英国电网要求 bs-7671-2018_a1_2020-inc-corrigendum-may-2020_read-only.docx

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1、BRITISHSTANDARDBS7671:2018Amendment1:2020RequirementsforElectricalInstallationsbsi.IETWiringRegulationsEighteenthEditionTheInstitutionofEngineeringandTechnologyandBSI.NOCOPYINGINANYFORMWITHOUTWRITTENPERMISSIONPublicationInformationPublishedbytheInstitutionofEngineeringandTechnology,London,UnitedKing

2、dominagreementwithBSLIEbsi.TheInstitutionofEngineeringandTechnologyisregisteredasaCharityinEngland&Wales(no.211014)andScotland(no.SC038698).TheInstitutionofEngineeringandTechnologyistheinstitutionformedin2(X)6bythejoiningtogetheroftheIEE(theInstitutionofElectricalEngineers)andtheIIE(theInstitutionof

3、IncorporatedEngineers).BritishStandardsInstitutionistheindependentnationalbodyresponsibleforpreparingBritishStandards.ItpresentstheUKviewonstandardsinEuropeandattheinternationallevel.ItisincorporatedbyRoyalCharter.2008,2011,2013,2015,2018,2020theInstitutionOfEngineeringandTechnologyandBSIThisBritish

4、StandardwaspublishedunderthejointauthorityoftheIETandoftheStandardsPolicyandStrategyCommitteeon1July2018.ThispublicationiscopyrightundertheBemeConventionandtheUniversalCopyrightConvention.Allrightsreserved.Apartfromanyfairdealingfbrthepurposesofresearchorprivatestudy,orcriticismorreview,aspermittedu

5、ndertheCopyright,DesignsandPatentsAct1988thispublicationmaybereproduced,storedortransmitted,inanyformorbyanymeans,onlywiththepriorpermissioninwritingofthepublishers,orinthecaseofreprographicreproductioninaccordancewiththetermsoflicencesissuedbytheCopyrightLicensingAgency.Enquiriesconcerningreproduct

6、ionoutsidethosetermsshouldbesenttothepublishersalTheInstitutionofEngineeringandTechnology,MichaelFaradayHouse,SixHillsWay,Stevenage,SGl2AY,UnitedKingdomWhilethepublisherandcontributorsbelievethattheinformationandguidancegiveninthisworkiscorrect,allpartiesmustrelyupontheirownskillandjudgementwhenmaki

7、nguseofit.Thepublisherandcontributorsdonotassumeanyliabilitytoanyoneforanylossordamagecausedbyanyerrororomissioninthework,whethersucherrororomissionistheresultofnegligenceoranyothercause.Anyandallsuchliabilityisdisclaimed.TheUKparticipationinitspreparationwasentrustedtoJointTechnicalCommitteeJPEL/64

8、ElectricalInstallations.Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsiblefbritscorrectapplication.CompliancewithaBritishStandardcannotconferimmunityfromlegalobligations.The

9、IETistakingtheissuesfoundwithdangerouscounterfeitsofitstitlesveryseriously.Forinformationoncounterfeits,thehologramandhowtoidentifygenuineIETpublications,visit:https:/electrical.theiet.org/bs-7671/fake-awareness/ItistheconstantaimoftheIETandBSltoimprovethequalityofourproductsandservices.Weshouldbegr

10、atefulifanyonefindinganinaccuracyorambiguitywhileusingthisBritishStandardwouldinformtheSecretary,GDCronshawgcronshawtheiet.org,TheIET,SixHillsWay,Stevenage,SGl2AY,UnitedKingdom.ISBN978-1-83953-193-4(electronic)ISBN978-1-83953-194-1(VBID)TypesetintheUKbytheInstitutionofEngineeringandTechnology,Steven

11、ageCONTENTSFOREWORD4INTRODUCTIONTOAMENDMENT1:20204EDITIONS5PREFACE5NOTEBYTHEHEALTHANDSAFETYEXECUTIVE6NOTESONTHEPLANOFTHE18thEDITION6PART2DEFINITIONS7SYMBOLSUSEDINTHESTANDARD8PART7SPECIALINSTALLATIONSORLOCATIONS9SECTION700GENERAL9SECTION722ELECTRICVEHICLECHARGINGINSTALLATIONS9ANNEXA722GUIDANCEFORTNSY

12、STEMSWHEREPMECONDITIONSAPPLY13APPENDIX1(Normative)BRITISHSTANDARDSTOWHICHREFERENCEISMADEINTHISSTANDARD15INDEX16ForewordThisBritishStandardispublishedunderthedirectionoftheBritishEleclrotechnicalCommittee(BEC)andtheInstitutionofEngineeringandTechnology(IET).Followingafullreview,thisStandardreplacedth

