IEC 61558-2-4-2021.docx

IEC61558-2-4Edition3.02021-05INTERNATIONA1.STANDARDGROUPSAFETYPUB1.ICATIONSafetyoftransformers,reactors,powersupp1.yunitsandcombinationsthereof-Part2-4:Particu1.arrequirementsandtestsforiso1.atingtransformersandpowersupp1.yunitsincorporatingiso1.atingtransformersforgenera1.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.IEC61558-2-4Edition3.02021-05INTERNATIONA1.STANDARDGROUPSAFETYPUB1.ICATIONSafetyoftransformers,reactors,powersupp1.yunitsandcombinationsthereof-Part2-4:Particu1.arrequirementsandtestsforiso1.atingtransformersandpowersupp1.yunitsincorporatingiso1.atingtransformersforgenera1.app1.icationsINTERNATIONA1.E1.ECTROTECHNICA1.CoMMISS1.ONICS29.180ISBN9782832297902Warning!Makesurethatyouobtainedthispub1.icationfromanauthorizeddistributor.，Rcr3YAztenfo1.1.tkto<fU!a<VCONTENTSFOREWORD3INTRODUCTION61 Scopo72 Normativereferences83 Termsanddefinitions84 Genera1.requirements85 Genera1.notesontests86 Ratings97 C1.assification.98 MarkingandotherEocnation99 Protctiagainste1.ectricshock1010 Changeofinputvo1.tagesetting1011 Outputvo1.tageandOU1.PUIcurrentunder1.oad1012 No-1.oadoutputvo1.tage1013 Short-Ocurtvo1.tage1114 Heating.1115 Short-Circurtandover1.oadprotection1116 Mechanica1.strength1217 Protec1.iagainstharmfu1.ingressofdust,so1.idobjectsandmo*sture1218 Insu1.ationresistance,die1.ectricstrengthand1.eakagecurrent1219 Construction1220 Components1221 Interna1.wiring1222 Supp1.yconnectionandotherexterna1.f1.exiWecaWorcords1223 Termina1.sforexterna1.conductors1224 Provisionsforprotectiveea11hig.1225 Screwsandconnections1226 Creepagedistances.C1.OaranCCSanddistancesthroughinsu1.ation1227 Resistancetoheat,fireandtracking1228 Resistancetorusting13Annexes14Bib1.iography15TaWe101-SyEbOteindicatingthekindoftransformer10Tabte102-Outputvo1.tageratio11ImissionSAFETYOFTRANSFORMERS,REACTORS,POWERSUPP1.YUNITSANDCOMBINATIONSTHEREOF-Part2-4:Particu1.arrequirementsandtestsforiso1.atingtransformersandpowersupp1.yunitsincorporatingiso1.atingtransformersforgenera1.app1.icationsFOREWORD11TheInuxnatksna1.E1.oc1.ro1.cchnica1.Co11wn*sson(IEC)isawor1.dw>ccorgamzahonforstandIara7;IIiOnCOrrPrisingMmittees(CNationa1.Co11mttsTheoe(MECstopromotei11temato三!cooe<ationona1.1.questionsconcerningstandardizationtthee1.ec!fca1.ande1.ectronicfie1.ds.To1.hendandinadtxtootherarvriies.IECpub1.ishesInternationa1.Standards.Technca1.SpecH>ca:xs.Technica1.Reports,Pub1.ic1.yAvai1.ab1.eSpecifications(PAS)arriGuides(heceafierreferredtoasIECPuMication(三),).Tberprepara1.kmittees:anyECNationa1.Committeeinterestedrithesubjectdea1.twthmaypartiopau?inthisWCNraXXyWOCkIn1.ornationa1.,goxwimcn1.a1.a11dnongownnxjn1.a1.organizations1.iaisingwtthteIECa1.sop<adidpa½tntNspreparation.IECCd1.aboratesCtoee1.ywtthe1.nmatonaOrganizationforStandardization(ISO)inaccordancewthconditionsdc1.c11nincdbyagreementbotwoc11themk>Organizatkxis2Thekxma1.dedo11sOfagreementsO1.1.EContechnica1.mattersexpress,asnear1.yasossiWe.animernabona1.consensusofopniononth©mitteehasrepresenUDonfromaMWrCStCdIECNatkxia1.ConVn1.HXS3IECPub1.cationshavethekxmorrecommendationsfoeirrtef11at1.aiuseandareaccepdbyIECNationaJCo11vt11snthatsense.Whi1.ea1.1.reasonab1.eHo11sar©madeto11suthatthetechnica1.nt11to1IECPub1.icaiionsisaccurate.IECCanM1.behe<dresponsiWefortewayinwhichtheyareusedorforanymfe1.nefetat)Wanyenduser.4) Inordertopromoteinternationa1.uniformity.IECNabona1.CommiKecsundertake1oapprIECPuWicatkxistransparent1.yk>themaximumextentposab1.eInIbeUa>oaandre9kxia1.PUb1.CatIons.Anydvergencebe<veenanyIECPUmCagnandth©COrreSPoGdmgnationa1.OCregiona1.p1.icatkxsha1.1.bedea11yndcawdnthe1.atter5) IECitse1.!doesM1.provideanyattettionofco11kxmity.IncJependentCeni1.icattonbodtesprovideconformityassessmentserversand.Insomeareas,accesstoIECmarksofconformity.IECisnotresponsiveforanyservicescarriedoutbyindependentcertH>catxbodies.61A1.1.usersshou1.densureIha1.theyhavethehieseditionof1.hpub1.ication.7NoIiabiiTysha1.1.attachtoIECorrtsdifeckxs.emp1.oyees,servants<xagentsnddgindividua1.expertsandmemberscmitteesandECNationa1.Committeesforanypersona1.irury.PrOPSCydamage<xotherdamageaanynaturewhatsoever.whetherdirectorirxSrect.foecosts(inc1.uding1.ega1.feesandexpensesarisingoutdthePUbICaUon.us©<OreWDCeupon.thtsECPut1.icationoranyotherECPub1.ications.8) AnenoonIsdrawk>theWOfmfttZere<erencescitedthispuWicatio.Useo1.thereterencedub1.ica1.onsi11dispc11saWcforthcorrectappcationo1.thisPUWi3h0119Attentionisdrawn10!hepossibi1.itythatsomeofIhedementsofthisIECPutticabonmaybethesubjecto1.p1.en!rights.ICsha1.1.notbehe1.dresporto1.eforIdQrrtity1.nganyora1.1.suchpatentrights.Internationa1.standardIEC61558-2-4hasbeenpreparedbyIECtechnica1.mmittee96:Transformers,reactors,powersupp1.yunitsandcombinationsthereof.ThisIhrdCdiUoncance1.andrep1.acesthesecondedi1.>onPUbkShedm2009T<sedition11strtu1.esatechnica1.revision.Thiseditioninc1.udesIhefo1.ioWingsignificanttechnica1.changeswithrespecttotheprevious<X>tion:a) adjustmentofstructureandreferencesinaccordancewithIEC6155812017;b) descriptionofcstructonsmovedtoIEC6155812O17;C)anewsymbo1.forPOWersupp1.yunitMh1.inear1.yregu1.atedoutputvo1.tage.Thetextofthisinternationa1.Standardisbasedontheto1.1.owingdocumentsFu1.1.informationonthevotitheabovetab1.e.Symbo1.orphica1sym1.Exp1.anationortit1.eFa1.1.-sateIso1.atingtransformerThe1.anguageusedforthedeve1.opmentofthisInternatOna1.StandardisEng1.ish.“anceWithISO门ECDirectives,Pan2,anddeve1.opedinThisdocumentwasdraftedinaccoacrdancwithISQ'IECDirectives.Part1andSO'IEqrR>哈的讨函Nn4bfeterEgratvw.ic.ch,mmbrs-xprts,rfdocs.Themaindotumenttypesdeve1.opedbyIECar©describedingreaterdetai1.atvv.ic,chstandardsdv.Jubfecations.Ithasthestatusofagroupsafetypub1.icationinaccord，11cewithIECGUidG104.ThisInternationa1.Standardistobeusedinjunctk)n>mw,1.na,rans,o,mr(inherent/orn-nhe<ent!NOTEV/hen-Partismentionedinthisstandard,trefersIEC61558-1:2017.ThisdocumentSupp1.ementsormodifiestheCOfrGSpOnCi11gc1.ausesinIEC6155812017.soastoconvertthatpub1.icationtotheIECstandard:PaGo前确峰时亦也福盘科S侬iso1.atingtransformersandpowerSUPP1.yunitstncorbo<atigsorngtransformersforgeneratappi/cations.IdentUicaIiaIEC60417-5222EC60417-544:201EC60417-545:201IEC60417.6210:201