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The paper summarises the experience, availability and evolution of the system within 10 years of operation. The lessons learned from the successful replacement and re-commissioning of one cryomodule with a spare module, and the recent re-test of the originally installed module on the test stand are also included. Finally, a review of currently launched spare cavity production and long-term developments are presented. Turaj, Katarzyna; Arnaudon, Luca; Baudrenghien, Philippe; Brunner, Olivier; Butterworth, Andrew; Gerigk, Frank; Karppinen, Mikko; Maesen, Pierre; Montesinos, Eric; Peauger, Franck; Rosaz, Guillaume; Shaposhnikova, Elena; Smekens, David; Taborelli, Mauro; Therasse, Mathieu; Timko, Helga; Valuch, Daniel; Valverde Alonso, Nuria; Venturini Delsolaro, Walter" /> <meta name="keywords" content="cavity, cryomodule, operation, injection, MMI" /> <script type="text/javascript" src="https://cds.cern.ch/js/jquery.min.js"></script>  <link rel="stylesheet" href="https://cds.cern.ch/img/webnews.css" type="text/css" />  <script type="text/javascript" src="https://cds.cern.ch/js/webnews.js?v=20131009"></script> <meta property="fb:app_id" content="137353533001720"/>  <meta content="JACoW : Operation Experience with the LHC ACS RF System" name="citation_title" /> <meta content="Turaj, Katarzyna" name="citation_author" /> <meta content="Montesinos, Eric" name="citation_author" /> <meta content="Smekens, David" name="citation_author" /> <meta content="Therasse, Mathieu" name="citation_author" /> <meta content="Taborelli, Mauro" name="citation_author" /> <meta content="Karppinen, Mikko" name="citation_author" /> <meta content="Venturini Delsolaro, Walter" name="citation_author" /> <meta content="Brunner, Olivier" name="citation_author" /> <meta content="Baudrenghien, Philippe" name="citation_author" /> <meta content="Rosaz, Guillaume" name="citation_author" /> <meta content="Shaposhnikova, Elena" name="citation_author" /> <meta content="Butterworth, Andrew" name="citation_author" /> <meta content="Timko, Helga" name="citation_author" /> <meta content="Valuch, Daniel" name="citation_author" /> <meta content="Arnaudon, Luca" name="citation_author" /> <meta content="Peauger, Franck" name="citation_author" /> <meta content="Valverde Alonso, Nuria" name="citation_author" /> <meta content="Gerigk, Frank" name="citation_author" /> <meta content="Maesen, Pierre" name="citation_author" /> <meta content="10.18429/JACoW-SRF2019-THP031" name="citation_doi" /> <meta content="913-916" name="citation_firstpage" /> <meta content="2019" name="citation_publication_date" /> <meta name="citation_online_date" content="2020/03/10"> <meta content="SRF2019" name="citation_technical_report_number" /> <meta content="10.18429/JACoW-SRF2019-THP031" name="citation_doi" /> <meta name="citation_pdf_url" content="https://cds.cern.ch/record/2712616/files/10.18429_JACoW-SRF2019-THP031.pdf" />  <meta content="Operation Experience with the LHC ACS RF System" property="og:title" /> <meta content="JACoW" property="og:title" /> <meta content="website" property="og:type" /> <meta content="website" property="og:type" /> <meta content="https://cds.cern.ch/record/2712616" property="og:url" /> <meta content="CERN Document Server" property="og:site_name" /> <meta content="The LHC accelerating RF system consists of two cryomodules per beam, each containing four single-cell niobium sputtered 400.8 MHz superconducting cavities working at 4.5 K and an average accelerating voltage of 2 MV. The paper summarises the experience, availability and evolution of the system within 10 years of operation. The lessons learned from the successful replacement and re-commissioning of one cryomodule with a spare module, and the recent re-test of the originally installed module on the test stand are also included. Finally, a review of