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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="Търсене в Уикипедия" aria-label="Търсене в Уикипедия" autocapitalize="sentences" title="Претърсване на Уикипедия [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Специални:Търсене"> </div> <button class="cdx-button cdx-search-input__end-button">Търсене</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Лични инструменти"> <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="Облик"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Change the appearance of the page's font size, width, and color" > <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="Облик" > <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">Облик</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="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_bg.wikipedia.org&uselang=bg" class=""><span>Направете дарение</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=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A1%D1%8A%D0%B7%D0%B4%D0%B0%D0%B2%D0%B0%D0%BD%D0%B5_%D0%BD%D0%B0_%D1%81%D0%BC%D0%B5%D1%82%D0%BA%D0%B0&returnto=%D0%9F%D0%BE%D1%81%D1%82%D0%BE%D1%8F%D0%BD%D0%B5%D0%BD+%D1%82%D0%BE%D0%BA" title="Насърчаваме Ви да си създадете сметка и да влезете, въпреки че не е задължително." class=""><span>Създаване на сметка</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=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A0%D0%B5%D0%B3%D0%B8%D1%81%D1%82%D1%80%D0%B8%D1%80%D0%B0%D0%BD%D0%B5_%D0%B8%D0%BB%D0%B8_%D0%B2%D0%BB%D0%B8%D0%B7%D0%B0%D0%BD%D0%B5&returnto=%D0%9F%D0%BE%D1%81%D1%82%D0%BE%D1%8F%D0%BD%D0%B5%D0%BD+%D1%82%D0%BE%D0%BA" title="Препоръчваме Ви да влезете, въпреки, че не е задължително. [o]" accesskey="o" class=""><span>Влизане</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="Допълнителни опции" > <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="Лични инструменти" > <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">Лични инструменти</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Потребителско меню" > <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="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_bg.wikipedia.org&uselang=bg"><span>Направете дарение</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A1%D1%8A%D0%B7%D0%B4%D0%B0%D0%B2%D0%B0%D0%BD%D0%B5_%D0%BD%D0%B0_%D1%81%D0%BC%D0%B5%D1%82%D0%BA%D0%B0&returnto=%D0%9F%D0%BE%D1%81%D1%82%D0%BE%D1%8F%D0%BD%D0%B5%D0%BD+%D1%82%D0%BE%D0%BA" title="Насърчаваме Ви да си създадете сметка и да влезете, въпреки че не е задължително."><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Създаване на сметка</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A0%D0%B5%D0%B3%D0%B8%D1%81%D1%82%D1%80%D0%B8%D1%80%D0%B0%D0%BD%D0%B5_%D0%B8%D0%BB%D0%B8_%D0%B2%D0%BB%D0%B8%D0%B7%D0%B0%D0%BD%D0%B5&returnto=%D0%9F%D0%BE%D1%81%D1%82%D0%BE%D1%8F%D0%BD%D0%B5%D0%BD+%D1%82%D0%BE%D0%BA" title="Препоръчваме Ви да влезете, въпреки, че не е задължително. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Влизане</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"> Страници за излезли от системата редактори <a href="/wiki/%D0%9F%D0%BE%D0%BC%D0%BE%D1%89:%D0%92%D1%8A%D0%B2%D0%B5%D0%B4%D0%B5%D0%BD%D0%B8%D0%B5" aria-label="Научете повече за редактирането"><span>научете повече</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/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%9C%D0%BE%D0%B8%D1%82%D0%B5_%D0%BF%D1%80%D0%B8%D0%BD%D0%BE%D1%81%D0%B8" title="Списък на промените, направени от този IP адрес [y]" accesskey="y"><span>Приноси</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%9C%D0%BE%D1%8F%D1%82%D0%B0_%D0%B1%D0%B5%D1%81%D0%B5%D0%B4%D0%B0" title="Дискусия относно редакциите от този адрес [n]" accesskey="n"><span>Беседа</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="Сайт"> <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="Съдържание" 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">Съдържание</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">преместване към страничната лента</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">скриване</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">Начало</div> </a> </li> <li id="toc-История" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#История"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>История</span> </div> </a> <ul id="toc-История-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Приложение" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Приложение"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Приложение</span> </div> </a> <ul id="toc-Приложение-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Вижте_също" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Вижте_също"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Вижте