IEC 6352227 2025.docx
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1、Edition1.02025-04INTERNATIONALSTANDARDNORMEINTERNATIONALEElectricalrelays-Testingandmeasurement-Part27:ElectricalcontactnoiseRelaiselectriques-Essaisetmesurages-Partie27:Bruitelectriquedecontact(vUs)寸o,geoezCM,eegco9。山一THlSPUBLICATIONISCOPYRIGHTPROTECTEDCopyright2025IEC,Geneva5SwitzerlandAllrightsre
2、served.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromeitherIECorIECsmemberNationalCommitteeinthecountryoftherequester.IfyouhaveanyquestionsaboutIECcopyrightorhavean
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5、eresidence.IECSecretariat3,ruedeVarembeCH-1211Geneva20SwitzerlandTel.:+41229190211infoiec.chwww.iec.chAbouttheIECTheInternationalElectrotechnicalCommission(IEC)istheleadingglobalorganizationthatpreparesandpublishesInternationalStandardsforallelectrical,electronicandrelatedtechnologies.AboutIECpublic
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9、ccesstouptodatecontenttailoredtoyourneeds.Electropedia-www.electropedia.orgTheworldsleadingonlinedictionaryonelectrotechnology,containingmorethan22500terminologicalentriesinEnglishandFrench,withequivalenttermsin25additionallanguages.AlsoknownastheInternationalElectrotechnicalVocabulary(IEV)online.Ap
10、roposdeIECLaCommissionElectrotechniqueInternationale(IEC)estIapremiereorganisationmondialequielaboreetpubliedesNormesinternationalespourtoutcequiatraitaelectricite,aelectroniqueetauxtechnologiesapparentees.AproposdespublicationsIECLecontenutechniquedespublicationsIECestConstammentrevu.Veuillezvousas
11、surerquevouspossedez!editionIaplusrecente,uncorrigendumouamendementpeutavoiretepublie.RecherchedepublicationsIEC-webstore.iec.ch/advsearchformLarechercheavanceepermetdetrouverdespublicationsIECenUtilisantdifferentscriteres(numerodereference,texte,comited,etudes,.).ElledonneaussidesinformationssurIes
12、projetsetIespublicationsremplaceesouretirees.IECJustPublished-webstore.iec.ch/justpublishedRestezinformesurIesnouvellespublicationsIEC.JustPublisheddetailleIesnouvellespublicationsparues.DisponibleenIigneetunefoisparmoisparemail.ServiceClients-webstore.iec.ch/cscSivousdesireznousdonnerdesCommentaire
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14、besoins.Electropedia-www.electropedia.orgLepremierdictionnairedelectrotechnologieenIigneaumonde,avecplusde22500articlesterminologiquesenanglaisetenfranais,ainsiqueIestermesequivalentsdans25Ianguesadditionnelles.EgalementappeleVocabulaireElectrotechniqueInternational(IEV)enIigne.Edition1.02025-04INTE
15、RNATIONALSTANDARDNORMEINTERNATIONALEElectricalrelays-Testingandmeasurement-Part27:ElectricalcontactnoiseRelaiselectriques-Essaisetmesurages-Partie27:BruitelectriquedecontactINTERNATIONALELECTROTECHNICALCOMMISSIONCOMMISSIONELECTROTECHNIQUEINTERNATIONALEICS29.120.70ISBN978-2-8327-0361-8Warning!Makesur
16、ethatyouobtainedthispublicationfromanauthorizeddistributor.Attention!Veuillezvousassurerquevousavezobtenucettepublicationviaundistributeuragree.RegisteredtrademarkoftheInternationalElectrotechnicalCommissionMarquedeposeedeIaCommissionElectrotechniqueInternationaleCONTENTSFOREWORD31 Scope52 Normative
17、references53 Termsanddefinitions54 Testprocedure64.1 Purpose64.2 Procedure64.3 Conditionstobespecified65 Evaluation65.1 General65.2 Testreport7Bibliography8INTERNATIONALELECTROTECHNICALCOMMISSIONELECTRICALRELAYS-TESTSANDMEASUREMENTS-Part27:ElectricalcontactnoiseFOREWORD1) TheInternationalElectrotech
18、nicalCommission(IEC)isaworldwideorganizationforstandardizationcomprisingallnationalelectrotechnicalcommittees(IECNationalCommittees).TheobjectofIECistopromoteinternationalco-operationonallquestionsconcerningstandardizationintheelectricalandelectronicfields.Tothisendandinadditiontootheractivities,IEC
19、publishesInternationalStandards,TechnicalSpecifications,TechnicalReports,PubliclyAvailableSpecifications(PAS)andGuides(hereafterreferredtoasIECPubIication(三).Theirpreparationisentrustedtotechnicalcommittees;anyIECNationalCommitteeinterestedinthesubjectdealtwithmayparticipateinthispreparatorywork.Int
20、ernational,governmentalandnon-governmentalorganizationsliaisingwiththeIECalsoparticipateinthispreparation.IECcollaboratescloselywiththeInternationalOrganizationforStandardization(ISO)inaccordancewithconditionsdeterminedbyagreementbetweenthetwoorganizations.2) TheformaldecisionsoragreementsofIEContec
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