IEC_60038-2009

IEC60038Edition7.02009-06INTERNATIONALSTANDARDNORMEINTERNATIONALEIECstandardvoltagesTensionsnormalesdelaCEIIEC60038:2009HORIZONTALSTANDARDNORMEHORIZONTALE®THISPUBLICATIONISCOPYRIGHTPROTECTEDCopyright©2009IEC,Geneva,SwitzerlandAllrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromeitherIECorIEC'smemberNationalCommitteeinthecountryoftherequester.IfyouhaveanyquestionsaboutIECcopyrightorhaveanenquiryaboutobtainingadditionalrightstothispublication,pleasecontacttheaddressbeloworyourlocalIECmemberNationalCommitteeforfurtherinformation.Droitsdereproductionréservés.Saufindicationcontraire,aucunepartiedecettepublicationnepeutêtrereproduiteniutiliséesousquelqueformequecesoitetparaucunprocédé,électroniqueoumécanique,ycomprislaphotocopieetlesmicrofilms,sansl'accordécritdelaCEIouduComiténationaldelaCEIdupaysdudemandeur.SivousavezdesquestionssurlecopyrightdelaCEIousivousdésirezobtenirdesdroitssupplémentairessurcettepublication,utilisezlescoordonnéesci-aprèsoucontactezleComiténationaldelaCEIdevotrepaysderésidence.IECCentralOffice3,ruedeVarembéCH-1211Geneva20SwitzerlandEmail:0Hinmail@iec.chWeb:1Hwww.iec.chAbouttheIECTheInternationalElectrotechnicalCommission(IEC)istheleadingglobalorganizationthatpreparesandpublishesInternationalStandardsforallelectrical,electronicandrelatedtechnologies.AboutIECpublicationsThetechnicalcontentofIECpublicationsiskeptunderconstantreviewbytheIEC.Pleasemakesurethatyouhavethelatestedition,acorrigendaoranamendmentmighthavebeenpublished.ƒCatalogueofIECpublications:2Hwww.iec.ch/searchpubTheIECon-lineCatalogueenablesyoutosearchbyavarietyofcriteria(referencenumber,text,technicalcommittee,…).Italsogivesinformationonprojects,withdrawnandreplacedpublications.ƒIECJustPublished:3Hwww.iec.ch/online_news/justpubStayuptodateonallnewIECpublications.JustPublisheddetailstwiceamonthallnewpublicationsreleased.Availableon-lineandalsobyemail.ƒElectropedia:4Hwww.electropedia.orgTheworld'sleadingonlinedictionaryofelectronicandelectricaltermscontainingmorethan20000termsanddefinitionsinEnglishandFrench,withequivalenttermsinadditionallanguages.AlsoknownastheInternationalElectrotechnicalVocabularyonline.ƒCustomerServiceCentre:5Hwww.iec.ch/webstore/custservIfyouwishtogiveusyourfeedbackonthispublicationorneedfurtherassistance,pleasevisittheCustomerServiceCentreFAQorcontactus:Email:6Hcsc@iec.chTel.:+41229190211Fax:+41229190300AproposdelaCEILaCommissionElectrotechniqueInternationale(CEI)estlapremièreorganisationmondialequiélaboreetpubliedesnormesinternationalespourtoutcequiatraitàl'électricité,àl'électroniqueetauxtechnologiesapparentées.AproposdespublicationsCEILecontenutechniquedespublicationsdelaCEIestconstammentrevu.Veuillezvousassurerquevouspossédezl’éditionlaplusrécente,uncorrigendumouamendementpeutavoirétépublié.ƒCataloguedespublicationsdelaCEI:7Hwww.iec.ch/searchpub/cur_fut-f.htmLeCatalogueen-lignedelaCEIvouspermetd’effectuerdesrecherchesenutilisantdifférentscritères(numéroderéférence,texte,comitéd’études,…).Ildonneaussidesinformationssurlesprojetsetlespublicationsretiréesouremplacées.ƒJustPublishedCEI:8Hwww.iec.ch/online_news/justpubRestezinformésurlesnouvellespublicationsdelaCEI.JustPublisheddétailledeuxfoisparmoislesnouvellespublicationsparues.Disponibleen-ligneetaussiparemail.ƒElectropedia:9Hwww.electropedia.orgLepremierdictionnaireenligneaumondedetermesélectroniquesetélectriques.Ilcontientplusde20000termesetdéfinitionsenanglaisetenfrançais,ainsiquelestermeséquivalentsdansleslanguesadditionnelles.EgalementappeléVocabulaireElectrotechniqueInternationalenligne.