IEC 61557-9-2023.docx

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1、IECIEC61557-9Edition4.02023-12INTERNATIONA1.STANDARDNORMEINTERNATIONA1.EE1.ectrica1.safetyin1.owvo1.tagedistributionsystemsupto1000VACand1500VDC-Equipmentfortesting,measuringormonitoringofprotectivemeasures-Part9:Equipmentforinsu1.ationfau1.t1.ocationinITsystemsSecuritee1.ectriquedansIesreseauxdedis

2、tributionbassetensionaup1.usega1.ea1000VC.Aet1500VC.C-Dispositifsdecontr1.e,demesureoudesurvei1.1.ancedemesuresdeprotection-Partie9:Disposrtifsde1.oca1.isationdedefautsdiso1.ementpourreseauxITATHISPUB1.ICATIONISCOPYRIGHTPROTECTEDCoPyright2023IEC1Geneva,Switzer1.andAJ1.rightsreset伯&UnteesO1.herWigesp

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11、o5bcsoi11s.E1.ectropedmwww.e1.ctropetaorg1.epremierdictionaifecf61.ecrocnoioeenIigneaumonde,avecp1.usde22300a11ctesIBEnOogqusenang1.ais1.efranais.nsiqe1.esefmes6quiva1.ensdans19Ianguesaddibo11e*s9a1.11niappeeVocatxi1.areEtectfotechniqueInjefnaionaJ(IEVenigne.IEC61557-9Edition4.02023-12INTERNATIONA1.

12、STANDARDNORMEINTERNATIONA1.EE1.ectrica1.safetyin1.owvo1.tagedistributionsystemsupto1000VACand1500VDC-Equipmentfortesting,measuringormonitoringofprotectivemeasures-Part9:Equipmentforinsu1.ationfau1.t1.ocationinITsystemsSecuritee1.ectriquedansIesreseauxdedistributionbassetensionaup1.usega1.ea1000VC.Aet1500VC.C-Dispositifsdecontr1.e,demesureoudesurvei1.1.ancedemesuresdeprotection一Part1.