%9A%A9%ED%95%98%EB%8A%94_%EB%AC%B8%EC%84%9C" title="분류:위키데이터 속성 P8189를 사용하는 문서">위키데이터 속성 P8189를 사용하는 문서</a></li><li><a href="/wiki/%EB%B6%84%EB%A5%98:%ED%95%9C%EA%B5%AD%EC%96%B4_%EC%9C%84%ED%82%A4%EB%B0%B1%EA%B3%BC%EC%9D%98_%EB%A7%81%ED%81%AC%EA%B0%80_%EC%9C%84%ED%82%A4%EB%8D%B0%EC%9D%B4%ED%84%B0%EC%99%80_%EA%B0%99%EC%9D%80_%EC%9C%84%ED%82%A4%EA%B3%B5%EC%9A%A9%EB%B6%84%EB%A5%98" title="분류:한국어 위키백과의 링크가 위키데이터와 같은 위키공용분류">한국어 위키백과의 링크가 위키데이터와 같은 위키공용분류</a></li><li><a href="/wiki/%EB%B6%84%EB%A5%98:GND_%EC%8B%9D%EB%B3%84%EC%9E%90%EB%A5%BC_%ED%8F%AC%ED%95%A8%ED%95%9C_%EC%9C%84%ED%82%A4%EB%B0%B1%EA%B3%BC_%EB%AC%B8%EC%84%9C" title="분류:GND 식별자를 포함한 위키백과 문서">GND 식별자를 포함한 위키백과 문서</a></li><li><a href="/wiki/%EB%B6%84%EB%A5%98:J9U_%EC%8B%9D%EB%B3%84%EC%9E%90%EB%A5%BC_%ED%8F%AC%ED%95%A8%ED%95%9C_%EC%9C%84%ED%82%A4%EB%B0%B1%EA%B3%BC_%EB%AC%B8%EC%84%9C" title="분류:J9U 식별자를 포함한 위키백과 문서">J9U 식별자를 포함한 위키백과 문서</a></li><li><a href="/wiki/%EB%B6%84%EB%A5%98:LCCN_%EC%8B%9D%EB%B3%84%EC%9E%90%EB%A5%BC_%ED%8F%AC%ED%95%A8%ED%95%9C_%EC%9C%84%ED%82%A4%EB%B0%B1%EA%B3%BC_%EB%AC%B8%EC%84%9C" title="분류:LCCN 식별자를 포함한 위키백과 문서">LCCN 식별자를 포함한 위키백과 문서</a></li><li><a href="/wiki/%EB%B6%84%EB%A5%98:NDL_%EC%8B%9D%EB%B3%84%EC%9E%90%EB%A5%BC_%ED%8F%AC%ED%95%A8%ED%95%9C_%EC%9C%84%ED%82%A4%EB%B0%B1%EA%B3%BC_%EB%AC%B8%EC%84%9C" title="분류:NDL 식별자를 포함한 위키백과 문서">NDL 식별자를 포함한 위키백과 문서</a></li><li><a href="/wiki/%EB%B6%84%EB%A5%98:NKC_%EC%8B%9D%EB%B3%84%EC%9E%90%EB%A5%BC_%ED%8F%AC%ED%95%A8%ED%95%9C_%EC%9C%84%ED%82%A4%EB%B0%B1%EA%B3%BC_%EB%AC%B8%EC%84%9C" title="분류:NKC 식별자를 포함한 위키백과 문서">NKC 식별자를 포함한 위키백과 문서</a></li><li><a href="/wiki/%EB%B6%84%EB%A5%98:NARA_%EC%8B%9D%EB%B3%84%EC%9E%90%EB%A5%BC_%ED%8F%AC%ED%95%A8%ED%95%9C_%EC%9C%84%ED%82%A4%EB%B0%B1%EA%B3%BC_%EB%AC%B8%EC%84%9C" title="분류:NARA 식별자를 포함한 위키백과 문서">NARA 식별자를 포함한 위키백과 문서</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> 이 문서는 2024년 7월 6일 (토) 16:27에 마지막으로 편집되었습니다.</li> <li id="footer-info-copyright">모든 문서는 <a rel="nofollow" class="external text" href="//creativecommons.org/licenses/by-sa/4.0/deed.ko">크리에이티브 커먼즈 저작자표시-동일조건변경허락 4.0</a>에 따라 사용할 수 있으며, 추가적인 조건이 적용될 수 있습니다. 자세한 내용은 <a class="external text" href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Terms_of_Use/ko">이용 약관</a>을 참고하십시오.<br />Wikipedia®는 미국 및 다른 국가에 등록되어 있는 <a rel="nofollow" class="external text" href="https://www.wikimediafoundation.org">Wikimedia Foundation, Inc.</a> 소유의 등록 상표입니다.</li> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy">개인정보처리방침</a></li> <li id="footer-places-about"><a href="/wiki/%EC%9C%84%ED%82%A4%EB%B0%B1%EA%B3%BC:%EC%86%8C%EA%B0%9C">위키백과 소개</a></li> <li id="footer-places-disclaimers"><a href="/wiki/%EC%9C%84%ED%82%A4%EB%B0%B1%EA%B3%BC:%EB%A9%B4%EC%B1%85_%EC%A1%B0%ED%95%AD">면책 조항</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">행동 강령</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">개발자</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/ko.wikipedia.org">통계</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">쿠키 정책</a></li> <li id="footer-places-mobileview"><a href="//ko.m.wikipedia.org/w/index.php?title=%EC%A0%84%EB%A0%A5&mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">모바일 보기</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://wikimediafoundation.