【英文标准名称】:Electromagneticcompatibility(EMC)-Part2-12:Environment;Compatibilitylevelsforlow-frequencyconducteddisturbancesandsignallinginpublicmedium-voltagepowersupplysystems;BasicEMCPublication
【原文标准名称】:电磁兼容性(EMC).第2-12部分:环境.在公供中压供电系统中低频传导干扰和信号传输的兼容性水平.基础EMC出版物
【标准号】:IEC61000-2-12-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-04
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC77A
【标准类型】:()
【标准水平】:()
【中文主题词】:环境影响;电磁干扰;低压电源;电气工程;电磁兼容性;信号传输;定义
【英文主题词】:Alternatingcurrent;Compatibility;Definitions;Electricpowernetworks;Electricpowersystems;Electricalengineering;Electromagnetic;Electromagneticcompatibility;Electromagneticinterferences;Electromagnetism;EMC;Energysupplysystems(buildings);Environmentalconditions;Environmentaleffects;Influencequantities;Interferencerejections;Interferences;Interferingemissions;Limits(mathematics);Lowvoltagemains;Measurement;Mediumvoltage;Signaltransmission
【摘要】:ThispartofIEC61000isconcernedwithconducteddisturbancesinthefrequencyrangefrom0kHzto9kHz,withanextensionupto148,5kHzspecificallyformainssignallingsystems.Itgivescompatibilitylevelsforpublicmediumvoltagea.c.distributionsystemshavinganominalvoltagebetween1kVand35kVandanominalfrequencyof50Hzor60Hz(seeIEC60038).Compatibilitylevelsarespecifiedforelectromagneticdisturbancesofthetypeswhichcanbeexpectedinpublicmediumvoltagepowersupplysystems,forguidancein:a)thelimitstobesetfordisturbanceemissionintopublicpowersupplysystems(includingtheplanninglevelsdefinedin3.1.5);b)theimmunitylimitstobesetbyproductcommitteesandothersfortheequipmentexposedtotheconducteddisturbancespresentinpublicpowersupplysystems.Thedisturbancephenomenaconsideredare:·voltagefluctuationsandflicker;·harmonicsuptoandincludingorder50;·inter-harmonicsuptothe50harmonic;·voltagedistortionsathigherfrequencies(above50harmonic);·voltagedipsandshortsupplyinterruptions;·voltageunbalance;·transientovervoltages;·powerfrequencyvariation;·d.c.components;·mainssignalling.MostofthesephenomenaaredescribedinIEC61000-2-1.Incaseswhereitisnotyetpossibletoestablishcompatibilitylevels,someinformationisprovided.Themedium-voltagesystemscoveredbythisstandardarepublicdistributionsystemssupplyingeither:a)privateinstallationsinwhichequipmentisconnecteddirectlyorthroughtransformers,orb)substationsfeedingpubliclow-voltagedistributionsystems.Thecompatibilitylevelsspecifiedinthisstandardapplyatthepointofcommoncouplinginthecaseof(a)andatthemedium-voltageterminalsofthesubstationinthecaseof(b).SeeClause4.
【中国标准分类号】:L06
【国际标准分类号】:33_100_10
【页数】:64P.;A4
【正文语种】:英语