IEC_EN62493解析

1PresentedByDr.KCLEEHongKongStandards&TestingCentre(HKSTC)2011-05-28EN/IEC62493AssessmentofLightingEquipmentrelatedtoHumanExposuretoElectromagneticFields2BackgroundInternationalCommissiononNon-IonizingRadiationProtection國際非電離輻射防護委員會（ICNIRP）Directeffectsofelectromagneticfields-Cellularandanimalstudies電場和磁場的直接影響-細胞和動物研究3BackgroundBiologicaltissuewillbeaffectedifitisexposedinasignificantEMFenvironment(inducedelectricfieldandcurrentdensity).Thehumansenseswillalsobealtered.Nerveandneuromuscularstimulation.DamageofEMFtothebiologicaltissueanditsirreversibilitywillincreasewiththeexposuretime.Theeffectofelectricandmagneticfieldtohumanhead,neckandtrunkshouldbelimited.4BackgroundUndertheLowVoltageDirective(LVD)EN62233:2008“Measurementmethodsforelectromagneticfieldsofhouseholdappliancesandsimilarapparatuswithregardtohumanexposure”.In2011-03-18,“AssessmentofLightingEquipmentrelatedtoHumanExposuretoElectromagneticFields”(EN62493:2010)hasbeenlistedintheOfficialJournalofLVDDirective2006/95/EC.5ScopeofIEC/EN62493StandardsValidPeriodStandardsDateofPublication(DoP)DateofWithdrawal(DoW)ReferenceofsupersededstandardEN62493:20102010-11-012013-02-01--IEC62493:20092009-12----6ScopeofIEC/EN62493RelevantLightingProducts:Allindoorand/oroutdoorlightingequipmentforilluminationpurposeswithACorbatterypowersupply,whichincludeallindustrial,residential,publicandstreetlighting.Independentauxiliariesexclusivelyfortheusewithlightingequipment.ExemptedLightingProducts:Lightingequipmentforaircraftandairfields.Lightingequipmentforroadvehicles(exceptlightingusedfortheilluminationofpassengercompartmentsinpublictransport).Lightingequipmentforagriculture.Lightingequipmentforboats/vessels.Photocopiers,slideprojectors.7ScopeofIEC/EN62493Theassessment/testconsistsof:1.Theinducedcurrentdensityforfrequenciesfrom20kHzto10MHz2.Thespecificabsorptionrate(SAR)forfrequenciesfrom100kHzto300MHzaroundlightingequipment.ItsimulatestheEMFeffectmeasurementofapersonnearthelightingequipment.–the“VanderHoofden”test-headforitem1.8ScopeofIEC/EN62493Item2:Thespecificabsorptionrate(SAR)100kHzto300MHzaroundlightingequipment.Theproduct(DUT)fulfilstheaboverequirementwhenitfulfilsCISPR15:2005,Amendment1(2006):–§4.3.1:Disturbancevoltagemainsterminalsinthefrequencyrangefrom20kHzto30MHz;–§4.4:Radiatedelectromagneticdisturbancesinthefrequencyrangefrom100kHzto30MHz;–§4.4.2:Radiatedelectromagneticdisturbancesinthefrequencyrangefrom30MHzto300MHz;9IEC/EN62493GeneralRequirements:SupplyVoltage:+/-2%ofthemaximumratedsupplyvoltage.ForVoltagerange:+/-2%oftheminimumandmaximumnominalsupplyvoltages.AmbientTemperature:15°Cto25°C.TestLocation:insideastandardEmissionAnechoicChamber.10IEC/EN62493DUTOperatingConditions:OperatingconditionsforgenerallightingequipmentDUToperatingconditionsarespecifiedbythemanufacturer.Priortomeasurement,thelamp(s)shallbeoperateduntilstabilizationhasbeenreached.Unlessotherwisestatedbythemanufacturer,thefollowingstabilizationtimesshallbeobserved:–15minutesforfluorescentlamps,–30minutesforotherdischargelamps.Allmeasurementshavetobedonewith100hagedlamps.11IEC/EN62493DUTOperatingConditions:OperatingconditionsforspecificlightingequipmentMultiplelamplightingequipment-alllampsshallbeoperatedsimultaneously.Self-containedemergencylightingequipments-itshallbetestedinmains-operatingmode.Notestsarerequiredinthebattery-operatingmode.Lightingequipmentcapableoflightregulationshallbemeasuredatboththemaximumandminimumlimitoflightregulation.12IEC/EN62493TestEquipment:Anelectromagneticinterference(EMI)testreceiverorspectrumanalyseraccordingtoCISPR16-1-1withthesettingsgivenbelowtable:Frequencyrange6dBbandwidthaccordingtoCISPR16-1-1MeasurementtimeFrequencystepDetector20kHz–150kHz200Hz100ms220HzPeak150kHz–10MHz9kHz20ms10kHzPeak13IEC/EN62493TestEquipment:A“VanderHoofden”test-head,consistsofaconductingspherewithanoutsidediameterofDhead=210mm±5mmmountedonaninsulated(e.g.wood,plastic)supportandconnectedviaanordinarywiretoaprotectionnetwork.14IEC/EN62493TestEquipment:Thetransferfunctionoftheprotectionnetworkshallnotdeviatemorethan±1dBfromthecalculatedcharacteristic.15IEC/EN62493MeasurementSetup:16Insulatedsupportmin.0.8mOrdinarywire30cm±3cm50Ωcoaxialcablemax.0.2dBcableloss,d.c.resistanceof≤10ΩIEC/EN62493MeasurementSetup:Duringthetestsnoconductiveplaneorobjectorhumanbeingshouldbeclosertothelightingequipmentthan0.8m.17IEC/EN62493Measurementdistance•ReferstothemeasurementdistancegiveninTableA.1ofAnnexAunlessotherwisespecifiedbythemanufacturer.•Tolerancesofthemeasurementdistancesare±5%.•Duringthetestsnoconductiveplaneorobjectorhumanbeingshouldbeclosertothelightingequipmentthan0.8m.1819Measurementdistances20SwimmingPool&UnderwaterLightsExamplesofdifferentlightingproductsTableLampsWallLightingequipment21ExamplesofdifferentlightingproductsSuspendedLightEquipmentCeiling/RecessedLightsPortableLightingEquipment22ExamplesofdifferentlightingproductsFloodLightsRoad&StreetLightsStageLights23ExamplesofdifferentlightingproductsUV/IRRadiationEquipmentAquariumLightingsPlug-innightlights24Locationofte