IEC_60364-4-44_A2_64_1344_CD.pdfVIP免费

64/1344/CDCOMMITTEEDRAFT(CD)IEC/TCorSC:TC64ProjectnumberIEC60364-4-44,A2,f1,Ed.1TitleofTC/SC:ElectricalinstallationsandprotectionagainstelectricalshockDateofcirculation2003-10-17Closingdateforcomments2004-01-23AlsoofinteresttothefollowingcommitteesTC99Supersedesdocument64/1343/MCRFunctionsconcerned:SafetyEMCEnvironmentQualityassuranceSecretary:Dipl.-Ing.R.Pelta(Germany)E-mail:reinhard.pelta@siemens.comTHISDOCUMENTISSTILLUNDERSTUDYANDSUBJECTTOCHANGE.ITSHOULDNOTBEUSEDFORREFERENCEPURPOSES.RECIPIENTSOFTHISDOCUMENTAREINVITEDTOSUBMIT,WITHTHEIRCOMMENTS,NOTIFICATIONOFANYRELEVANTPATENTRIGHTSOFWHICHTHEYAREAWAREANDTOPROVIDESUPPORTINGDOCUMENTATION.Title:Amendment2andf1toIEC60364-4-44,Ed.1:Electricalinstallationsofbuildings-Part4:Protectionforsafety-Part4-44:Protectionagainstvoltagedisturbancesandmeasuresagainstelectromagneticinfluences-Clause442:Protectionoflow-voltageinstallationsagainsttemporaryovervoltagesandfaultsbetweenhigh-voltagesystemsandearth(Titre):IntroductorynoteThisdrafthasbeenpreparedbyTC64/WG9intheframeofmaintenanceofPart44ofIEC60364.FORMCD(IEC)2002-05-14Copyright©2003InternationalElectrotechnicalCommission,IEC.Allrightsreserved.Itispermittedtodownloadthiselectronicfile,tomakeacopyandtoprintoutthecontentforthesolepurposeofpreparingNationalCommitteepositions.Youmaynotcopyor"mirror"thefileorprintedversionofthedocument,oranypartofit,foranyotherpurposewithoutpermissioninwritingfromIEC.XXXIEC:200X–2–64/1344/CDINTERNATIONALELECTROTECHNICALCOMMISSION––––––––––ELECTRICALINSTALLATIONSOFBUILDINGS–Part4-44:Protectionforsafety–Protectionagainstvoltagedisturbancesandelectromagneticdisturbances440IntroductionPart4-44ofIEC60364providesrulesfortheprotectionagainsttheeffectsofdisturbancesgenerated,conductedandradiatedfordifferentreasonsonelectricalinstallations.Therulesofthisstandarddonotapplytosystemswhicharewhollyorpartlyundercontrolofpublicpowersupplycompanies(seescopeofIEC60364-1)althoughdisturbancesinfluencingtheelectricalinstallationsmaybeconductedviathe...