1、Edition1.02025-04INTERNATIONALSTANDARDNORMEINTERNATIONALEElectricalrelays-Testsandmeasurements-Part24:LoadtransferRelaiselectriques-Essaisetmesurages-Partie24:Transfertdecharge(vUs)寸olneoee,eegco9。山一THISPUBLICATIONISCOPYRIGHTPROTECTEDCopyright2025IEC,Geneva,SwitzerlandAllrightsreserved.Unlessotherwi
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15、TERNATIONALEElectricalrelays-Testsandmeasurements一Part24:LoadtransferRelaiselectriques-Essaisetmesurages-Partie24:TransfertdechargeINTERNATIONALELECTROTECHNICALCOMMISSIONCOMMISSIONELECTROTECHNIQUEINTERNATIONALEICS29.120.70ISBN978-2-8327-0356-4Warning!Makesurethatyouobtainedthispublicationfromanautho
16、rizeddistributor.Attention!Veuillezvousassurerquevousavezobtenucettepublicationviaundistributeuragree.RegisteredtrademarkoftheInternationalElectrotechnicalCommissionMarquedeposeedeIaCommissionElectrotechniqueInternationaleCONTENTSFOREWORD31 Scope52 Normativereferences53 Termsanddefinitions54 Testpro
17、cedure54.1 Purpose54.2 Procedure64.3 Conditions65 Evaluation75.1 General75.2 Testreport7Figure1-Testcircuitforloadtransfer6InternationalelectrotechnicalcommissionELECTRICALRELAYS-TESTSANDMEASUREMENTS-Part24:LoadtransferFOREWORD1) TheInternationalElectrotechnicalCommission(IEC)isaworldwideorganizatio
18、nforstandardizationcomprisingallnationalelectrotechnicalcommittees(IECNationalCommittees).TheobjectofIECistopromoteinternationalco-operationonallquestionsconcerningstandardizationintheelectricalandelectronicfields.Tothisendandinadditiontootheractivities,IECpublishesInternationalStandards,TechnicalSp
19、ecifications,TechnicalReports,PubliclyAvailableSpecifications(PAS)andGuides(hereafterreferredtoas,IECPubIication(三).Theirpreparationisentrustedtotechnicalcommittees;anyIECNationalCommitteeinterestedinthesubjectdealtwithmayparticipateinthispreparatorywork.International,governmentalandnon-governmental
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26、blicationsisindispensableforthecorrectapplicationofthispublication.9) IECdrawsattentiontothepossibilitythattheimplementationofthisdocumentmayinvolvetheuseof（八）patent(三).IECtakesnopositionconcerningtheevidence,validityorapplicabilityofanyclaimedpatentrightsinrespectthereof.Asofthedateofpublicationoft
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28、rights.IEC63522-24hasbeenpreparedbyIECtechnicalcommittee94:Electricalrelays.ItisanInternationalStandard.ThetextofthisInternationalStandardisbasedonthefollowingdocuments:DraftReportonvoting94/1054/FDIS94/1114/RVDFullinformationonthevotingforitsapprovalcanbefoundinthereportonvotingindicatedintheabovet
29、able.ThelanguageusedforthedevelopmentofthisInternationalStandardisEnglish.ThisdocumentwasdraftedinaccordancewithISO/IECDirectives,Part2,anddevelopedinaccordancewithISO/IECDirectives,Part1andISO/IECDirectives,IECSupplement,availableatwww.iec.ch/members_experts/refdocs.ThemaindocumenttypesdevelopedbyI
30、ECaredescribedingreaterdetailatwww.iec.ch/publications.AlistofallpartsofIEC63522series,publishedunderthegeneraltitleElectricalrelays-Testsandmeasurements,canbefoundontheIECwebsite.ThisInternationalStandardistobeusedinconjunctionwithIEC63522-0:-1.Thecommitteehasdecidedthatthecontentsofthisdocumentwil
31、lremainunchangeduntilthestabilitydateindicatedontheIECwebsiteunderwebstore.iec.chinthedatarelatedtothespecificdocument.Atthisdate,thedocumentwillbe reconfirmed, withdrawn,or revised.Electricalrelays-TESTSANDMEASUREMENTS-Part24:Loadtransfer1 ScopeThispartofIEC63522isusedfortestingalongwiththeappropri
32、ateseveritiesandconditionsformeasurementsandtestsdesignedtoassesstheabilityofDUTstoperformunderexpectedconditionsoftransportation,storageandallaspectsofoperationaluse.Thisdocumentdefinesatesttocheckthatamultipolerelayiscapableoftransferringonesourcetoanother.2 NormativereferencesThefollowingdocument