transformers,reactors,powersppfyunitsandtwwt<M跳电08«幄CCH.canbefoundonheIECRagbetweenno-1.oadoutputvo1.tagewebsit.RatedoutputVAandoutputVoIIdQeunder1.oad%Futurestandardsinthisseriesv4J3yfargWQRpra1.tit1.eascitedabove.Tit1.esof(xisti11gStaMardSinthisseriesbe吧蝙翻呢曲战edition.Wherethisdocumentstates*ac湍洸力图法品配器嘿然erne".there1.evanttextofIEC61558-1:2017istobeatiaptBg1.g3ing1.y.201510FD1.SFpo11onvoting年SgFDIS然*511.'RVDInthisdocument,thefo1.1.owingprinttypesareused: requirementsproper:inromantype: IeStspef>cations:inita1.ictype. exp1.anatorymatterrsma1.1.erromantypeinthetextotthisdocument,thewordsinbo1.darcdefinedinC1.ause3Subc1.auses.notes,figuresandtab1.esadditiona1.tothoseinIEC61558-1:2017arenumberedstartingIr(Xn101;supp1.ementaryannexesareomittedAA.BB.etc.ThoComnMtQChasdocx1.cdthatthettsofthisdocumentwi1.1.remainunchangedunti1.thestabi1.itydateindicatedonth©IECWGbSiteunderwebstore.iec.chinthedatare1.atedtoth©specificdocument.Atthisdate,thedocumentwi1.1.b reconfirmed. withdrawn. repacedbyarevisededition,or amendedINTRODUCTIONIECTC96hasgroupsafe1.yfunctioninaccordancewithIECGuide104fortransformersotherthanthoseintendedtosupp1.ydistributionnetworks,inparticu1.artransformersandPOWersupp1.yunitsintendedtoa1.1.owtheapp1.icationofpcotectiv©measuresagainste1.ectricshockasdefinedbyTC64.butincertaincasesinc1.uding1.imitationofvo1.tageandhorizonta1.safetyfunctionfoeSE1.VinaccordancewithIEC60364441.Thegroupsafetyfunction(GSF)isnecessarybecauseOfrsposib*ty.g.forsafetyextra1.owvo1.tage(SE1.V)inaccordancewithIEC61140:2016,526andIEC60364-4-412017.414.3.1orcontro1.<xctsinaccordanceVrtIhIEC60204-1:2016,7.24.ThegroupsafetyfunctionKSneededforeachPaftofIEC61S582becausedifferentstandardsoftheIEC61558seriescanbecombinedinonens!rctk)11butincertaincaseswithno1.imitationofratedoutputpower.Forexamp1.eanauto-transformerinaccordancewithIEC61558213canbedesignedwithaseparateSE1.V-circuitinacrdancev/iththeparticu1.arrequirementsforIEC61558-2-6re1.atingtothegenera1.requirementsofIEC61558-1.SAFETYOFTRANSFORMERS,REACTORS,POWERSUPP1.YUNITSANDCOMBINATIONSTHEREOF-Part2-4:Particu1.arrequirementsandtestsforiso1.atingtransformersandpowersupp1.yunitsincorporatingiso1.atingtransformersforgenera1.app1.ications1 ScopeRep1.acementThispartofIEC61558dea1.swiththesafetyofiso1.atingtransformersforgenera1.app1.icationsandpowersupp1.yunitsInOOrPoraIingiso1.atingtransformersforgenera1.app1.ications.Transformersincorporatinge1.ectroniccircuitsarea1.soveredbythisdocument.NOTE1Safetyinducteee1.ectrica1.,therma1.andmechanica1.aspects.Un1.essotherwisespci5ed.fromhereOnwardthetermtransformervsiso1.atingtransformersforgenera1.app1.icationsandpowersupp1.yunitsincorporatingiso1.atingtransformersforgenera1.app1.ications.Forpowersupp1.yunits(1.inear)thisdocumentisapp1.cab1.e.Forswitchmodepowersupp1.yunits.IEC61558-2-16isapp1.icab1.e.Thisdocumentisapp1.icaWtostationary(Xportab1.e,sing1.e-phaseexpo1.yphase,air-coo1.ed(natura1.orforcedindependentorassociateddry-typetransformers.Thevnndingscanbeencapsu1.atedornoer>capsuated.Theratedsupp1.yvo1.tagedocsnotexceed1000VACandtbcratedsupp1.yfrequencyandtheinterna1.operatingfrequenciesdonotexceed500Hz.Theratedoutputdoesnotexceed: 25kVAforsing1.e-phasetransformers: 40kVAforpo1.yphasetransformers.Thisdocumentisapp1.icab1.etotransformerswithout1.ir1.atioofIheratedoutputsubjecttoanagreementbetweenth©purchaserandthemanufacturer.NOTE2TransformersinndedtoSuppiydstrtout1.onnetworksarenot1.r1.uddnthescope.Theno-1.oadoutputvo1.tageortheratedoutputvo1.tagedoesexceed50VACor120Vr1.tefreeDC.andwhereapp1.icab1.e,doesnotexceed500VACor708Vripp1.e-freeDC.Theno-1.oadoutputvo1.tageandtheratedoutputvo1.tagemaybeupto1000VACor1415VripptefreeDCforspecia1.app1.ications.Thisdocumentisnotapp1.icab1.etoexterna1.circuitsandthe<componentsintendedtobeconnectedtoIheInputtermina1.sandoutputtermina1.softhetransformersNOTE3TransformerscoveredbythisdocumentarcusedinappicabonsWhcfCdoub1.eorreinforcedinsu1.ationbetweenCircutsisrequiredbythens1.aiatonrvtesorbythec11dproductstandard.Attentionisdraw)tothefo1.1.owing: additiona1.requirementsfortransformersIntondodtobeusedinvehic1.es,onboardsh<>s,andaircraft(fromotherapp1.icab1.estandards,nationa1.ru1.es,e<c.); measurGStoprotecttheenc1.osureandthecomponentsinsideth©enc1.osureagainstexterna1.inf1.uencessuchasfungus,vermin,termites,so1.ar-radiation,andicing; thedifferentncWionsfortransportation,storage,andoperationofth©transformers; axJditiona1.rcqute11>cntsinaccordancewithotherappropriatestandardsandnationa1.ru1.escanbeapp1.icab1.etotransformersintendedforuseinspecia1.environments.Futuretchno1.ogcadveiopmontoftransformerscannecessitateaneedtoincreasetheupper1.imitofth©frequencies.Unti1.then,thisdocumentmaybeusedasaguda11cedume11t.Thisgroupsafetypub1.icationfocusingonsafetyguidanceisprimari1.yintendedtobeusedasaproductsafetystandardfortheproductsmentionedinthescope,butisa1.sointendedtobeusedbyTCsmthepreparationOfpub1.icationsforproductssimi1.artothosementionedGthescopeotIhtSgroupsafetypubca1.ion,inaccordanceMhtheprincip1.es1.aiddowninIECGuideW4andISO1.ECGuide51.OneO1.1.hCresponsibi1.itiesofaTCis.WhereVCrapp1.icab1.e,tomakeuseotBSPsand.,orGSPSinthepreparationofitsPUb1.iCations.2 NormativereferencesThisc1.auseofPart1isapp1.icaWeexceptasfo1.1.ows:AMitionIEC61558-1:2017.SafetyofIransfofmers.reactors,powersupp1.yunitsandcombinationsthereofPan1:GenWaJ囹而e11wxsandtests3 TermsanddefinitionsForthepurposesofthis>cment.thetermsanddefinitionsgvninPart1appfyISOandIECmaintaintermino1.ogica1.databasesforuseinstandardizationatthefo1.1.owingaJrosses: IECE1.ec1.ropedia:avai1.ab1.eatht1.p7ww.e1.ectropedia.org' ISO0nnebrows*ngp1.atform:avai1.ab1.eatht1.pj7wvf.isoorg),obp4 Genera1.requirementsThisc1.auseotPartisapp1.icab1.e.5 Genera1.notesontestsThisc1.auseofPart1isapp1.icabA.6 RatingsThisc1.auseotPartisap1.cab4eexceptasfo1.1.ows:Addition6.101 TheratedoutputVOnageshaexceed50VACor120Vrie-frccDCbutnotCXCeOd 250VACforsigk)pascportab1.etransformers; 400VACforpo1.yphaseportab1.etransformers:and 500VACor708Vripp4ekeeDCI(XothertransformersInthiscase,theratedoutputvo1.tagemaybeupto1QOQVACor1415Vrip<e1.recDCtobeinacrdancewiththenationa1.wiringru