BS 6916-8-1988 链锯.第8部分:手传递振动的测量方法

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【英文标准名称】:Instrumenttransformers-Currenttransformers
【原文标准名称】:仪表变压器.电流互感器
【标准号】:BSEN60044-1-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-11-15
【实施或试行日期】:1999-11-15
【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】:耐电压;准确度;性能试验;作标记;分类系统;机械试验;电学测量;电压;误差分析;误差;额定电流;漏电路径;仪表用变压器;过电压试验;等级(质量);脉冲电压试验;绕组;定型试验;电路;额定电压;工作环境;相位移;静荷载;介电测量;温升极限;局部放电;温度;电流互感器;额定值;电容测量;脉冲电压;电气设备;电气试验;电学测量仪表;电绝缘;试验条件;电子设备及元件;变压器
【英文主题词】:Currenttransformers;Definitions;Degreesofprotection;Electricalengineering;Electricalsafety;Instrumenttransformers;Insulations;Limits(mathematics);Marking;Operation;Performanceinservice;Potentialtransformers;Precision;Protection;Protectiondevices;Qualificationtests;Ratingplates;Ratings;Routinechecktests;Specification(approval);Testing;Transformers;Turns;Types
【摘要】:ThispartofIEC44appliestonewlymanufacturedcurrenttransformersforusewithelectricalmeasuringinstrumentsandelectricalprotectivedevicesatfrequenciesfrom15Hzto100Hz.Althoughtherequirementsrelatebasicallytotransformerswithseparatewindings,theyarealsoapplicable,whereappropriate,toautotransformers.Clause11coverstherequirementsandtests,inadditiontothoseinclauses3,4,5,6,7,8,9and10,thatarenecessaryforcurrenttransformersforusewithelectricalmeasuringinstruments.Clause12coverstherequirementsandtests,inadditiontothoseinclauses3,4,5,6,7,8,9and10,thatarenecessaryforcurrenttransformersforusewithelectricalprotectiverelays,andinparticularforformsofprotectioninwhichtheprimerequirementisthemaintenanceofaccuracyuptoseveraltimestheratedcurrent.Forcertainprotectivesystems,wherethecurrenttransformercharacteristicsaredependantontheoveralldesignoftheprotectiveequipment(forexample,high-speedbalancedsystemsandearth-faultprotectioninresonantearthednetworks),additionalrequirementsaregiveninclause13forclassPRtransformersandinclause14forclassPXtransformers.Clause13coverstherequirementsandtestsinadditiontothoseinclause3,4,5,6,7,8,9and10thatarenecessaryforcurrenttransformersforusewithelectricalprotectiverelays,andinparticularforformsofprotectioninwhichtheprimerequirementistheabsenceofremanentflux.Clause14coverstherequirementsandtestsinadditiontothoseinclauses3,4,5,6,7,8,9and10thatarenecessaryforcurrenttransformersforusewithelectricalprotectiverelays,andinparticularforformsofprotectionforwhichknowledgeofthetransformer'ssecondaryexcitationcharacteristic,secondarywindingresistance,secondaryburdenresistanceandturnsratioissufficienttoassessitsperformanceinrelationtotheprotectiverelaysystemwithwhichitistobeused.Currenttransformersintendedforbothmeasurementandprotectionshallcomplywithalltheclausesofthisstandard.Instrumenttransformers(ITs)areconsideredtobepassiveelements.NOTEForoutdoorITshavingvoltages≥123kVtheRIVmeasurementsaresuitabletocovertherequirementsofEMCDirective.ForguidanceofthetestprocedureEN60694:1996,§6.3mightbefollowed.
【中国标准分类号】:L17
【国际标准分类号】:17_220_20
【页数】:50P.;A4
【正文语种】:英语


【英文标准名称】:Maximumlampoutlinesforincandescentlamps;Amendment6
【原文标准名称】:白炽灯的最大外形尺寸.修改件6
【标准号】:IEC60630AMD6-2009
【标准状态】:现行
【国别】:国际
【发布日期】:2009-05
【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/SC34A
【标准类型】:()
【标准水平】:()
【中文主题词】:数据表;尺寸;图纸;电气工程;工程图;外层;照明工程;白炽灯;灯;照明系统;外形;技术数据单;技术文献
【英文主题词】:Datasheets;Dimensions;Drawings;Electricalengineering;Engineeringdrawings;Envelopes;Illuminationengineering;Incandescentlamps;Lamps;Lightingsystems;Outlines;Technicaldatasheets;Technicaldocuments
【摘要】:
【中国标准分类号】:K71
【国际标准分类号】:29_140_20
【页数】:12P;A4
【正文语种】:英语