EN-50395-2005-低压电缆的电气试验方法

©2005CENELEC-AllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENELECmembers.Ref.No.EN50395:2005EICS29.060.20PartlysupersedesHD21.2S3:1997+A1:2002&HD22.2S3:1997+A1:2002EnglishversionElectricaltestmethodsforlowvoltageenergycablesMéthodesd'essaisélectriquespourlescâblesd'énergiebassetensionElektrischePrüfverfahrenfürNiederspannungskabelund-leitungenThisEuropeanStandardwasapprovedbyCENELECon2005-07-01.CENELECmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENELECmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENELECmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficialversions.CENELECmembersarethenationalelectrotechnicalcommitteesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Slovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom.–2–ForewordThisEuropeanStandardwaspreparedbytheTechnicalCommitteeCENELECTC20,Electriccables.InaccordancewiththedecisionofTC20atitsSetubalmeeting(June2004),thetextofthedraftwassubmittedtotheformalvote.ItwasapprovedbyCENELECasEN50395on2005-07-01.ThisEuropeanStandard,togetherwithEN50396:2005,supersedesHD21.2S3:1997+A1:2002andHD22.2S3:1997+A1:2002.Thefollowingdateswerefixed:–latestdatebywhichtheENhastobeimplementedatnationallevelbypublicationofanidenticalnationalstandardorbyendorsement(dop)2006-07-01–latestdatebywhichthenationalstandardsconflictingwiththeENhavetobewithdrawn(dow)2008-07-01__________--``,,`,,`,```,,,`,`,```````,,`-`-`,,`,,`,`,,`---–3–EN50395:2005ContentsPageIntroduction.............................................................................................................................................51Scope................................................................................................................................................52Normativereferences......................................................................................................................53Generalrequirements.....................................................................................................................63.1Pre-conditioning......................................................................................................................63.2Testtemperature....................................................................................................................63.3Testvoltage............................................................................................................................63.4Testvalues.............................................................................................................................64Definitions........................................................................................................................................65Electricald.c.resistanceofconductor.........................................................................................66Voltagetestoncompletedcable...................................................................................................67Voltagetestoncoresinwater.......................................................................................................77.1Testsample............................................................................................................................77.2Procedure...............................................................................................................................77.3Requirement...........................................................................................................................78Insulationresistancetest...............................................................................................................78.1Insulationresistanceforcableshavingmaximumconductortemperaturesnotexceeding90°C...............................................................................................................78.1.1Testsample...............................................................................................................78.1.2Procedure..................................................................................................................88.1.3Requirement...................................................