13、e17thEditionoftheIEEWiringRegulationsBS7671:2008asamended.CopyrightisheldjointlybytheIETandBSI.TechnicalauthorityforthisStandardisvestedintheJoint1ETBS1TechnicalCommitteeJPEL/64.ThisJointTechnicalCommittee,whichisresponsiblefortheworkpreviouslyundertakenbytheIEEWiringRegulationsCommitteeandtheBSITec

14、hnicalCommitteePEL64,meetstheconstitutionalandoperationalrequirementsofbothparentbodies.JPEL/64hastheresponsibilityforthecontentofthisBritishStandardunderthejointauthorityoftheIETandtheBSIStandardsBoard.AllreferencesinthistexttotheWiringRegulationsortheRegulation(s),wherenototherwisespecificallyiden

15、tified,shallbetakentorefertoBS7671:2018RequirementsforElectricalInstallationsasamendedbyAmendment1,2020.AdditionsoralterationstoregulationsowingtotheissueofBS7671:2018areindicatedbyasidebarinthemargin.IntroductiontoAmendment1:2020Amendment1:2020toBS7671:2018RequirementsforElectricalInstallationswasi

16、ssuedon1stFebruary2020andmaybeimplementedimmediately.ElectricalinstallationsfallingwithinthescopeofSection722,theerectionofwhichiscommencedafter31stJuly2020,aretocomplywithBS7671:2018incorporatingAmendment1:2020.Amendment1:2020amendsSection722ElectricVehicleChargingInstallations.Part2Definitionsrela

17、tingtoSection722havebeenincluded.Section700GeneralThisoverarchingsectionexplainstheneedforPart7.Section722Electricvehiclecharginginstallations.Section722amended,basedonHD60364-7-722:2018.Section722appliestoelectricvehiclecharginginstallations.Itmodifiesthegeneralrequirementsforprotectionagainstelect

18、ricshock,andincludesspecificrequirementswithregardtoPMEsystems,socket-outletsandconnectors,externalinfluences,isolationandswitchingandRCDprotection.Regulation722.411.4.1addsindent(iv)whichaddsanalternativesolutionrequirementforcharginginstallations.Therequirementsofthissectiondonotapplytowirelesscha

19、rging,suchasinductivecharging.APPendiX1ReferencestoBritishStandardsforSection722havebeenincluded.IndexEntriesforSection722havebeenincluded.EditionsEIGHTEENTH EDITIONBS7671:2018issued,July2018.(BlueCover)Amendment1issued,February2020(electronic)PrefaceBS7671RequirementsforElectricalInstallationstakes

20、accountofthetechnicalsubstanceofagreementsreachedinCENELEC.Inparticular,thetechnicalintentoftheIbllowingCENELECHarmonizationDocumentisincluded:CENELECHDYearDocumentreferenceBS7671HD60364-7-7222018SuppliesforelectricvehiclesSection722WheretheabovedocumentcontainsUKspecialnationalconditions,thosecondi

21、tionshavebeenincorporatedwithinBS7671.IfBS7671isappliedinothercountriestheabovedocumentshouldbeconsultedtoconfirmthestatusofaparticularregulation.BS7671willcontinuetobeamendedfromtimetotimetotakeaccountofthepublicationofneworamendedCENELECandIECstandards.Theopportunityhasbeentakentoreviseregulations

22、thatexperiencehasshownrequireclarificationortoallowfornewtechnologyandmethods.ReferenceismadethroughoutBS7671topublicationsoftheBritishStandardsInstitution,bothspecificationsandcodesofpractice.Appendix1liststhesepublicationsandgivestheirfulllilieswhereasthroughoutBS7671theyarereferredtoonlybytheirnu

23、mbers.WherereferenceismadeinBS7671toaBritishStandardwhichtakesaccountofaCENELECHarmonizationDocument,EuropeanNorm(EN)orIECstandard,itisunderstoodthatthereferencealsorelatestoanyEuropeannationalstandardsimilarlyderivedfromtheCENELECstandard,althoughaccountneedstobetakenofanynationalexemptions.Notebyt

24、heHealthandSafetyExecutiveTheHealthandSafetyExecutive(HSE)welcomesthepublicationofBS7671:2018,RequirementsforElectricalInstallations,IETWiringRegulations18thEditionanditsupdatingwiththefirstamendment,publishedin2020.BS7671andtheIETIEEWiringRegulationshavebeenextensivelyreferredtoinHSEguidanceoverthe