currently launched spare cavity production and long-term developments are presented." property="og:description" /> <meta content="JACoW" property="og:description" />  <meta content="summary" name="twitter:card" /> <meta content="summary" name="twitter:card" /> <style></style> </head> <body class="CERN32Document32Server search" lang="pl">  <div id="cern-toolbar"> <h1><a href="http://cern.ch" title="CERN">CERN <span>Accelerating science</span></a></h1> <ul> <li class="cern-accountlinks"><a class="cern-account" href="https://cds.cern.ch/youraccount/login?ln=pl&referer=https%3A//cds.cern.ch/record/2712616/export/hx%3Fln%3Dpl" title="Sign in to your CERN account">Sign in</a></li> <li><a class="cern-directory" href="http://cern.ch/directory" title="Search CERN resources and browse the directory">Directory</a></li> </ul> </div>   <div role="banner" class="clearfix" id="header"> <div class="header-inner inner"> <hgroup class="clearfix"> <h2 id="site-name"> <a rel="home" title="Home" href="/"><span>CERN Document Server</span></a> </h2> <h3 id="site-slogan">Access articles, reports and multimedia content in HEP</h3> </hgroup> <div role="navigation" id="main-navigation" class="cdsmenu"> <h2 class="element-invisible">Main menu</h2><ul class="links inline clearfix"> <li class="menu-386 first active-trail"><a class="active-trail" href="https://cds.cern.ch/?ln=pl">Szukaj</a></li> <li class="menu-444 "><a class="" title="" href="https://cds.cern.ch/submit?ln=pl">Dodaj</a></li> <li class="menu-426 "><a class="" href="https://cds.cern.ch/help/?ln=pl">Pomoc</a></li> <li class="leaf hassubcdsmenu"> <a hreflang="en" class="header" href="https://cds.cern.ch/youraccount/display?ln=pl">Ustawienia</a> <ul class="subsubcdsmenu"><li><a href="https://cds.cern.ch/youralerts/list?ln=pl">Your alerts</a></li><li><a href="https://cds.cern.ch/yourbaskets/display?ln=pl">Your baskets</a></li><li><a href="https://cds.cern.ch/yourcomments?ln=pl">Your comments</a></li><li><a href="https://cds.cern.ch/youralerts/display?ln=pl">Your searches</a></li></ul></li> </ul> </div> </div> </div>  <table class="navtrailbox"> <tr> <td class="navtrailboxbody"> <a href="/?ln=pl" class="navtrail">Główna</a> > <a class="navtrail" href="/record/2712616">Operation Experience with the LHC ACS RF System</a> > BibTeX </td> </tr> </table> </div> <div class="pagebody"><div class="pagebodystripemiddle"> <pre> @article{Turaj:2712616, author = "Turaj, Katarzyna and Arnaudon, Luca and Baudrenghien, Philippe and Brunner, Olivier and Butterworth, Andrew and Gerigk, Frank and Karppinen, Mikko and Maesen, Pierre and Montesinos, Eric and Peauger, Franck and Rosaz, Guillaume and Shaposhnikova, Elena and Smekens, David and Taborelli, Mauro and Therasse, Mathieu and Timko, Helga and Valuch, Daniel and Valverde Alonso, Nuria and Venturini Delsolaro, Walter", title = "{Operation Experience with the LHC ACS RF System}", reportNumber = "SRF2019", pages = "913-916", year = "2019", url = "https://cds.cern.ch/record/2712616", doi = "10.18429/JACoW-SRF2019-THP031", } </pre></div></div> <footer id="footer" class="pagefooter clearfix">  <div class="pagefooterstripeleft"> CERN Document Server :: <a class="footer" href="https://cds.cern.ch/?ln=pl">Szukaj</a> :: <a class="footer" href="https://cds.cern.ch/submit?ln=pl">Dodaj</a> :: <a class="footer" href="https://cds.cern.ch/youraccount/display?ln=pl">Ustawienia</a> :: <a class="footer" href="https://cds.cern.ch/help/?ln=pl">Pomoc</a> :: <a class="footer" href="https://cern.service-now.com/service-portal?id=privacy_policy&se=CDS-Service" target="_blank">Privacy Notice</a> <br /> System <a class="footer" href="http://invenio-software.org/">Invenio</a> <br /> Administrator <a class="footer" href="https://cern.service-now.com/service-portal?id=service_element&name=CDS-Service">CDS Service</a> - Need help? 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