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1、InformationfromWhatisEMC?WhatisCEMarking?EMCElectromagneticCompatibilityEmissionCISPRPublications11,14,16,22ConductedEmissiononPowermainsConductedEmissiononDataandSignalLinesRadiatedEmissionM-field,E-FieldImmunityBasicstandardsIEC61000-4-xxPhenomenaOr
2、ientedIECInternationalElectricalCommissionResidence:Geneva(Switzerland)Members:42countryCommittees:TC/SC198EMCwithinIECTC77ElectromagneticCompatibilityThescopecoversthefollowingaspectsofEMCImmunity,overthewideFrequencyrange.Emission,inthelowfrequencyr
3、ange(upto9kHz)Emissioninthehighfrequencyrange(over9kHz)inco-ordinationwithCISPR,anddisturbancesnotcoveredbyCISPR.StructureoftheIECTC77SC77A:LowfrequencydisturbanceSC77B:HighfrequencydisturbanceSC77C:ImmunitytoHighAltitudeNuclearElectromagneticPulse(HA
4、-NEMP)NotintheresponseoftheTC77,standardsonEMCforVehicles,ships,planes,specialradioandtelecomsystemsandworkwhichbelongstoaimsofCISPR.StatusofBasicImmunityStandardIEC61000-4-xxRangeofStandardIEC61000-4-1OverviewonEMCImmunityTestsContents:Overviewconcer
5、ningthevariousphenomena.Status:PublishedasIEC1000-4-xx1992,availablefromtheIECIEC61000-4-2ElectrostaticDischargeImmunityTest(ESD)Contents:ConversionoftheIEC801-2intotheBasicStandard.TestswithElectrostaticDischargefrom2to15kVStatus:TheDISisApprovedandp
6、ublishedas1995.ESDContactDischargeIEC61000-4-3ImmunitytoRadioFrequencyEM-Fields.Contents:Freefieldtestinginthefrequencyrangefrom80to1000MHzatfieldstrengthsof1to10V/mStatus:TheDISisapprovedinIECandispublishedas1995.IEC61000-4-4ElectricalFastTransient/B
7、urstImmunityTestContents:Line-relatedTestwithFastTransientsatHighRepetitionFrequencywithVoltagesbetween250Vand4kV withthePulseForm5/50ns.Status:Publishedas1994inIECandCENELECFT/BTestrevisionContents:OptionalBurstFrequencyof100kHz,betterspecificationof
8、pulsewidth,0.75ns,truecommonmodecouplingonly.Status:ACDisinpreparation.IEC61000-4-4Rev.EFTWaveformIEC61000-4-4IEC61000-4-5SurgeImmunityRequirements.Contents:Line-related,Energy-Richpulsesof1.2/50us,8/20usand10/700at0.5to4kV.(LightingSurge)Stat