също</span> </div> </a> <ul id="toc-Вижте_също-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="Съдържание" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <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="Скриване/показване на съдържанието" > <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">Скриване/показване на съдържанието</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">Постоянен ток</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="Към статията на друг език. Налична на 86 езика" > <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-86" 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">86 езика</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/Gelykstroom" title="Gelykstroom – африканс" lang="af" hreflang="af" data-title="Gelykstroom" data-language-autonym="Afrikaans" data-language-local-name="африканс" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-am mw-list-item"><a href="https://am.wikipedia.org/wiki/%E1%89%80%E1%8C%A5%E1%89%B0%E1%8A%9B_%E1%8C%85%E1%88%A8%E1%89%B5" title="ቀጥተኛ ጅረት – амхарски" lang="am" hreflang="am" data-title="ቀጥተኛ ጅረት" data-language-autonym="አማርኛ" data-language-local-name="амхарски" class="interlanguage-link-target"><span>አማርኛ</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Corrient_contina" title="Corrient contina – арагонски" lang="an" hreflang="an" data-title="Corrient contina" data-language-autonym="Aragonés" data-language-local-name="арагонски" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AA%D9%8A%D8%A7%D8%B1_%D9%85%D8%B3%D8%AA%D9%85%D8%B1" title="تيار مستمر – арабски" lang="ar" hreflang="ar" data-title="تيار مستمر" data-language-autonym="العربية" data-language-local-name="арабски" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Corriente_continua" title="Corriente continua – астурски" lang="ast" hreflang="ast" data-title="Corriente continua" data-language-autonym="Asturianu" data-language-local-name="астурски" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Sabit_c%C9%99r%C9%99yan" title="Sabit cərəyan – азербайджански" lang="az" hreflang="az" data-title="Sabit cərəyan" data-language-autonym="Azərbaycanca" data-language-local-name="азербайджански" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bar mw-list-item"><a href="https://bar.wikipedia.org/wiki/Gleichstraum" title="Gleichstraum – Bavarian" lang="bar" hreflang="bar" data-title="Gleichstraum" 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%9F%D0%B0%D1%81%D1%82%D0%B0%D1%8F%D0%BD%D0%BD%D1%8B_%D1%82%D0%BE%D0%BA" title="Пастаянны ток – беларуски" lang="be" hreflang="be" data-title="Пастаянны ток" data-language-autonym="Беларуская" data-language-local-name="беларуски" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%8F%E0%A6%95%E0%A6%AE%E0%A7%81%E0%A6%96%E0%A7%80_%E0%A6%AC%E0%A6%BF%E0%A6%A6%E0%A7%8D%E0%A6%AF%E0%A7%81%E0%A7%8E_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%AC%E0%A6%BE%E0%A6%B9" title="একমুখী বিদ্যুৎ প্রবাহ – бенгалски" lang="bn" hreflang="bn" data-title="একমুখী বিদ্যুৎ প্রবাহ" data-language-autonym="বাংলা" data-language-local-name="бенгалски" 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/Istosmjerna_struja" title="Istosmjerna struja – босненски" lang="bs" hreflang="bs" data-title="Istosmjerna struja" data-language-autonym="Bosanski" data-language-local-name="босненски" 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/Corrent_continu" title="Corrent continu – каталонски" lang="ca" hreflang="ca" data-title="Corrent continu" data-language-autonym="Català" data-language-local-name="каталонски" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%AA%DB%95%D8%B2%D9%88%D9%88%DB%8C_%D9%86%DB%95%DA%AF%DB%86%DA%95" title="تەزووی نەگۆڕ – кюрдски (централен)" lang="ckb" hreflang="ckb" data-title="تەزووی نەگۆڕ" data-language-autonym="کوردی" data-language-local-name="кюрдски (централен)" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Stejnosm%C4%9Brn%C3%BD_proud" title="Stejnosměrný proud – чешки" lang="cs" hreflang="cs" data-title="Stejnosměrný proud" data-language-autonym="Čeština" data-language-local-name="чешки" 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%A3%D0%BB%D1%88%C4%83%D0%BD%D1%83%D1%81%C4%83%D1%80_%D1%82%D0%BE%D0%BA" title="Улшăнусăр ток – чувашки" lang="cv" hreflang="cv" data-title="Улшăнусăр ток" data-language-autonym="Чӑвашла" data-language-local-name="чувашки" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/J%C3%A6vnstr%C3%B8m" title="Jævnstrøm – датски" lang="da" hreflang="da" data-title="Jævnstrøm" data-language-autonym="Dansk" data-language-local-name="датски" 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/Gleichstrom" title="Gleichstrom – немски" lang="de" hreflang="de" data-title="Gleichstrom" data-language-autonym="Deutsch" data-language-local-name="немски" 