电磁干扰测试项目整理.pdf

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1、Directives&StandardsTechnicalInformationEMCElectromagneticCompatibility(EMC)GeneralTheaimofelectromagneticcompatibilityconsiderationsisNote:TheEuropeanEMCDirectivedoesnotcoverthein-toavoidorminimizetheinfluenceofelectromagneticphe-teractionbetweentechnicalapparat

2、usandthebiologicalnomenaonadevice,equipmentorsystemandonlivingorenvironment.inertmatter.Toachievethis,methodsofmeasurementandtest,aswellaslimitsandlevelsofelectromagneticemis-sionandofelectromagneticimmunityaredefinedinalargenumberofEMCpublications.TypesofEMCPubl

3、icationsEMCpublicationsandstandards,developedbytheIECProductandProductFamilyEMCStandardstakeprec-andotherstandardizationbodies,canbedividedintofouredenceoverGenericEMCStandardsandProductEMCgeneralcategories:StandardstakeprecedenceoverProductFamilyEMCGenericEMCSta

4、ndards,BasicEMCPublications,ProductStandards.familyEMCStandardsandProductEMCStandards.TheseThedistinctionbetweenthesefourtypesofEMCpublica-termsaredefinedinthecorrespondingchaptersbelow.tionsisnotyetconsequentlyappliedwithintheIEC,CISPRandCenelec(EN).GenericEMCSt

5、andardsGenericEMCStandardsspecifyrequirementsforproductsGenericEMCStandardscanbeconsideredtobegeneralandsystemsoperatinginresidentialorindustrialenviron-ProductStandardsinthattheyspecifyalimitednumberofments.TheyapplytoproductsforwhichnodedicatedProd-essentialemi

6、ssionandimmunitytests,maximumemissionuctFamilyEMCStandardsorProductEMCStandardsex-levelsaswellasminimumimmunitytestlevelswithas-ist.signedperformancecriteriabutrefertotheBasicEMCStandardsfordetailedmeasurementandtestmethods.Table1:GenericEMCEmissionStandards(only

7、partsrelevanttopowersupplies)IEC61000-6-3/EN50081-1:IEC61000-6-4/EN50081-2:Electromagneticcompatibility–Genericstandards–Electromagneticcompatibility–Genericstandards–Emissionstandardforresidential,commercialandEmissionstandardforindustrialenvironmentslight-indus

8、trialenvironmentsPortReferencedFrequencyrangeandReferencedFrequencyrangeandrequiredlimitbasicstandardrequiredlimitbasicstandardCaseCISPR22/30...1000MHz,classBC