【英文标准名称】:Electricalaccessories-Residualcurrentmonitorsforhouseholdandsimilaruses(RCMs)(IEC62020:1998+A1:2003,modified);GermanversionEN62020:1998+A1:2005
【原文标准名称】:电气附件.家用和类似用途剩余电流监测器(RCMs)
【标准号】:EN62020-2005
【标准状态】:现行
【国别】:
【发布日期】:2005-11
【实施或试行日期】:2005-11-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:剩余电流操作保护系统;试验;特性;电气工程;定义;规范(验收);测量仪器;分类系统;设计;型式;RCD;自动断路器;电流额定值;试验条件;额定电压;家用(安装)设备;获得;比较;控制仪器;操作;断路器;电力设备;开关;家用;差分电流
【英文主题词】:Acquisition;Circuit-breakers;Classificationsystems;Comparison;Controlinstruments;Currentratings;Definition;Definitions;Design;Differentialcurrents;Electricalengineering;Electricalinstallations;Houseinstallations;Householduse;Incription;Measuringinstruments;Operation;Properties;Ratedvoltages;RCD;Residualcurrent-operatedprotectivesystem;Self-actingcircuit-breakers;Specification(approval);Switches;Testing;Testingconditions;Types
【摘要】:
【中国标准分类号】:P91
【国际标准分类号】:29_120_50
【页数】:97P.;A4
【正文语种】:英语


【英文标准名称】:Superconductivity-Part5:Matrixtosuperconductorvolumeratiomeasurement;CoppertosuperconductorvolumeratioofCu/Nb-Ticompositesuperconductors
【原文标准名称】:超导体第5部分:超导体体积换算系数测量铜对铜/铌-钛复合超导体的超导体体积系数
【标准号】:IEC61788-5-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-12
【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/TC90
【标准类型】:()
【标准水平】:()
【中文主题词】:钛合金;铌;超导性;超导体;电气工程;电流测量;体积;铜导线;钛;铜合金;测量;铜
【英文主题词】:Copper;Copperalloys;Copperconductors;Currentmeasurement;Electricalengineering;Measurement;Niobium;Superconductivity;Superconductors;Titanium;Titaniumalloys;Volume
【摘要】:ThispartofIEC61788coversatestmethodforthedeterminationofcoppertosuper-conductorvolumeratioofCu/Nb-Ticompositesuperconductingwire.ThistestmethodisintendedforusewithCu/Nb-Ticompositesuperconductingwireswithacross-sectionalareaof0,1mmto3mm,adiameteroftheNb-Tifilament(s)of2μmto200μm,andacoppertosuperconductorvolumeratioof0,5ormore.TheCu/Nb-Ticompositetestconductordiscussedinthismethodhasamonolithicstructurewitharoundorrectangularcross-section.Thistestmethodiscarriedoutbydissolvingthecopperwithnitricacid.Deviationsfromthistestmethodthatareallowedforroutinetestsandotherspecificrestrictionsaregiveninthisstandard.Cu/Nb-Ticonductorsbeyondthelimitsinthecross-sectionalarea,thefilamentdiameterandthecoppertosuperconductorvolumeratiocouldbemeasuredwiththispresentmethodwithananticipatedreductioninprecision.Other,morespecialized,specimentestgeometriesmaybemoreappropriateforconductorsbeyondthelimitsandhavebeenomittedfromthispresentstandardforsimplicityandtoretainprecision.Thetestmethodgiveninthisstandardisexpectedtoapplytoothersuperconductingcompositewiresaftersomeappropriatemodifications.
【中国标准分类号】:L47
【国际标准分类号】:29_050
【页数】:14P.;A4
【正文语种】:英语