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%A3%CF%85%CE%BD%CE%B5%CF%87%CE%AD%CF%82_%CF%81%CE%B5%CF%8D%CE%BC%CE%B1" title="Συνεχές ρεύμα – гръцки" lang="el" hreflang="el" data-title="Συνεχές ρεύμα" data-language-autonym="Ελληνικά" data-language-local-name="гръцки" 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/Direct_current" title="Direct current – английски" lang="en" hreflang="en" data-title="Direct current" data-language-autonym="English" data-language-local-name="английски" 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/Kontinua_kurento" title="Kontinua kurento – есперанто" lang="eo" hreflang="eo" data-title="Kontinua kurento" data-language-autonym="Esperanto" data-language-local-name="есперанто" 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/Corriente_continua" title="Corriente continua – испански" lang="es" hreflang="es" data-title="Corriente continua" data-language-autonym="Español" data-language-local-name="испански" 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/Alalisvool" title="Alalisvool – естонски" lang="et" hreflang="et" data-title="Alalisvool" data-language-autonym="Eesti" data-language-local-name="естонски" 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/Korronte_zuzen" title="Korronte zuzen – баски" lang="eu" hreflang="eu" data-title="Korronte zuzen" data-language-autonym="Euskara" data-language-local-name="баски" 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%AC%D8%B1%DB%8C%D8%A7%D9%86_%D9%85%D8%B3%D8%AA%D9%82%DB%8C%D9%85" title="جریان مستقیم – персийски" lang="fa" hreflang="fa" data-title="جریان مستقیم" data-language-autonym="فارسی" data-language-local-name="персийски" 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/Tasavirta" title="Tasavirta – фински" lang="fi" hreflang="fi" data-title="Tasavirta" data-language-autonym="Suomi" data-language-local-name="фински" 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/Courant_continu" title="Courant continu – френски" lang="fr" hreflang="fr" data-title="Courant continu" data-language-autonym="Français" data-language-local-name="френски" 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/Likstruum" title="Likstruum – северен фризийски" lang="frr" hreflang="frr" data-title="Likstruum" data-language-autonym="Nordfriisk" data-language-local-name="северен фризийски" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Corrente_continua" title="Corrente continua – галисийски" lang="gl" hreflang="gl" data-title="Corrente continua" data-language-autonym="Galego" data-language-local-name="галисийски" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-gor mw-list-item"><a href="https://gor.wikipedia.org/wiki/Arus_searah" title="Arus searah – горонтало" lang="gor" hreflang="gor" data-title="Arus searah" data-language-autonym="Bahasa Hulontalo" data-language-local-name="горонтало" class="interlanguage-link-target"><span>Bahasa Hulontalo</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%96%D7%A8%D7%9D_%D7%99%D7%A9%D7%A8" title="זרם ישר – иврит" lang="he" hreflang="he" data-title="זרם ישר" data-language-autonym="עברית" data-language-local-name="иврит" 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%A6%E0%A4%BF%E0%A4%B7%E0%A5%8D%E0%A4%9F_%E0%A4%A7%E0%A4%BE%E0%A4%B0%E0%A4%BE" title="दिष्ट धारा – хинди" lang="hi" hreflang="hi" data-title="दिष्ट धारा" data-language-autonym="हिन्दी" data-language-local-name="хинди" 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/Istosmjerna_struja" title="Istosmjerna struja – хърватски" lang="hr" hreflang="hr" data-title="Istosmjerna struja" data-language-autonym="Hrvatski" data-language-local-name="хърватски" 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/Kouran_dir%C3%A8k_(DC)" title="Kouran dirèk (DC) – хаитянски креолски" lang="ht" hreflang="ht" data-title="Kouran dirèk (DC)" data-language-autonym="Kreyòl ayisyen" data-language-local-name="хаитянски креолски" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Egyen%C3%A1ram" title="Egyenáram – унгарски" lang="hu" hreflang="hu" data-title="Egyenáram" data-language-autonym="Magyar" data-language-local-name="унгарски" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%80%D5%A1%D5%BD%D5%BF%D5%A1%D5%BF%D5%B8%D6%82%D5%B6_%D5%B0%D5%B8%D5%BD%D5%A1%D5%B6%D6%84" title="Հաստատուն հոսանք – арменски" lang="hy" hreflang="hy" data-title="Հաստատուն հոսանք" data-language-autonym="Հայերեն" data-language-local-name="арменски" 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/Arus_searah" title="Arus searah – индонезийски" lang="id" hreflang="id" data-title="Arus searah" data-language-autonym="Bahasa Indonesia" data-language-local-name="индонезийски" 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/Jafnstraumur" title="Jafnstraumur – исландски" lang="is" hreflang="is" data-title="Jafnstraumur" data-language-autonym="Íslenska" data-language-local-name="исландски" 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/Corrente_continua" title="Corrente continua – италиански" lang="it" hreflang="it" data-title="Corrente continua" data-language-autonym="Italiano" data-language-local-name="италиански" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E7%9B%B4%E6%B5%81" title="直流 – японски" lang="ja" hreflang="ja" data-title="直流" data-language-autonym="日本語" data-language-local-name="японски" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%9B%E1%83%A3%E1%83%93%E1%83%9B%E1%83%98%E1%83%95%E1%83%98_%E1%83%93%E1%83%94%E1%83%9C%E1%83%98" title="მუდმივი დენი – грузински" lang="ka" hreflang="ka" data-title="მუდმივი დენი" data-language-autonym="ქართული" data-language-local-name="грузински" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%A2%D2%B1%D1%80%D0%B0%D2%9B%D1%82%D1%8B_%D1%82%D0%BE%D0%BA" title="Тұрақты ток – казахски" lang="kk" hreflang="kk" data-title="Тұрақты ток" data-language-autonym="Қазақша" data-language-local-name="казахски" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%A7%81%EB%A5%98" title="직류 – корейски" lang="ko" hreflang="ko" data-title="직류" data-language-autonym="한국어" data-language-local-name="корейски" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%A2%D1%83%D1%80%D1%83%D0%BA%D1%82%D1%83%D1%83_%D1%82%D0%BE%D0%BA" title="Туруктуу ток – киргизки" lang="ky" hreflang="ky" data-title="Туруктуу ток" data-language-autonym="Кыргызча" data-language-local-name="киргизки" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Gelieksjtroum" title="Gelieksjtroum – лимбургски" lang="li" hreflang="li" data-title="Gelieksjtroum" data-language-autonym="Limburgs" data-language-local-name="лимбургски" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Corrent_continua" title="Corrent continua – ломбардски" lang="lmo" hreflang="lmo" data-title="Corrent continua" data-language-autonym="Lombard" data-language-local-name="ломбардски" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Nuolatin%C4%97_elektros_srov%C4%97" title="Nuolatinė elektros srovė – литовски" lang="lt" hreflang="lt" data-title="Nuolatinė elektros srovė" data-language-autonym="Lietuvių" data-language-local-name="литовски" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/L%C4%ABdzstr%C4%81va" title="Līdzstrāva – латвийски" lang="lv" hreflang="lv" data-title="Līdzstrāva" data-language-autonym="Latviešu" data-language-local-name="латвийски" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%95%D0%B4%D0%BD%D0%BE%D0%BD%D0%B0%D1%81%D0%BE%D1%87%D0%BD%D0%B0_%D1%81%D1%82%D1%80%D1%83%D1%98%D0%B0" title="Еднонасочна струја – македонски" lang="mk" hreflang="mk" data-title="Еднонасочна струја" data-language-autonym="Македонски" data-language-local-name="македонски" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%A8%E0%B5%87%E0%B5%BC%E0%B4%A7%E0%B4%BE%E0%B4%B0%E0%B4%BE_%E0%B4%B5%E0%B5%88%E0%B4%A6%E0%B5%8D%E0%B4%AF%E0%B5%81%E0%B4%A4%E0%B4%BF" title="നേർധാരാ വൈദ്യുതി – малаялам" lang="ml" hreflang="ml" data-title="നേർധാരാ വൈദ്യുതി" data-language-autonym="മലയാളം" data-language-local-name="малаялам" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%A2%D0%BE%D0%B3%D1%82%D0%BC%D0%BE%D0%BB_%D0%B3%D2%AF%D0%B9%D0%B4%D1%8D%D0%BB" title="Тогтмол гүйдэл – монголски" lang="mn" hreflang="mn" data-title="Тогтмол гүйдэл" data-language-autonym="Монгол" data-language-local-name="монголски" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Arus_terus" title="Arus terus – малайски" lang="ms" hreflang="ms" data-title="Arus terus" data-language-autonym="Bahasa Melayu" data-language-local-name="малайски" 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%90%E1%80%8A%E1%80%BA%E1%80%84%E1%80%BC%E1%80%AD%E1%80%99%E1%80%BA%E1%80%9C%E1%80%BB%E1%80%BE%E1%80%95%E1%80%BA%E1%80%85%E1%80%85%E1%80%BA" title="တည်ငြိမ်လျှပ်စစ် – бирмански" lang="my" hreflang="my" data-title="တည်ငြိမ်လျှပ်စစ်" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="бирмански" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%A1%E0%A4%BF%E0%A4%B8%E0%A5%80_%E0%A4%95%E0%A4%B0%E0%A5%87%E0%A4%A8%E0%A5%8D%E0%A4%9F" title="डिसी करेन्ट – непалски" lang="ne" hreflang="ne" data-title="डिसी करेन्ट" data-language-autonym="नेपाली" data-language-local-name="непалски" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Gelijkstroom" title="Gelijkstroom – нидерландски" lang="nl" hreflang="nl" data-title="Gelijkstroom" data-language-autonym="Nederlands" data-language-local-name="нидерландски" 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/Likestraum" title="Likestraum – норвежки (нюношк)" lang="nn" hreflang="nn" data-title="Likestraum" data-language-autonym="Norsk nynorsk" data-language-local-name="норвежки (нюношк)" 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/Likestr%C3%B8m" title="Likestrøm – норвежки (букмол)" lang="nb" hreflang="nb" data-title="Likestrøm" data-language-autonym="Norsk