25、years.InstallationswhichconformtothestandardslaiddowninBS7671:2018+A1:2020areregardedbyHSEaslikelytoachieveconformitywiththerelevantpartsoftheElectricityatWorkRegulations1989.ExistinginstallationsmayhavebeendesignedandinstalledtoconformtothestandardssetbyearliereditionsofBS7671ortheIETIEEWiringRegul

26、ations.ThisdoesnotmeanthattheywillfailtoachieveconformitywiththerelevantpartsoftheElectricityatWorkRegulations1989.Notesontheplanofthe18thEditionThisEditionisbasedontheplanagreedinternationallyforthearrangementofsafetyrulesforelectricalinstallations.Theregulationnumberingfollowsthepatternandcorrespo

27、ndingreferencesofIEC60364.Thenumberingdoesnot,therefore,necessarilyfollowsequentially.ThenumberingsystemusedinPart7isexplainedinSection700.Inthenumberingsystemused,thefirstdigitsignifiesaPart,theseconddigitaChapter,thethirddigitaSectionandthesubsequentdigitstheRegulationnumber.Forexample,Sectionnumb

28、er413ismadeupasfollows:PART4-PROTECTIONFORSAFETYChapter41(firstchapterofPart4)-PROTECTIONAGAINSTELECTRICSHOCKSection413(thirdsectionofChapter41)-PROTECTIVEMEASURE:ELECTRICALSEPARATIONPart 1 setsoutthescope,objectandfundamentalprinciples.Part 2 definesthesenseinwhichcertaintermsareusedthroughouttheRe

29、gulations,andprovidesalistofsymbolsusedandalistofabbreviationsusedintheStandard.Thesubjectsofthesubsequentpartsareasindicatedbelow:PartSubjectPart 3 IdentificationofthecharacteristicsoftheinstallationthatwillneedtobetakenintoaccountinchoosingandapplyingtherequirementsofthesubsequentParts.Thesecharac

30、teristicsmayvaryfromonepartofaninstallationtoanotherandshouldbeassessedforeachlocationtobeservedbytheinstallation.Part 4 Descriptionofthemeasuresthatareavailablefortheprotectionofpersons,livestockandproperty,andagainstthehazardsthatmayarisefromtheuseofelectricity.Part 5 Precautionstobetakeninthesele

31、ctionanderectionoftheequipmentoftheinstallation.Part 6 Inspectionandtesting.Part 7 Specialinstallationsorlocations-particularrequirements.ThesequenceoftheplanshouldbefollowedinconsideringtheapplicationofanyparticularrequirementoftheRegulations.Thegeneralindexprovidesareadyreferencetoparticularregula

32、tionsbysubject,butinapplyinganyoneregulationtherequirementsofrelatedregulationsshouldbeborneinmind.Cross-referencesareprovided,andtheindexisarrangedtofacilitatethis.Inmanycases,agroupofassociatedregulationsiscoveredbyasideheadingwhichisidentifiedbyatwo-partnumber,e.g.544.2.ThroughouttheRegulationswh

33、erereferenceismadetosuchatwo-partnumber,thatreferenceistobetakentoincludealltheindividualregulationnumberswhicharecoveredbythatsideheadingandincludethattwo-partnumber.TheRegulationsusetheIECdecimalpointnumberingsystemtomakeiteasiertoembodyfuturechangesandadditionsresultingfromongoinginternationalsta

34、ndardsworkwithinIECandCENELEC.InordertoidentifyandaccommodatefutureIECchangessomeregulationscarryeithera100or200numberwhere100numbersrepresentCENELECHarmonizationDocumentreferencenumbersand200numbersrepresentUK-onlyregulations.Someregulationshavenotbeenupdatedtoindicate100and200numbers;thatwillonlyb

35、edonewhenthoseregulationsrequireasignificantrewrite.Part2DEFINITIONSElectricvehicle(EV),722.Anyvehiclepropelledbyanelectricmotordrawingcurrentfromarechargeablestoragebatteryorfromotherportableenergystoragedevices(rechargeable,usingenergyfromasourceoffthevehiclesuchasaresidentialorpublicelectricityse

36、rvice),whichismanufacturedprimarilyforuseonpublicstreets,roadsorhighways. Chargingequipment.Anassemblyincludingoneormorechargingpoints. Electricvehiclechargingpoint.Thepointwheretheelectricvehicleisconnectedtothefixedinstallation.NOTE:Thechargingpointisasocket-outletwherethechargingcablebelongstothe

37、vehicle,oraconnector,wherethechargingcableisafixedpartoftheelectricvehiclesupplyequipment. Mode1charging.ConnectionoftheEVtotheACsupplynetworkutilizingstandardizedsocket-outletsnotexceeding16Aandnotexceeding250VACsingle-phaseor480VACthree-phase,atthesupplyside,andutilizingthepowerandprotectiveearthc