ƒServiceClients:10Hwww.iec.ch/webstore/custserv/custserv_entry-f.htmSivousdésireznousdonnerdescommentairessurcettepublicationousivousavezdesquestions,visitezleFAQduServiceclientsoucontactez-nous:Email:11Hcsc@iec.chIEC60038Edition7.02009-06INTERNATIONALSTANDARDNORMEINTERNATIONALEIECstandardvoltagesTensionsnormalesdelaCEIINTERNATIONALELECTROTECHNICALCOMMISSIONCOMMISSIONELECTROTECHNIQUEINTERNATIONALEMICS29.020PRICECODECODEPRIXISBN2-8318-1047-0HORIZONTALSTANDARDNORMEHORIZONTALE®RegisteredtrademarkoftheInternationalElectrotechnicalCommissionMarquedéposéedelaCommissionElectrotechniqueInternationale®–2–60038©IEC:2009CONTENTSFOREWORD...........................................................................................................................0H31Scope...............................................................................................................................1H52Normativereferences.......................................................................................................2H53Termsanddefinitions.......................................................................................................3H54Standardvoltages............................................................................................................4H74.1ACsystemshavinganominalvoltagebetween100Vand1000Vinclusiveandrelatedequipment.............................................................................................5H74.2DCanda.c.tractionsystems...................................................................................6H84.3ACthree-phasesystemshavinganominalvoltageabove1kVandnotexceeding35kVandrelatedequipment..................................................................7H84.4ACthree-phasesystemshavinganominalvoltageabove35kVandnotexceeding230kVandrelatedequipment................................................................8H94.5ACthree-phasesystemshavingahighestvoltageforequipmentexceeding245kV...................................................................................................................9H104.6Equipmenthavinganominalvoltagebelow120Va.c.orbelow750Vd.c.............10H11AnnexA(informative)Highestandlowestvoltagevaluesatsupplyandutilizationterminalsfora.c.systemshavinganominalvoltagebetween100Vand1000V..................11H12Bibliography..........................................................................................................................12H13Table1–ACsystemshavinganominalvoltagebetween100Vand1000Vinclusiveandrelatedequipment............................................................................................................13H7Table2–DCanda.c.tractionsystemsa................................................................................14H8Table3–ACthree-phasesystemshavinganominalvoltageabove1kVandnotexceeding35kVandrelatedequipmenta...............................................................................15H9Table4–ACthree-phasesystemshavinganominalvoltageabove35kVandnotexceeding230kVandrelatedequipmenta...........................................................................16H10Table5–ACthree-phasesystemshavingahighestvoltageforequipmentexceeding245kVa...............................................................................................................................17H10Table6–Equipmenthavinganominalvoltagebelow120Va.c.orbelow750Vd.c.............18H11TableA.1–Highestandlowestvoltagevaluesatsupplyandutilizationterminalsfora.c.systemshavinganominalvoltagebetween100Vand1000V......................................19H1260038©IEC:2009–3–INTERNATIONALELECTROTECHNICALCOMMISSION____________IECSTANDARDVOLTAGESFOREWORD1)TheInternationalElectrotechnicalCommission(IEC)isaworldwideorganizationforstandardizationcomprisingallnationalelectrotechnicalcommittees(IECNationalCommittees).TheobjectofIECistopromoteinternationalco-operationonallquestionsconcerningstandardizationintheelectricalandelectronicfields.Tothisendandinadditiontootheractivities,IECpublishesInternationalStandards,TechnicalSpecifications,TechnicalReports,PubliclyAvailableSpecifications(PAS)andGuides(hereafterreferredtoas“IECPublication(s)”).Theirpreparationisentrustedtotechnicalcommittees;anyIECNationalCommitteeinterestedinthesubjectdealtwithmayparticipateinthispreparatorywork.International,governmentalandnon-governmentalorganizationsliaisingwiththeIECalsoparticipateinthispreparation.IECcollaboratescloselywiththeInternationalOrganizationforStandardization(ISO)inaccordancewithconditionsdeterminedbyagreementbetweenthetwoorganizations.2)TheformaldecisionsoragreementsofIEContechnicalmattersexpress,asnearlyaspossible,aninternationalconsensusofopinionontherelevantsubjectssinceeachtechnicalcommitteehasrepresentationfromallinterestedIECNationalCommittees.3)IECPublicationshavetheformofrecommendationsforinternationaluseandareacceptedbyIECNationalCommitteesinthatsense.WhileallreasonableeffortsaremadetoensurethatthetechnicalcontentofIECPublicationsisaccurate,IECcannotbeheldresponsibleforthewayinwhichtheyareusedorforanymisinterpretationbyanyenduser.4)Inordertopromoteinternationaluniformity,IECNationalCommitteesundertaketoapplyIECPublicationstransparentlytothemaximumextentpossibleintheirnationalandregionalpublications.AnydivergencebetweenanyIECPublicationandthecorrespondingnationalorregionalpublicationshallbeclearlyindicatedinthelatter.5)IECprovidesnomarkingproceduretoindicateitsapprovalandcannotberenderedresponsibleforanyequipmentdeclaredtobeinconformitywithanIECPublication.6)Allusersshouldensurethattheyhavethelatesteditionofthispublication.7)NoliabilityshallattachtoIECoritsdirectors,employees,servantsoragentsincludingindividualexpertsandmembersofitstechnicalcommitteesandIECNationalCommitteesforanypersonalinjury,propertydamageorotherdamageofanynaturewhatsoever,whetherdirectorindirect,orforcosts(includinglegalfees)andexpensesarisingoutofthepublication,useof,orrelianceupon,thisIECPublicationoranyotherIECPublications.8)AttentionisdrawntotheNormativereferencescitedinthispublication.Useofthereferencedpublicationsisindispensableforthecorrectapplicationofthispublication.9)AttentionisdrawntothepossibilitythatsomeoftheelementsofthisIECPublicationmaybethesubjectofpatentrights.IECshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.InternationalStandardIEC60038hasbeenpreparedbyIECtechnicalcommittee8:Systemaspectsforelectricalenergysupply.Thisseventheditionsupersedesthesixthedition(1993),itsAmendment1(1994)anditsAmendment2(1997).Itconstitutesatechnicalrevision.Thesignificanttechnicalchangesare:–aclarificationofthescope;–theadditionofthevaluesof230V(50Hz)and230/400V(60Hz)toTable1;–theupdateofTable1totakeintoaccounttheendofthetransitionperiodforthevaluesof230/400Vand400/690V;–thereplacementoftheutilizationvoltagerangeatLVbyareferencetotherelevantstandardandaninformativeannex;–theadditionofthevalueof30kVtoTable3;–thereplacementofthevalueof1050kVby1100kVinTable5.–4–60038©IEC:2009Thetextofthisstandardisbasedonthefollowingdocuments:FDISReportonvoting8/1260/FDIS8/1264/RVDFullinformationonthevotingfortheapprovalofthisstandardcanbefoundinthereportonvotingindicatedintheabovetable.IthasthestatusofahorizontalstandardinaccordancewithIECGuide108.ThispublicationhasbeendraftedinaccordancewiththeISO/IECDirectives,Part2.ThecommitteehasdecidedthatthecontentsofthispublicationwillremainunchangeduntilthemaintenanceresultdateindicatedontheIECwebsiteunder"http://webstore.iec.ch"inthedatarelatedtothespecificpublication.Atthisdate,thepublicationwillbe•reconfirmed,•withdrawn,•replacedbyarevisededition,or•amended.60038©IEC:2009–5–IECSTANDARDVOLTAGES1ScopeThispublicationappliesto–a.c.transmission,distributionandutilizationsystemsandequipmentforuseinsuchsystemswithstandardfrequencies50Hzand60Hzhavinganominalvoltageabove100V;–a.c.andd.c.tractionsystems;–a.c.andd.c.equipmenthavingnominalvoltagesbelow120Va.c.orbelow750Vd.c.,thea.c.voltagesbeingintended(butnotexclusively)for50Hzand60Hzapplications;suchequipmentcoversbatteries(fromprimaryorsecondarycells),otherpowersupplydevices(a.c.ord.c.),electricalequipment(includingindustrialandcommunication),andappliances.Thispublicationdoesnotapplytovoltagesrepresentingortransmittingsignalsormeasuredvalues.Thispublicationdoesnotapplytostandardvoltagesofcomponentsandpartsusedwithinelectricaldevicesoritemsofequipment.Thispublicationspecifiesstandardvoltagevalueswhichareintendedtoserve−aspreferentialvaluesforthenominalvoltageofelectricalsupplysystems,and−asreferencevaluesforequipmentandsystemdesign.NOTE1Twomainreasonshaveledtothevaluesspecifiedinthisstandard:Thevaluesofnominalvoltage(orhighestvoltageforequipment)specifiedinthisstandardaremainlybasedonthehistoricaldevelopmentofelectricalsupplysystemsthroughouttheworld,sincethesevaluesturnedouttobethemostcommonones,andhaveachievedworldwiderecognition;Thevoltagerangesmentionedinthisstandardhavebeenrecognizedtobethemostappropriateonesasabasisfordesignandtestingofelectricalequipmentandsystems.NOTE2Itisneverthelessthetaskofsystemandproductstandardstodefineappropriatetestingvalues,testingconditionsandacceptancecriteria.2NormativereferencesThefollowingreferenceddocumentsareindispensablefortheapplicationofthisdocument.Fordatedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)applies.IEC60364-5-52:Electricalinstallationsofbuildings–Part5-52:Selectionanderectionofelectricalequipment–Wiringsystems3TermsanddefinitionsForthepurposesofthisdocument,thefollowingtermsanddefinitionsapply.Foralternatingvoltages,thevoltagesstatedbelowarer.m.s.values.–6–60038©IEC:20093.1nominalsystemvoltageasuitableapproximatevalueofvoltageusedtodesignateoridentifyasystem[IEV601-01-21,modified]3.2highestvoltageofasystem(excludingtransientorabnormalconditions)thehighestvalueofoperatingvoltagewhichoccursundernormaloperatingconditionsatanytimeandatanypointonthesystemNOTEItexcludestransientovervoltages,suchasthoseduetoswitchingoperations,andtemporaryvariationsofvoltage.[IEV601-01-23,modified]3.3lowestvoltageofasystem(excludingtransientorabnormalconditions)thelowestvalueofoperatingvoltagewhichoccursundernormaloperatingconditionsatanytimeandatanypointonthesystemNOTEItexcludestransientvoltages,suchasthoseduetoswitchingoperations,andtemporaryvariationsofvoltage.[IEV601-01-24,modified]3.4supplyterminalspointinatransmissionordistributionnetworkdesignatedassuchandcontractuallyfixed,atwhichelectricalenergyisexchangedbetweencontractualpartners3.5supplyvoltagethephase-to-phaseorphase-to-neutralvoltageatthesupplyterminalsNOTEAnequivalentdefinitionis:theline-to-lineorline-to-neutralvoltageatthesupplyterminals.3.6supplyvoltagerangethevoltagerangeatthesupplyterminals3.7utilizationvoltagethephase-to-phaseorphase-to-neutralvoltageattheoutletsoratthepointswhereutilisationequipmentisintendedtobeconnectedtothefixedinstallationNOTEAnequivalentdefinitionis:theline-to-lineorline-to-neutralvoltageattheoutletsoratthepointswhereutilisationequipmentisintendedtobeconnectedtothefixedinstallation.3.8utilizationvoltagerangethevoltagerangeattheoutletsoratthepointswhereutilisationequipmentisintendedtobeconnectedtothefixedinstallationNOTEAttentionisdrawntothefactthatinsomeequipmentstandards(forexample,IEC60335-1andIEC60071),theterm"voltagerange"hasadifferentmeaning.60038©IEC:2009–7–3.9highestvoltageforequipmenthighestvoltageforwhichtheequipmentisspecifiedregarding:a)theinsulation;b)othercharacteristicswhichmaybelinkedtothishighestvoltageintherelevantequipmentrecommendations.NOTEEquipmentmayonlybeusedonsystemshavingahighestsystemvoltagelessthanorequaltoitshighestvoltageforequipment.4Standardvoltages4.1ACsystemshavinganominalvoltagebetween100Vand1000VinclusiveandrelatedequipmentThenominalvoltageofana.c.systemintherangefrom100Vto1000VshouldbeselectedfromthevaluesgiveninTable1.Table1–ACsystemshavinganominalvoltagebetween100Vand1000VinclusiveandrelatedequipmentThree-phasefour-wireorthree-wiresystemsSingle-phasethree-wiresystemsNominalvoltageNominalvoltageVV50Hz60Hz60Hz–120/208120/240d230c240c–230/400a230/400a––277/480––480––347/600––600–400/690b––1000––aThevalueof230/400Vistheresultoftheevolutionof220/380Vand240/415VsystemswhichhasbeencompletedinEuropeandmanyothercountries.However,220/380Vand240/415Vsystemsstillexist.bThevalueof400/690Vistheresultoftheevolutionof380/660VsystemswhichhasbeencompletedinEuropeandmanyothercountries.However,380/660Vsystemsstillexist.cThevalueof200Vor220Visalsousedinsomecountries.dThevaluesof100/200Varealsousedinsomecountrieson50Hzor60Hzsystems.InTable1,thethree-phasefour-wiresystemsandsingle-phasethree-wiresystemsincludesingle-phasecircuits(extensions,services,etc.)connectedtothesesystems.Thelowervaluesinthefirstandsecondcolumnsarevoltagestoneutralandthehighervaluesarevoltagesbetweenphases.Whenonevalueonlyisindicated,itreferstothree-wiresystemsandspecifiesthevoltagebetweenphases.Thelowervalueinthethirdcolumnisthevoltagetoneutralandthehighervalueisthevoltagebetweenlines.Voltagesinexcessof230/400Vareintendedforheavyindustrialapplicationsandlargecommercialpremises.Concerningsupplyvoltagerange,undernormaloperatingconditions,thesupplyvoltageshouldnotdifferfromthenominalvoltageofthesystembymorethan±10%.–8–60038©IEC:2009Fortheutilizationvoltagerange,inadditiontothevoltagevariationsatthesupplyterminals,voltagedropsmayoccurwithintheconsumer'sinstallations.Formoreinformation,seeIEC60364-5-52.Thisutilizationvoltagerangeshouldbetakenintoaccountbyproductcommittees.NOTEThehighestandlowestvoltagevaluesatsupplyterminalsandatutilizationterminals,astheycanbederivedfromtheaboveandfromIEC60364-5-52:2001,areprovidedforinformationin20HAnnexA.4.2DCanda.c.tractionsystemsThevoltagesofad.c.ora.c.tractionsystemshouldbeselectedfromthevaluesgiveninTable2.Table2–DCanda.c.tractionsystemsaVoltageLowestNominalHighestNominalfrequencyofa.c.systemsVVVHzDCsystems(400)(600)(720)500750900100015001800200030003600b(4750)(6250)(6900)50or60ACsingle-phasesystems120001500017250162/319000250002750050or60aThevaluesindicatedinparenthesesshouldbeconsideredasnon-preferredvalues.Itisrecommendedthatthesevaluesshouldnotbeusedfornewsystemstobeconstructedinfuture.Inparticularfora.c.single-phasesystems,thenominalvoltage6250Vshouldbeusedonlywhenlocalconditionsmakeitimpossibletoadoptthenominalvoltage25000V.Thevaluesindicatedinthetableabovearethevaluesagreedbytheinternationalmixedcommitteeonelectrictractionequipment(C.M.T.)andbyIECtechnicalcommittee9,Electricalequipmentandsystemsforrailways.bIncertainEuropeancountries,thisvoltagemayreach4000V.Theelectricalequipmentofvehiclesoperatinginternationalservicesinthesecountriesshallbecapableofwithstandingthisabsolutemaximalvoltageforbriefperiodsofupto5min.4.3ACthree-phasesystemshavinganominalvoltageabove1kVandnotexceeding35kVandrelatedequipmentThevoltagesforana.c.three-phasesystemhavinganominalvoltageabove1kVandnotexceeding35kVshouldbeselectedfromthevaluesgiveninTable3.60038©IEC:2009–9–Table3–ACthree-phasesystemshavinganominalvoltageabove1kVandnotexceeding35kVandrelatedequipmentaSeriesISeriesIIHighestvoltageforequipmentNominalsystemvoltageHighestvoltageforequipmentNominalsystemvoltagekVkVkVkV3,6b3,3b3b4,40b4,16b7,2b6,6b6b––121110–––––13,2c12,47c–––13,97c13,2c–––14,52b13,8b(17,5)–(15)––242220–––––26,4c,e24,94c,e36d33d30d–––––36,5c34,5c40,5d–35d––NOTE1Itisrecommendedthatinanyonecountry,theratiobetweentwoadjacentnominalvoltagesshouldbenotlessthant