bokmål" data-language-local-name="норвежки (букмол)" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Corrent_contin%C3%BA" title="Corrent continú – окситански" lang="oc" hreflang="oc" data-title="Corrent continú" data-language-autonym="Occitan" data-language-local-name="окситански" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%AC%E0%A8%BF%E0%A8%9C%E0%A8%B2%E0%A9%80_%E0%A8%A6%E0%A9%80_%E0%A8%B8%E0%A8%BF%E0%A9%B1%E0%A8%A7%E0%A9%80_%E0%A8%AA%E0%A9%8D%E0%A8%B0%E0%A8%B5%E0%A8%BE%E0%A8%B9%E0%A8%BF%E0%A8%A4_%E0%A8%A7%E0%A8%BE%E0%A8%B0%E0%A8%BE" title="ਬਿਜਲੀ ਦੀ ਸਿੱਧੀ ਪ੍ਰਵਾਹਿਤ ਧਾਰਾ – пенджабски" lang="pa" hreflang="pa" data-title="ਬਿਜਲੀ ਦੀ ਸਿੱਧੀ ਪ੍ਰਵਾਹਿਤ ਧਾਰਾ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="пенджабски" 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/Pr%C4%85d_sta%C5%82y" title="Prąd stały – полски" lang="pl" hreflang="pl" data-title="Prąd stały" data-language-autonym="Polski" data-language-local-name="полски" 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/%DA%88%D8%B1%DB%8C%DA%A9%D9%B9_%DA%A9%D8%B1%D9%86%D9%B9" title="ڈریکٹ کرنٹ – Western Punjabi" lang="pnb" hreflang="pnb" data-title="ڈریکٹ کرنٹ" 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/Corrente_cont%C3%ADnua" title="Corrente contínua – португалски" lang="pt" hreflang="pt" data-title="Corrente contínua" data-language-autonym="Português" data-language-local-name="португалски" 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/Curent_continuu" title="Curent continuu – румънски" lang="ro" hreflang="ro" data-title="Curent continuu" data-language-autonym="Română" data-language-local-name="румънски" 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%9F%D0%BE%D1%81%D1%82%D0%BE%D1%8F%D0%BD%D0%BD%D1%8B%D0%B9_%D1%82%D0%BE%D0%BA" title="Постоянный ток – руски" lang="ru" hreflang="ru" data-title="Постоянный ток" data-language-autonym="Русский" data-language-local-name="руски" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Jednosmjerna_struja" title="Jednosmjerna struja – сърбохърватски" lang="sh" hreflang="sh" data-title="Jednosmjerna struja" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="сърбохърватски" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Direct_current" title="Direct current – Simple English" lang="en-simple" hreflang="en-simple" data-title="Direct current" 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/Jednosmern%C3%BD_pr%C3%BAd" title="Jednosmerný prúd – словашки" lang="sk" hreflang="sk" data-title="Jednosmerný prúd" data-language-autonym="Slovenčina" data-language-local-name="словашки" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Enosmerni_elektri%C4%8Dni_tok" title="Enosmerni električni tok – словенски" lang="sl" hreflang="sl" data-title="Enosmerni električni tok" data-language-autonym="Slovenščina" data-language-local-name="словенски" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Rryma_e_vazhdueshme" title="Rryma e vazhdueshme – албански" lang="sq" hreflang="sq" data-title="Rryma e vazhdueshme" data-language-autonym="Shqip" data-language-local-name="албански" 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%88%D0%B5%D0%B4%D0%BD%D0%BE%D1%81%D0%BC%D0%B5%D1%80%D0%BD%D0%B0_%D1%81%D1%82%D1%80%D1%83%D1%98%D0%B0" title="Једносмерна струја – сръбски" lang="sr" hreflang="sr" data-title="Једносмерна струја" data-language-autonym="Српски / srpski" data-language-local-name="сръбски" 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/Glieksponnenge" title="Glieksponnenge – Saterland Frisian" lang="stq" hreflang="stq" data-title="Glieksponnenge" data-language-autonym="Seeltersk" data-language-local-name="Saterland Frisian" class="interlanguage-link-target"><span>Seeltersk</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Arus_listrik_saarah" title="Arus listrik saarah – сундански" lang="su" hreflang="su" data-title="Arus listrik saarah" data-language-autonym="Sunda" data-language-local-name="сундански" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Likstr%C3%B6m" title="Likström – шведски" lang="sv" hreflang="sv" data-title="Likström" data-language-autonym="Svenska" data-language-local-name="шведски" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%A8%E0%AF%87%E0%AE%B0%E0%AF%8D_%E0%AE%AE%E0%AE%BF%E0%AE%A9%E0%AF%8D%E0%AE%A9%E0%AF%8B%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%AE%E0%AF%8D" title="நேர் மின்னோட்டம் – тамилски" lang="ta" hreflang="ta" data-title="நேர் மின்னோட்டம்" data-language-autonym="தமிழ்" data-language-local-name="тамилски" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%8F%E0%B0%95%E0%B0%AE%E0%B1%81%E0%B0%96_%E0%B0%B5%E0%B0%BF%E0%B0%A6%E0%B1%8D%E0%B0%AF%E0%B1%81%E0%B0%A4%E0%B1%8D_%E0%B0%AA%E0%B1%8D%E0%B0%B0%E0%B0%B5%E0%B0%BE%E0%B0%B9%E0%B0%82" title="ఏకముఖ విద్యుత్ ప్రవాహం – телугу" lang="te" hreflang="te" data-title="ఏకముఖ విద్యుత్ ప్రవాహం" data-language-autonym="తెలుగు" data-language-local-name="телугу" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%84%E0%B8%9F%E0%B8%9F%E0%B9%89%E0%B8%B2%E0%B8%81%E0%B8%A3%E0%B8%B0%E0%B9%81%E0%B8%AA%E0%B8%95%E0%B8%A3%E0%B8%87" title="ไฟฟ้ากระแสตรง – тайски" lang="th" hreflang="th" data-title="ไฟฟ้ากระแสตรง" data-language-autonym="ไทย" data-language-local-name="тайски" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Direct_current" title="Direct current – тагалог" lang="tl" hreflang="tl" data-title="Direct current" data-language-autonym="Tagalog" data-language-local-name="тагалог" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Do%C4%9Fru_ak%C4%B1m" title="Doğru akım – турски" lang="tr" hreflang="tr" data-title="Doğru akım" data-language-autonym="Türkçe" data-language-local-name="турски" 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%81%D1%82%D1%96%D0%B9%D0%BD%D0%B8%D0%B9_%D1%81%D1%82%D1%80%D1%83%D0%BC" title="Постійний струм – украински" lang="uk" hreflang="uk" data-title="Постійний струм" data-language-autonym="Українська" data-language-local-name="украински" 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%B1%D8%A7%D8%B3%D8%AA_%D8%B1%D9%88" title="راست رو – урду" lang="ur" hreflang="ur" data-title="راست رو" data-language-autonym="اردو" data-language-local-name="урду" 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/O%CA%BBzgarmas_tok" title="Oʻzgarmas tok – узбекски" lang="uz" hreflang="uz" data-title="Oʻzgarmas tok" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="узбекски" 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_m%E1%BB%99t_chi%E1%BB%81u" title="Điện một chiều – виетнамски" lang="vi" hreflang="vi" data-title="Điện một chiều" data-language-autonym="Tiếng Việt" data-language-local-name="виетнамски" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Direct_current" title="Direct current – варай" lang="war" hreflang="war" data-title="Direct current" data-language-autonym="Winaray" data-language-local-name="варай" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wo mw-list-item"><a href="https://wo.wikipedia.org/wiki/Dawaan_gu_w%C3%A9y" title="Dawaan gu wéy – волоф" lang="wo" hreflang="wo" data-title="Dawaan gu wéy" data-language-autonym="Wolof" data-language-local-name="волоф" class="interlanguage-link-target"><span>Wolof</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E7%9B%B4%E6%B5%81%E7%94%B5" title="直流电 – ву китайски" lang="wuu" hreflang="wuu" data-title="直流电" data-language-autonym="吴语" data-language-local-name="ву китайски" 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/%E7%9B%B4%E6%B5%81%E9%9B%BB" title="直流電 – китайски" lang="zh" hreflang="zh" data-title="直流電" data-language-autonym="中文" data-language-local-name="китайски" 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%CC%8Dt-li%C3%BB" title="Ti̍t-liû – Minnan" lang="nan" hreflang="nan" data-title="Ti̍t-liû" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" 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/%E4%B9%BE%E9%9B%BB" title="乾電 – кантонски" lang="yue" hreflang="yue" data-title="乾電" data-language-autonym="粵語" data-language-local-name="кантонски" class="interlanguage-link-target"><span>粵語</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/Q159241#sitelinks-wikipedia" title="Редактиране на междуезиковите препратки" class="wbc-editpage">Редактиране</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="Именни пространства"> <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 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data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Облик</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">преместване към страничната лента</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">скриване</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">от Уикипедия, свободната енциклопедия</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="bg" dir="ltr"><figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/%D0%A4%D0%B0%D0%B9%D0%BB:Tensi%C3%B3n_corriente_continua.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/9c/Tensi%C3%B3n_corriente_continua.svg/220px-Tensi%C3%B3n_corriente_continua.svg.png" decoding="async" width="220" height="126" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/9c/Tensi%C3%B3n_corriente_continua.svg/330px-Tensi%C3%B3n_corriente_continua.