IEC_64-1381e-CD.pdfVIP免费

64/1381/CDCOMMITTEEDRAFT(CD)IEC/TCorSC:TC64ProjectnumberIEC60364-4-44,A2,f2,Ed.1TitleofTC/SC:ElectricalinstallationsandprotectionagainstelectricalshockDateofcirculation2004-03-19Closingdateforcomments2004-06-25AlsoofinteresttothefollowingcommitteesSupersedesdocuments64/1341/CD–64/1380/CCFunctionsconcerned:SafetyEMCEnvironmentQualityassuranceSecretary:Dipl.-Ing.R.Pelta,GermanyE-mail:reinhard.pelta@siemens.comTHISDOCUMENTISSTILLUNDERSTUDYANDSUBJECTTOCHANGE.ITSHOULDNOTBEUSEDFORREFERENCEPURPOSES.RECIPIENTSOFTHISDOCUMENTAREINVITEDTOSUBMIT,WITHTHEIRCOMMENTS,NOTIFICATIONOFANYRELEVANTPATENTRIGHTSOFWHICHTHEYAREAWAREANDTOPROVIDESUPPORTINGDOCUMENTATION.Title:Amendment2andf2toIEC60364-4-44,Ed.1:Electricalinstallationsofbuildings-Part4-44:Protectionforsafety-Protectionagainstvoltagedisturbancesandmeasuresagainstelectromagneticinfluences-Clause444:Measuresagainstelectromagneticinfluences(Titre):IntroductorynoteFORMCD(IEC)2002-05-14Copyright©2004InternationalElectrotechnicalCommission,IEC.Allrightsreserved.Itispermittedtodownloadthiselectronicfile,tomakeacopyandtoprintoutthecontentforthesolepurposeofpreparingNationalCommitteepositions.Youmaynotcopyor"mirror"thefileorprintedversionofthedocument,oranypartofit,foranyotherpurposewithoutpermissioninwritingfromIEC.XXXIEC:200X–2–64/1381/CDINTERNATIONALELECTROTECHNICALCOMMISSION_________ELECTRICALINSTALLATIONSOFBUILDINGS−−−−Part4:Protectionforsafety−−−−Part4-44:Protectionagainstvoltagedisturbancesandmeasuresagainstelectromagneticinfluences−−−−Clause444:MeasuresagainstelectromagneticinfluencesClause440:INTRODUCTION,page9Substitutetheparagraphbeginningwith:“IntroductionIEC60364-4-444”andendingbeforethesentence“Clause445...”bythefollowingtext:Clause444providesbasicrecommendationsforthemitigationofelectromagneticdisturbances.ElectromagneticInterferences(EMI)maydisturbordamageinformationtechnologysystemsorIT-equipmentandequipmentwithelectroniccomponentsorcircuitsaswell.Currentsduetolightning,switchingoperations,short-c...