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/static/images/footer/wikimedia-button.svg" width="84" height="29" alt="Wikimedia Foundation" lang="en" loading="lazy"></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><picture><source media="(min-width: 500px)" srcset="/w/resources/assets/poweredby_mediawiki.svg" width="88" height="31"><img src="/w/resources/assets/mediawiki_compact.svg" alt="Powered by MediaWiki" width="25" height="25" loading="lazy"></picture></a></li> </ul> </footer> </div> </div> </div> <div class="vector-header-container vector-sticky-header-container"> <div id="vector-sticky-header" class="vector-sticky-header"> <div class="vector-sticky-header-start"> <div class="vector-sticky-header-icon-start vector-button-flush-left vector-button-flush-right" aria-hidden="true"> <button class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-sticky-header-search-toggle" tabindex="-1" data-event-name="ui.vector-sticky-search-form.icon"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>검색</span> </button> </div> <div role="search" class="vector-search-box-vue vector-search-box-show-thumbnail vector-search-box"> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail"> <form action="/w/index.php" id="vector-sticky-search-form" class="cdx-search-input cdx-search-input--has-end-button"> <div class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="위키백과 검색"> <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="특수:검색"> </div> <button class="cdx-button cdx-search-input__end-button">검색</button> </form> </div> </div> </div> <div class="vector-sticky-header-context-bar"> <nav aria-label="목차" class="vector-toc-landmark"> <div id="vector-sticky-header-toc" class="vector-dropdown mw-portlet mw-portlet-sticky-header-toc vector-sticky-header-toc vector-button-flush-left" > <input type="checkbox" id="vector-sticky-header-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-sticky-header-toc" class="vector-dropdown-checkbox " aria-label="목차 토글" > <label id="vector-sticky-header-toc-label" for="vector-sticky-header-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">목차 토글</span> </label> <div class="vector-dropdown-content"> <div id="vector-sticky-header-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div class="vector-sticky-header-context-bar-primary" aria-hidden="true" ><span class="mw-page-title-main">전력</span></div> </div> </div> <div class="vector-sticky-header-end" aria-hidden="true"> <div class="vector-sticky-header-icons"> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-talk-sticky-header" tabindex="-1" data-event-name="talk-sticky-header"><span class="vector-icon mw-ui-icon-speechBubbles mw-ui-icon-wikimedia-speechBubbles"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-subject-sticky-header" tabindex="-1" data-event-name="subject-sticky-header"><span class="vector-icon mw-ui-icon-article mw-ui-icon-wikimedia-article"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-history-sticky-header" tabindex="-1" data-event-name="history-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-history mw-ui-icon-wikimedia-wikimedia-history"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only mw-watchlink" id="ca-watchstar-sticky-header" tabindex="-1" data-event-name="watch-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-star