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/9c/Tensi%C3%B3n_corriente_continua.svg/440px-Tensi%C3%B3n_corriente_continua.svg.png 2x" data-file-width="401" data-file-height="230" /></a><figcaption>Напрежението при постоянния ток</figcaption></figure> <p><b>Постоянният ток</b> (на <a href="/wiki/%D0%90%D0%BD%D0%B3%D0%BB%D0%B8%D0%B9%D1%81%D0%BA%D0%B8_%D0%B5%D0%B7%D0%B8%D0%BA" title="Английски език">английски</a>: <span lang="en" dir="ltr" style="font-style:italic">direct current</span>, международно означение <b>DC</b>), и често наричан в ежедневието <b>прав ток</b>, е <a href="/wiki/%D0%95%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8_%D1%82%D0%BE%D0%BA" title="Електрически ток">електрически ток</a>, който не се изменя по посока и големина във времето. Характерно за източниците на постоянен ток (в сравнение с тези за променлив) е, че при тях единият им полюс винаги има по-висок <a href="/wiki/%D0%95%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8_%D0%BF%D0%BE%D1%82%D0%B5%D0%BD%D1%86%D0%B8%D0%B0%D0%BB" class="mw-redirect" title="Електрически потенциал">електрически потенциал</a> от другия. Източници на прав ток са токоизправителите, <a href="/wiki/%D0%91%D0%B0%D1%82%D0%B5%D1%80%D0%B8%D1%8F" title="Батерия">батериите</a>, <a href="/wiki/%D0%A1%D0%BB%D1%8A%D0%BD%D1%87%D0%B5%D0%B2%D0%B0_%D0%B1%D0%B0%D1%82%D0%B5%D1%80%D0%B8%D1%8F" title="Слънчева батерия">слънчевите клетки</a>, <a href="/wiki/%D0%94%D0%B8%D0%BD%D0%B0%D0%BC%D0%BE" title="Динамо">динамата</a> (<a href="/wiki/%D0%93%D0%B5%D0%BD%D0%B5%D1%80%D0%B0%D1%82%D0%BE%D1%80" class="mw-redirect" title="Генератор">генераторите</a> на постоянен ток), различните видове сензори и др. Постоянният ток може да протича по <a href="/wiki/%D0%9A%D0%B0%D0%B1%D0%B5%D0%BB" title="Кабел">кабели</a> (метални проводници), но също така и по <a href="/wiki/%D0%9F%D0%BE%D0%BB%D1%83%D0%BF%D1%80%D0%BE%D0%B2%D0%BE%D0%B4%D0%BD%D0%B8%D0%BA" title="Полупроводник">полупроводници</a>, и като следствие на емитирани заредени частици – дори във <a href="/wiki/%D0%92%D0%B0%D0%BA%D1%83%D1%83%D0%BC" title="Вакуум">вакуум</a>. При възникване на електрическа дъга от постоянен ток тя гори много устойчиво. </p> <div class="mw-heading mw-heading2"><h2 id="История"><span id=".D0.98.D1.81.D1.82.D0.BE.D1.80.D0.B8.D1.8F"></span>История</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%D0%9F%D0%BE%D1%81%D1%82%D0%BE%D1%8F%D0%BD%D0%B5%D0%BD_%D1%82%D0%BE%D0%BA&veaction=edit&section=1" title="Редактиране на раздел: История" class="mw-editsection-visualeditor"><span>редактиране</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=%D0%9F%D0%BE%D1%81%D1%82%D0%BE%D1%8F%D0%BD%D0%B5%D0%BD_%D1%82%D0%BE%D0%BA&action=edit&section=1" title="Edit section's source code: История"><span>редактиране на кода</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Първите източници на постоянен ток са били галваничните елементи. Най-старият такъв се смята, че е т.нар. <a href="/wiki/%D0%91%D0%B0%D0%B3%D0%B4%D0%B0%D0%B4%D1%81%D0%BA%D0%B0_%D0%B1%D0%B0%D1%82%D0%B5%D1%80%D0%B8%D1%8F" title="Багдадска батерия">багдадска батерия</a>. По-късно <a href="/wiki/%D0%9B%D1%83%D0%B8%D0%B4%D0%B6%D0%B8_%D0%93%D0%B0%D0%BB%D0%B2%D0%B0%D0%BD%D0%B8" title="Луиджи Галвани">Луиджи Галвани</a> преоткрива <a href="/wiki/%D0%93%D0%B0%D0%BB%D0%B2%D0%B0%D0%BD%D0%B8%D1%87%D0%B5%D0%BD_%D0%B5%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82" title="Галваничен елемент">галваничния елемент</a>. </p><p>Първият постояннотоков генератор с „индустриална“ мощност и широко практическо приложение е изобретен от <a href="/wiki/%D0%A2%D0%BE%D0%BC%D0%B0%D1%81_%D0%95%D0%B4%D0%B8%D1%81%D1%8A%D0%BD" title="Томас Едисън">Томас Едисън</a>, но изобретенията и дългогодишната работа на <a href="/wiki/%D0%9D%D0%B8%D0%BA%D0%BE%D0%BB%D0%B0_%D0%A2%D0%B5%D1%81%D0%BB%D0%B0" title="Никола Тесла">Никола Тесла</a> правят предимствата на <a href="/wiki/%D0%9F%D1%80%D0%BE%D0%BC%D0%B5%D0%BD%D0%BB%D0%B8%D0%B2_%D1%82%D0%BE%D0%BA" title="Променлив ток">променливия ток</a> и съответните генератори очевидни. Постоянният ток обаче не е напълно отхвърлен. Първоначално за токоизправяне на променливия ток са се използвали <a href="/wiki/%D0%A0%D0%BE%D1%82%D0%B0%D1%86%D0%B8%D0%BE%D0%BD%D0%B5%D0%BD_%D0%BF%D1%80%D0%B5%D0%BE%D0%B1%D1%80%D0%B0%D0%B7%D1%83%D0%B2%D0%B0%D1%82%D0%B5%D0%BB" title="Ротационен преобразувател">ротационни преобразуватели</a> и други механични изправители. По-късно се разработват плазмени, лампови, полупроводникови <a href="/wiki/%D0%A2%D0%BE%D0%BA%D0%BE%D0%B8%D0%B7%D0%BF%D1%80%D0%B0%D0%B2%D0%B8%D1%82%D0%B5%D0%BB" title="Токоизправител">токоизправители</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Приложение"><span id=".D0.9F.D1.80.D0.B8.D0.BB.D0.BE.D0.B6.D0.B5.D0.BD.D0.B8.D0.B5"></span>Приложение</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%D0%9F%D0%BE%D1%81%D1%82%D0%BE%D1%8F%D0%BD%D0%B5%D0%BD_%D1%82%D0%BE%D0%BA&veaction=edit&section=2" title="Редактиране на раздел: Приложение" class="mw-editsection-visualeditor"><span>редактиране</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=%D0%9F%D0%BE%D1%81%D1%82%D0%BE%D1%8F%D0%BD%D0%B5%D0%BD_%D1%82%D0%BE%D0%BA&action=edit&section=2" title="Edit section's source code: Приложение"><span>редактиране на кода</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Постоянният