IEC 61558-2-1-2021.docx
IECIEC61558-2-1Edition3.02021-04INTERNATIONA1.STANDARDGROUPSAFETYPUB1.ICATIONSafetyoftransformers,reactors,powersupp1.yunitsandcombinationsthereof-Part2-1:Particu1.arrequirementsandtestsforseparatingtransformersandpowersupp1.yunitsincorporatingseparatingtransformersforgenera1.app1.icationsTHISPUB1.ICATIONISCOPYRIGHTPROTECTEDCopyright©2021IEC,Geneva,Switzer1.andA1.1.rightsrcs<jrvodUn1.essBhorwtscspecified,noPtanofthsPUbIEartkximaybercpr<iuccdorUti1.izedinanyformorbyanymeans,tfectroncOrmechanica1.,inc1.udingpbo(ccopy11gandECrOfiIm.wthoutpermission11WhUnqfrometherIECorIECsmemberNationa1.Cammi1.teeinIhecountryoftherequester.Hyouhaveanyquestionsabou1.IECcopyright<xhaveanenquiryatou1.Obiwningadditiona1.rightstothispuWicatio11,pteasecontactteaddressZ1.OWOr)»our1.oca1.IECmemberNationa1.Committeeforfurtherinformation.IECCentra1.OHiccTd:441229W02113.ruedeVarembG11r<g>cchCH-1211Geneva20*ww.iec.chSwitzer1.andAbou1.theIECTheInternabona1.Etectrotechnica1.Commisskxi(IEC)isthe1.eadingg1.oba1.organizationthatpreparesa11dPUdisheSInternabona1.Starxjafdsfora1.1.e1.ectricaJ.e1.ectronicandre!edtechno1.ogies.Abou1.IECpub1.icationsThetechnica1.contentofIECpub1.icationsi$keptunderoosUntreviewbytheIECPkjascmakesixothatyouhavethe1.atestedU.a<×xnge11dmoranamendmentcn>ghthavebeenpub1.sd.IECon1.ineco1.1.ectionocec.chDiscoverourPowCrfU1.searchengineandroodIrMya1.1.thePUb1.Ea!tonsPreVIewaWithaSutecnpt1.onyouMIIa1.wayshaveaccesstoupto<fetcco111o11(Iaikxod1oyourneeds.E1.ectropedia-www.e1.ectropedia.orgIhewod<fsIeadngon1.inedictionaryonetec!ftchno1.ogy.1.aningmorethan22OOOtermnocgicentriesinE11g*shandFrench,withequZa怜CItermsIBaddf1.kxiai1.anguagesA1.soknownastheInternationa1.Etearotechnca1.VocabUary(IEV)onine.IECpub1.icationssearch-WebstorejecxhadvsearchformTeadvancedsearchenab1.estofind正Cpub1.icationsbyavarietyofcriteria(referencenumber.text,mittee.Bta&>givesnformabononprojects,rp1.(>ccdandW1.hdfawnPIjto1.ICa1.1.Ons.IECJustPub1.ishedwebs1.ore.iec.ch,justpub1.ishedStayuptoda1.eona1.1.newIECPUHiCatiOns.JuetPubisheddetai1.sa1.1.gwPUb1.ca1»OnSreteasedAvai1.ab1.eon1.ineandonceamonthbyomaIECCustomerServiceCentre-webstor.ec.chcscMyouwishtogfveusyourIeedcGCkonthispuW1.catioorneedfurtherass*sta11ce,p1.easetacttheCustomerServiceC(Xfe:sates»ec.ch.IEC61558-2-1Edition3.0202104INTERNATIONA1.STANDARDGROUPSAFETYPUB1.ICATIONSafetyoftransformers,reactors,powersupp1.yunitsandcombinationsthereof-Part2-1:Particu1.arrequirementsandtestsforseparatingtransformersandpowersupp1.yunitsincorporatingseparatingtransformersforgenera1.app1.icationsINTERNATIONA1.E1.ECTROTECHNICA1.CoMMISS1.ONICS29.180ISBN978-2-8322-9696-7Warning!Makesurethatyouobtainedthispub1.icationfromanauthorizeddistributor.,Rcr3YAztenfo1.1.tkto<fU!a<VCONTENTSFOREWORD3INTRODUCTION51 ScopO62 Normativeroferoccs73 Termsanddefinitions74 Genera1.requirements75 Genera1.notesontests76 Ratings87 C1.assification88 Markingandotherformation89 Protctiagainste1.ectricshock910 Changeofinputvo1.tagesetting911 Outputvo1.tageandOU1.PUIcurrentunder1.oad912 No-1.oadoutputvo1.tage913 Short-Ocurtvo1.tage1014 Heating1015 Short-Circurtandover1.oadprotection1016 Mechanica1.strength1117 Protec1.iagainstharmfu1.ingressofdust,so1.idobjectsandmo*sture1118 Insu1.ationresistance,die1.ectricstrengthand1.eakagecurrentIi19 Construction1120 Components1121 Interna1.wiring1122 Supp1.yconnectionandotherexterna1.f1.exiWecaWorcords1123 Termina1.sforexterna1.conductors1124 Provisionsforprotectiveea11hig.1125 Screwsandconnections1126 Creepagedistances.C1.OaranCCSanddistancesthroughinsu1.ation1127 Resistancetoheat,fireandtracking1128 Resistancetorusting12Annexes13Bib1.iography14TaWe101-SyEbOteindicatingthekindoftransformer9Tabte102-Outputvo1.tageratio10ImissionSAFETYOFTRANSFORMERS,REACTORS,POWERSUPP1.YUNITSANDCOMBINATIONSTHEREOF-Part2-1:Particu1.arrequirementsandtestsforseparatingtransformersandpowersupp1.yunitsincorporatingseparatingtransformersforgenera1.app1.icationsFOREWORD1) TheIrrtemaiionaiEec1.roiechnica1.Commission(IEC)awor1.dwideorgamzabonforSgrXJaKSmittees(IECNationa1.Committees).TheobjectcIECisIopromotei11wmaonaco-opratxonai1.qestsCoaCemingS1.andardizaikxiinth©Gtectnca1.and1.dr<xicf*1.ds.TothisendandinadibontoO1.bCracbv>cs.IECPgIiSbCSIn1.cmatkxia1.Standards,Technica1.Spcdficabons.Technica1.Repos.PuttdyAva1.IabJeSpeci1.kjatkxis(PAS)andGudes(hereaf<referredtoas'ECPUb1.iCaIiOESj)TMirpfoparatiscntrus1.odImittocs:anyIECNationa1.Commntocintcrcs1.cdinthesubjectdea1.twhmayparticipate力thispceprakxywork.Intemaiiona1.governtnenia1.andrxx-govcr11EoEX<xga11izatkxsSaiSing*iththeIECa1.soPJrtiQPaiBinthspreparation.IECcoabcxa1.csc1.ose1.ywiththeInternationa