33、sarereferredtointhetextinsuchawaythatsomeoralloftheircontentconstitutesrequirementsofthisdocument.Fordatedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)applies.IEC63522-0:-2,Electricalrelays-Testsandmeasurements-Part0:Testin
34、g-GeneralandguidanceIEC63522-4,Electricalrelays-Testsandmeasurements-Part4:DielectricstrengthtestIEC63522-6,Electricalrelays-Testsandmeasurements-Part6:Contact-circuitresistance(orvoltagedrop)IEC63522-7,Electricalrelays-Testsandmeasurements-Part7:Functionaltests3 TermsanddefinitionsForthepurposesoft
35、hisdocument,thetermsanddefinitionsgiveninIEC63522-0apply.ISOandIECmaintainterminologydatabasesforuseinstandardizationatthefollowingaddresses: IECElectropedia:availableathttps:/www.electropedia.org/ ISOOnlinebrowsingplatform:availableathttps:/www.iso.org/obp4 Testprocedure4.1 PurposeThetestchecksthat
36、arelaywithtwoormorechangeovercontactsiscapableofchangingovertwo(ormore)phasesystemsfromonesourcetoanother.4.2 ProcedureTherelayshallbeconnectedtoasuitabletestcircuit,thevoltage,frequencyandloadbeingnominalvaluesaccordingtotheproductspecification.Anexampleofsuchconfigurationforthree-phasesystemsissho
37、wninFigure1.Duringthetest,therelaymountingpartsandanyexposedconductivepartsshallbeconnectedtothecommonpointoftheload,viaafuseratedat5%oftheratedloadcurrent,or100mA,whicheveristhegreater,unlessotherwisespecified.Therelayshallbeenergizedasspecified,operatedatthefrequencyofoperationandforthenumberofcyc
38、lesof1000cyclesorasspecifiedbythemanufacturer.Continuousmonitoringshallbeusedtodetectphase-to-phasearcingandcontactmalfunction.Thefuseshallnotblowduringthetest.Unlessotherwisespecified,therelayshallbe(51)sintheoperateconditionand(51)sinthereleaseconditionforeachcycle.Incaseofanydeviationspecifiedbyt
39、hemanufacturerwithrespecttovoltage,frequencyandload,thisshallbestatedclearlyinthetestreport.ACsupplyKeyA1,A2:RelaiscoilterminalsS1uptoS3:ChangeoverswitchesR1uptoR3:LoadresistorsFigure1-Testcircuitforloadtransfer4.3ConditionsTheconditionstobespecifiedarethefollowing:a) energizationvalue;b) voltageand
40、frequencyofthemulti-phasesystem;c)loadparameters;d) fuserating;e) frequencyofoperation,numberofcycles,andtimes,ifotherthan(51)s;5Evaluation5.1 GeneralNocontactmalfunctionshallbedetected.Duringthetest,thefollowingshallbemonitored: nophase-to-phasearcingandotherabnormalsparkinglongerthanahalfperiodisa
41、llowed;-nocontactmalfunctionshallbedetected.Thefuseshallnotblow.Thefollowingfinalmeasurementsshallbeperformed: functionaltestsinaccordancewithIEC63522-7; dielectricstrengthtestinaccordancewithIEC63522-4; contact-circuitresistanceinaccordancewithIEC63522-6.5.2 TestreportIfthisdocumentisexecutedasapar
42、tofatestrecordofanotherstandard,thentheresultsshallbereportedasrequiredintheotherstandard.Otherwise,itisrecommendedtoissueadedicatedtestreportaccordingtothisdocument.Thetestreportshallcontainalltheinformationnecessarytoreproducethetest.Inparticular,thefollowingshallberecorded:-energizationvalue;一vol
43、tageandfrequencyofthemulti-phasesystem;-loadparameters;- fuserating;- frequencyofoperation,numberofcycles,andtimes,ifotherthan(51)s;- anybreakdownorflashover,orboth(happenatwhichnumberofoperations);-ifapplicable,anyotherobservations.SommaireAvant-PROPOS91 Domainedapplication112 Referencesnormatives1
44、13 Termesetdefinitions114 Proceduredessai114.1 Objet114.2 Procedure124.3 Conditions125 Evaluation135.1 Generalites135.2 Rapportdessai13Figure1-CircuitdessaipourIetransfertdecharge12CommissionelectrotechniqueInternationaleRELAisElectriques-ESSAisETMesurages-Partie24:TransfertdechargeAVANT-PROPOS1) La
45、CommissionElectrotechniqueInternationale(IEC)estuneorganisationmondialedenormalisationcomposeede!ensembledescomiteselectrotechniquesnationaux(ComitesnationauxdeIEC).LIECapourobjetdefavoriserIacooperationinternationalepourtoutesIesquestionsdenormalisationdansIesdomainesdeelectriciteetdeelectronique.A
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