ток е фундаментален за работата на всички електронни устройства, като се използва за захранването на постояннотокови двигатели, зареждане на акумулаторни батерии, заваръчни агрегати, електролиза и други електрохимични процеси и в комуникационната техника. Макар и доста устройства в бита да са захранвани от променлив ток, то тяхната основна електроника работи на постоянен ток, като това става с помощта на <a href="/wiki/%D0%A2%D0%BE%D0%BA%D0%BE%D0%B8%D0%B7%D0%BF%D1%80%D0%B0%D0%B2%D0%B8%D1%82%D0%B5%D0%BB" title="Токоизправител">полупроводникови токоизправители</a>. Изграждат се също и високоволтови постояннотокови мрежи за пренос на <a href="/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%B5%D0%BD%D0%B5%D1%80%D0%B3%D0%B8%D1%8F" title="Електрическа енергия">електрическа енергия</a> (<i>High-voltage direct current, HVDC</i>). Предимствата на такава мрежа са много по-малкият брой проводници на единица разстояние, отколкото за променливотокова линия, тъй като не са необходими три фази, отсъства скинефект, няма загуби поради <a href="/wiki/%D0%98%D0%BD%D0%B4%D1%83%D0%BA%D1%82%D0%B8%D0%B2%D0%BD%D0%BE%D1%81%D1%82" title="Индуктивност">индуктивност</a> и <a href="/wiki/%D0%95%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8_%D0%BA%D0%B0%D0%BF%D0%B0%D1%86%D0%B8%D1%82%D0%B5%D1%82" title="Електрически капацитет">капацитет</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Вижте_също"><span id=".D0.92.D0.B8.D0.B6.D1.82.D0.B5_.D1.81.D1.8A.D1.89.D0.BE"></span>Вижте също</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%D0%9F%D0%BE%D1%81%D1%82%D0%BE%D1%8F%D0%BD%D0%B5%D0%BD_%D1%82%D0%BE%D0%BA&veaction=edit&section=3" title="Редактиране на раздел: Вижте също" class="mw-editsection-visualeditor"><span>редактиране</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=%D0%9F%D0%BE%D1%81%D1%82%D0%BE%D1%8F%D0%BD%D0%B5%D0%BD_%D1%82%D0%BE%D0%BA&action=edit&section=3" title="Edit section's source code: Вижте също"><span>редактиране на кода</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/%D0%9F%D1%80%D0%BE%D0%BC%D0%B5%D0%BD%D0%BB%D0%B8%D0%B2_%D1%82%D0%BE%D0%BA" title="Променлив ток">Променлив ток</a></li></ul> <div class="plainlinks" style="margin-top:1em;display:table"><div style="float:left;width:32px;overflow:hidden"><span typeof="mw:File"><a href="/wiki/%D0%A4%D0%B0%D0%B9%D0%BB:Science.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/54/Science.jpg/30px-Science.jpg" decoding="async" width="30" height="32" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/54/Science.jpg/45px-Science.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/54/Science.jpg/60px-Science.jpg 2x" data-file-width="70" data-file-height="75" /></a></span></div><div style="margin-left:37px"><i>Тази статия, свързана с <a href="/wiki/%D0%A4%D0%B8%D0%B7%D0%B8%D0%BA%D0%B0" title="Физика">физика</a>, все още е <a href="/wiki/%D0%A3%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:%D0%9C%D1%8A%D0%BD%D0%B8%D1%87%D0%B5" title="Уикипедия:Мъниче">мъниче</a>. Помогнете на Уикипедия, като я <a class="external text" href="https://bg.wikipedia.org/w/index.php?title=%D0%9F%D0%BE%D1%81%D1%82%D0%BE%D1%8F%D0%BD%D0%B5%D0%BD_%D1%82%D0%BE%D0%BA&action=edit">редактирате</a> и разширите.</i></div></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Взето от „<a dir="ltr" href="https://bg.wikipedia.org/w/index.php?title=Постоянен_ток&oldid=11047444">https://bg.wikipedia.org/w/index.php?title=Постоянен_ток&oldid=11047444</a>“.</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%9A%D0%B0%D1%82%D0%B5%D0%B3%D0%BE%D1%80%D0%B8%D0%B8" title="Специални:Категории">Категории</a>: <ul><li><a href="/wiki/%D0%9A%D0%B0%D1%82%D0%B5%D0%B3%D0%BE%D1%80%D0%B8%D1%8F:%D0%95%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%B5%D1%81%D1%82%D0%B2%D0%BE" title="Категория:Електричество">Електричество</a></li><li><a href="/wiki/%D0%9A%D0%B0%D1%82%D0%B5%D0%B3%D0%BE%D1%80%D0%B8%D1%8F:%D0%95%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%BE%D0%BC%D0%B0%D0%B3%D0%BD%D0%B5%D1%82%D0%B8%D0%B7%D1%8A%D0%BC" title="Категория:Електромагнетизъм">Електромагнетизъм</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Скрита категория: <ul><li><a href="/wiki/%D0%9A%D0%B0%D1%82%D0%B5%D0%B3%D0%BE%D1%80%D0%B8%D1%8F:%D0%9C%D1%8A%D0%BD%D0%B8%D1%87%D0%B5%D1%82%D0%B0_%D0%B7%D0%B0_%D1%84%D0%B8%D0%B7%D0%B8%D0%BA%D0%B0" title="Категория:Мъничета за физика">Мъничета за физика</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"> Последната промяна на страницата е извършена на 7 юли 2021 г. в 09:10 ч.</li> <li id="footer-info-copyright">Текстът е достъпен под лиценза <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.bg">Creative Commons Признание-Споделяне на споделеното</a>; може да са приложени допълнителни условия. 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