mw-ui-icon-wikimedia-wikimedia-star"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-edit-sticky-header" tabindex="-1" data-event-name="wikitext-edit-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-wikiText mw-ui-icon-wikimedia-wikimedia-wikiText"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-ve-edit-sticky-header" tabindex="-1" data-event-name="ve-edit-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-edit mw-ui-icon-wikimedia-wikimedia-edit"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-viewsource-sticky-header" tabindex="-1" data-event-name="ve-edit-protected-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-editLock mw-ui-icon-wikimedia-wikimedia-editLock"></span> <span></span> </a> </div> <div class="vector-sticky-header-buttons"> <button class="cdx-button cdx-button--weight-quiet mw-interlanguage-selector" id="p-lang-btn-sticky-header" tabindex="-1" data-event-name="ui.dropdown-p-lang-btn-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-language mw-ui-icon-wikimedia-wikimedia-language"></span> <span>69개 언어</span> </button> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive" id="ca-addsection-sticky-header" tabindex="-1" data-event-name="addsection-sticky-header"><span class="vector-icon mw-ui-icon-speechBubbleAdd-progressive mw-ui-icon-wikimedia-speechBubbleAdd-progressive"></span> <span>새 주제</span> </a> </div> <div class="vector-sticky-header-icon-end"> <div class="vector-user-links"> </div> </div> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.canary-55fd9d4764-xbhgd","wgBackendResponseTime":169,"wgPageParseReport":{"limitreport":{"cputime":"0.532","walltime":"0.760","ppvisitednodes":{"value":5325,"limit":1000000},"postexpandincludesize":{"value":49599,"limit":2097152},"templateargumentsize":{"value":7355,"limit":2097152},"expansiondepth":{"value":15,"limit":100},"expensivefunctioncount":{"value":11,"limit":500},"unstrip-depth":{"value":1,"limit":20},"unstrip-size":{"value":83709,"limit":5000000},"entityaccesscount":{"value":1,"limit":400},"timingprofile":["100.00% 592.673 1 -total"," 31.81% 188.524 1 틀:각주"," 26.80% 158.824 21 틀:ISBN"," 25.80% 152.938 1 틀:위키데이터_속성_추적"," 19.00% 112.610 1 틀:전자기학"," 18.67% 110.628 1 틀:접이식_사이드바"," 12.96% 76.784 21 틀:Catalog_lookup_link"," 9.65% 57.166 1 틀:전거_통제"," 5.67% 33.624 1 틀:위키공용분류"," 5.06% 29.993 21 틀:Error-small"]},"scribunto":{"limitreport-timeusage":{"value":"0.222","limit":"10.000"},"limitreport-memusage":{"value":2094039,"limit":52428800}},"cachereport":{"origin":"mw-api-int.codfw.main-5b65fffc7d-4lf2s","timestamp":"20250216165655","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"\uc804\ub825","url":"https:\/\/ko.wikipedia.org\/wiki\/%EC%A0%84%EB%A0%A5","sameAs":"http:\/\/www.wikidata.org\/entity\/Q27137","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q27137","author":{"@type":"Organization","name":"\uc704\ud0a4\ubbf8\ub514\uc5b4 \ud504\ub85c\uc81d\ud2b8 \uae30\uc5ec\uc790"},"publisher":{"@type":"Organization","name":"Wikimedia Foundation, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2003-11-19T00:20:59Z","dateModified":"2024-07-06T07:27:45Z","image":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/0\/0d\/VFPt_Solenoid_correct2.svg","headline":"\ub2e8\uc704 \uc2dc\uac04 \ub2f9 \uc804\ub958\uac00 \ud560 \uc218 \uc788\ub294 \uc77c\uc758 \uc591"}</script> </body> </html>