38、onductors(accordingtoBSEN61851-1). Mode2charging.ConnectionoftheEVtotheACsupplynetworkutilizingstandardizedsocket-outletsnotexceeding32Aandnotexceeding250VACsingle-phaseor480VACthree-phase,atthesupplyside,andutilizingthepowerandprotectiveearthconductorstogetherwithacontrolpilotfunctionandsystemofper

39、sonnelprotectionagainstelectricshock(RCD)betweentheEVandtheplugoraspartofthein-cablecontrolbox. Mode3charging.ConnectionoftheEVtotheACsupplynetworkutilizingdedicatedelectricvehiclesupplyequipmentwherethecontrolpilotfunctionextendstocontrolequipmentintheelectricvehiclesupplyequipment,permanentlyconne

40、ctedtotheACsupplynetwork. Mode4charging.ConnectionoftheEVtotheACsupplynetworkutilizinganoff-boardchargerwherethecontrolpilotfunctionextendstoequipmentpermanentlyconnectedtotheACsupply. Vehicleconnector.Partofavehiclecouplerintegralwith,orintendedtobeattachedio,theflexiblecableconnectedtotheACsupplyn

41、etwork(mains). Vehiclecoupler.MeansofenablingthemanualconnectionofaflexiblecabletoanEVforthepurposeofcharging.NOTE:Avehiclecouplerconsistsoftwoparts:avehicleconnectorandavehicleinlet.SYMBOLSUSEDINTHESTANDARDSymbolMeaningExampleSymbolMeaningExampleCJmaNisthemaximumvoltagefactortotakeaccountofA722.2IL

42、l1L2arethermsvaluesofcurrent(inamperes)inlinesA722.lvoltagevariationsdependingontimeandplace.andIi_31.2and3,respectively,thatwereusedwhenchangingoftransformertapsandotherdeterminingthevalueofImconsiderations.ForalowvoltagesupplygiveninaccordancewiththeESQCR,CmaX*sgiventhevalue1.1RAeisthesumoftheresi

43、stancesoftheearthelectrodeandtheprotectiveconductorconnectingittothemainearthingtenninalA722.3Iimitisthermsmaximumdemandcurrentofasingle-phaseinstallation(inamperes),includingthatoflheelectricvehiclechargingloadandanyotherloads,determinedinaccordancewithRegulation311.1A722.3oftheinstallation(inohms)

44、Imisthermsmaximumneutralcurrentofathree-phaseinstallation(inamperes),includingthatoftheelectricvehiclechargingloadandanyotherloads,determinedinaccordancewithRegulation311.1A722.1PART7SPECIALINSTALLATIONSORLOCATIONSCONTENTS700GENERAL722ELECTRICVEHICLECHARGINGINSTALLATIONSSECTION700GENERALTheparticula

45、rrequirementsforeachsection(specialinstallationorlocation)inPart7supplementormodifythegeneralrequirementscontainedinotherpartsofBS7671.Theabsenceofreferencetotheexclusionofapart,achapter,asectionoraregulationmeansthatthecorrespondinggeneralregulationsareapplicable.Thenumberappearingafterasectionnumb

46、ergenerallyreferstothecorrespondingchapter,sectionorregulationwithinParts1to6.Thenumberingdoesnot,therefore,necessarilyfollowsequentiallyandnewnumbershavebeenaddedasrequired.Numberingoffiguresandtablestakesthenumberofthesectionfollowedbyasequentialnumber.SECTION722ELECTRICVEHICLECHARGINGINSTALLATION

47、SNOTE:DefinitionsrelatingtoSection722canbefoundinPart2underelectricvehicle(EV),722.722.1 ScopeTheparticularrequirementsofthissectionapplytocircuitsintendedtosupplyelectricvehiclesforchargingpurposes.Therequirementsofthissectiondonotapplytoelectricvehiclechargingpointsthat:(i) employinductivecharging

48、(ii) chargemobilitysctersandsimilarvehiclesof10Aandless.722.3Assessmentofgeneralcharacteristics722.31Purposes,suppliesandstructure722.311Maximumdemandanddiversity722.311.201Loadcurtailment,includingloadreductionordisconnection,eitherautomaticallyormanually,maybetakenintoaccountwhendeterminingmaximumdemandoftheinstallationorpartthereof.722.312Conductorarrangementandsystemearthing722.312.2.1TNsystemsAcircuitsupplyingchargingequipmentforelectricvehiclesshallnotin