DIN 21901 Bb.1-1989 矿山测量平面图.标准的结构和标准一览表:内容概述

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【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.感应式负载开关
【标准号】:BSEN62271-110-2005
【标准状态】:作废
【国别】:英国
【发布日期】:2006-03-31
【实施或试行日期】:2006-03-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:交流开关和控制开关;交流电流;断路器;电路;定义;尺寸选定;电气工程;电气设备;电气安全;电磁兼容性;高电压;高压电器;高压开关设备;感应;感应式调压器;绝缘;室外电站;特性;合格试验;额定电压;常规检验;开关设备;试验
【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;Qualificationtests;Ratedvoltages;Routinechecktests;Switchgear;Switchgears;Testing
【摘要】:ThisInternationalStandardisapplicabletoa.c.circuit-breakersdesignedforindoororoutdoorinstallation,foroperationatfrequenciesof50Hzand60Hzonsystemshavingvoltagesabove1000Vandappliedforinductivecurrentswitchingwithorwithoutadditionalshort-circuitcurrentbreakingduties.Thestandardisapplicabletocircuit-breakersinaccordancewithIEC62271-100thatareusedtoswitchhigh-voltagemotorcurrentsandshuntreactorcurrentsandalsotohigh-voltagecontactorsusedtoswitchhigh-voltagemotorcurrents[1]1.Switchingunloadedtransformers,i.e.breakingtransformermagnetizingcurrent,isnotconsideredinthisstandard.Thereasonsforthisareasfollows:a)duetothenon-linearityofthetransformercore,itisnotpossibletocorrectlymodeltheswitchingoftransformermagnetizingcurrentusinglinearcomponentsinatestlaboratory.Testsconductedusinganavailabletransformer,suchasatesttransformer,willonlybevalidforthetransformertestedandcannotberepresentativeforothertransformers;b)asdetailedintheguideforapplicationofIEC62271-100andIEC60694(hereafterreferredtoastheguide[2]),thecharacteristicsofthisdutyareusuallylessseverethananyotherinductivecurrentswitchingduty.Itshouldbenotedthatsuchadutymayproducesevereovervoltageswithinthetransformerwinding(s)dependingonthecircuitbreakerre-ignitionbehaviourandtransformerwindingresonancefrequencies.Short-linefaults,out-of-phasecurrentmakingandbreakingandcapacitivecurrentswitchingarenotapplicabletocircuit-breakersappliedtoswitchshuntreactorsormotors.Thesedutiesarethereforenotincludedinthisstandard.Subclause1.1ofIEC62271-100isotherwiseapplicable.
【中国标准分类号】:K43
【国际标准分类号】:33_100_10;33_100_20
【页数】:30P.;A4
【正文语种】:英语


Product Code:SAE AMS2406
Title:Plating, Chromium, Hard Deposit
Issuing Committee:Ams B Finishes Processes And Fluids Committee
Scope: This specification covers the engineering requirements for electrodeposited hard chromium plate and processing requirements..