【英文标准名称】:Convertortransformers-Part1:Transformersforindustrialapplications
【原文标准名称】:变流变压器第1部分:工业用变流变压器
【标准号】:IEC61378-1-1997
【标准状态】:作废
【国别】:国际
【发布日期】:1997-09
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC14
【标准类型】:()
【标准水平】:()
【中文主题词】:电力变压器;变压器;电气工程;试验;转炉(金属)
【英文主题词】:Chokes(electric);Convertors(metals);Couverters;Dimensioning;Electricalengineering;Measurement;Powertransformers;Ratedvoltages;Servicevoltage;Testing;Transformers
【摘要】:ThisInternationalStandarddealswiththespecification,designandtestingofpowertransformersandreactorswhichareintendedforintegrationwithinsemiconductorconvertorplants;itisnotapplicabletotransformersdesignedforindustrialorpublicdistributionofa.c.poweringeneral.Thescopeofthisstandardislimitedtoapplicationsofpowerconvertors,ofanypowerrating,forlocaldistribution,atmoderateratedconvertorvoltage,generallyforindustrialapplicationsandtypicallywithahighestvoltageforequipmentnotexceeding36kV.ThisstandardisnotapplicabletotransformersforHVDCpowertransmission.Thesearehigh-voltagetransformers,andtheyaresubjectedtod.c.voltagetests.Thestandardsforthecompleteconvertorplant(IEC60146,orotherpublicationsdedicatedtoparticularfieldsofapplication)maycontainrequirementsofguaranteesandtests(suchasinsulation,powerloss)forthewholeplant,includingtheconvertortransformerandpossiblyauxiliarytransformersandreactorequipment.Thisdoesnotrelievetheapplicationoftherequirementsofthisstandardconcerningtheguaranteesandtestsapplicabletotheconvertortransformeritselfasaseparatecomponentbeforebeingassembledwiththeremainderoftheconvertorplant.Theguarantees,serviceandtypetestsdefinedinthisstandardapplyequallytotransformerssuppliedaspartofanoverallconvertorpackage,ortothosetransformersorderedseparatelybutforusewithconvertorequipment.Anysupplementaryguaranteeorspecialverificationhastobespecificallyagreedinthetransformercontract.Theconvertortransformerscoveredbythisstandardmaybeoftheoil-immersedordry-typedesign.Unlessspecificexceptionsarestatedinthisstandard,thetransformersarerequiredtocomplywithIEC60076foroil-immersedtransformers,andwithIEC60726fordry-typetransformers.NOTES1Forsomeconvertorapplications,itispossibletousecommondistributiontransformersofstandarddesign.Theuseofsuchstandardtransformersinthespecialconvertorapplicationsmayrequireacertainderating.Thismatterisnotspecificallycoveredinthisstandard,whichdealswiththerequirementstobeplacedonspeciallydesignedunits.Itispossibletoestimatethisderatingfromtheformulaegivenin5.1,andalsofromclause9ofIEC60076-8.2Wheredry-typetransformersareused,specialcareshouldbetakeninconsideringtheshorttimeconstantsapplicableandtheincreasededdycurrentsflowinginthelargercross-sectionconductorsorfoilwindings.Thisstandardonlydealswithtransformerswithoneactivepartandoneinterphasetransformer.Forseveralactivepartsinthesametank,anagreementbetweenthepurchaserandmanufacturerisnecessaryregardingthedeterminationandthemeasurementofthetotallosses.ThisstandarddealsonlywithtransformerstarYanddelta△connections.Forotherconnectionsanagreementbetweenpurchaserandmanufacturerisnecessary.
【中国标准分类号】:K41
【国际标准分类号】:29_180
【页数】:57P;A4
【正文语种】:英语