【英文标准名称】:High-voltageswitchgearandcontrolgear-Part110:Inductiveloadswitching
【原文标准名称】:高压开关设备和控制设备.第110部分:电感负载开关
【标准号】:IEC62271-110-2005
【标准状态】:作废
【国别】:国际
【发布日期】:2005-06
【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/SC17A
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;试验;电气工程;特性;合格试验;高压电器;高电压;开关设备;开关设备;绝缘;感应;常规检验;感应式调压器;变压器;高压开关设备;交流开关和控制开关
【英文主题词】:ACswitchgearandcontrolgear;Alternatingcurrent;Circuit-breakers;Circuits;Definition;Definitions;Dimensioning;Electricalengineering;Electricalequipment;Electricalsafety;EMC;Highvoltage;High-voltageequipment;High-voltageswitchgear;High-voltageswitchgears;Induction;Induction-voltageregulators;Inductive;Insulations;Outdoorstations;Properties;Protectionagainstelectricshocks;Qualificationtests;Ratedvoltages;Routinechecktests;Switchgear;Switchgears;Testing;Transformers
【摘要】:ThisInternationalStandardisapplicabletoa.c.circuit-breakersdesignedforindoororoutdoorinstallation,foroperationatfrequenciesof50Hzand60Hzonsystemshavingvoltagesabove1000Vandappliedforinductivecurrentswitchingwithorwithoutadditionalshort-circuitcurrentbreakingduties.Thestandardisapplicabletocircuit-breakersinaccordancewithIEC62271-100thatareusedtoswitchhigh-voltagemotorcurrentsandshuntreactorcurrentsandalsotohigh-voltagecontactorsusedtoswitchhigh-voltagemotorcurrents[1].Switchingunloadedtransformers,i.e.breakingtransformermagnetizingcurrent,isnotconsideredinthisstandard.Thereasonsforthisareasfollows:a)duetothenon-linearityofthetransformercore,itisnotpossibletocorrectlymodeltheswitchingoftransformermagnetizingcurrentusinglinearcomponentsinatestlaboratory.Testsconductedusinganavailabletransformer,suchasatesttransformer,willonlybevalidforthetransformertestedandcannotberepresentativeforothertransformers;b)asdetailedintheguideforapplicationofIEC62271-100andIEC60694(hereafterreferredtoastheguide[2]),thecharacteristicsofthisdutyareusuallylessseverethananyotherinductivecurrentswitchingduty.Itshouldbenotedthatsuchadutymayproducesevereovervoltageswithinthetransformerwinding(s)dependingonthecircuit-breakerre-ignitionbehaviourandtransformerwindingresonancefrequencies.Short-linefaults,out-of-phasecurrentmakingandbreakingandcapacitivecurrentswitchingarenotapplicabletocircuit-breakersappliedtoswitchshuntreactorsormotors.Thesedutiesarethereforenotincludedinthisstandard.Subclause1.1ofIEC62271-100isotherwiseapplicable.note:1Figuresinsquarebracketsrefertothebibliography.
【中国标准分类号】:K43
【国际标准分类号】:29_130_10
【页数】:62P;A4
【正文语种】:英语