您的位置: 标准下载 » 国际标准 » BS 英国标准 »

BS EN 60044-8-2002 仪表变压器.电流变压器

作者:标准资料网 时间:2024-05-21 16:34:10  浏览:8509   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Instrumenttransformers-Electroniccurrenttransformers
【原文标准名称】:仪表变压器.电流变压器
【标准号】:BSEN60044-8-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-10-04
【实施或试行日期】:2002-10-04
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:电流互感器;变压器;电气工程;电压互感器;定义;测试;规范(验收);仪表用变压器
【英文主题词】:Currenttransformers;Definition;Definitions;Electricalengineering;Electronic;Electronicengineering;Instrumenttransformers;Marking;Potentialtransformers;Precision;Ratings;Specification(approval);Testing;Transformers;Transport
【摘要】:ThispartofIEC60044appliestonewlymanufacturedelectroniccurrenttransformershavingananaloguevoltageoutputoradigitaloutput,forusewithelectricalmeasuringinstrumentsandelectricalprotectivedevicesatnominalfrequenciesfrom15Hzto100Hz.NOTEAdditionalrequirementsduetothebandwidthareconsidered.TheaccuracyrequirementsonharmonicsaregiveninannexD.Clause12coverstheaccuracyrequirementsthatarenecessaryforelectroniccurrenttransformersforusewithelectricalmeasuringinstruments.Clause13coverstheaccuracyrequirementsthatarenecessaryforelectroniccurrenttransformersforusewithelectricalprotectiverelays,andparticularlyforformsofprotectioninwhichtheprimerequirementistomaintaintheaccuracyuptoseveraltimestheratedcurrent.Ifrequired,thetransientaccuracyofanelectroniccurrenttransformerduringfaultisalsogiveninthisclause.Electroniccurrenttransformersintendedforbothmeasurementandprotectionshouldcomplywithalltheclausesofthisstandardandarecalledmultipurposeelectroniccurrenttransformers.Thetransformertechnologycanbebasedonopticalarrangementsequippedwithelectricalcomponents,onair-corecoils(withorwithoutabuilt-inintegrator),oroniron-corecoilswithintegratedshuntusedasacurrent-to-voltageconverter,aloneorequippedwithelectroniccomponents.Foranalogueoutput,theelectroniccurrenttransformermayincludethesecondarysignalcable.Examplesofelectroniccurrenttransformertechnologiesusingair-corecoilsandironcorecoilswithintegratedshuntaregiveninannexC.Fordigitaloutput,thisstandardtakesintoaccountapoint-to-pointconnectionfromtheelectronictransformertoelectricalmeasuringinstrumentsandelectricaldevices(seeannexB).Someinformationhasbeenaddedinordertoensurethecompatibilityofthispoint-to-pointlinkwiththeoverallsystemofcommunicationinthesubstation,thusallowingdataexchangebetweenallkindsofsubstationdevices.Thisinformationbuildswhatiscalledthemappingofthelinklayerofthepoint-to-pointseriallink.Processbuscommunicationisunderconsideration.Thismappingallowsinteroperabilitybetweendevicesfromdifferentmanufacturers.Thisstandarddoesnotspecifyindividualimplementationsorproducts,nordoesitconstraintheimplementationofentitiesandinterfaceswithinacomputersystem.Thisstandardspecifiestheexternallyvisiblefunctionalityofimplementationstogetherwithconformancerequirementsforsuchfunctionalities.
【中国标准分类号】:L17
【国际标准分类号】:17_220_20
【页数】:132P;A4
【正文语种】:英语


下载地址: 点击此处下载
基本信息
标准名称:教学音叉
中标分类: 轻工、文化与生活用品 >> 文教、体育、娱乐用品 >> 办公用品及办公机具
替代情况:替代JY 227-1987;JY 228-1987
发布日期:2008-01-21
实施日期:2008-06-01
首发日期:
作废日期:
主管部门:教育部
出版社:中国标准出版社
出版日期:2008-06-01
适用范围

没有内容

前言

没有内容

目录

没有内容

引用标准

没有内容

所属分类: 轻工 文化与生活用品 文教 体育 娱乐用品 办公用品及办公机具
【英文标准名称】:Crimpedjointsforaircraftelectricalcables
【原文标准名称】:航空器电缆的压接接头
【标准号】:ISO1966-1973
【标准状态】:现行
【国别】:国际
【发布日期】:1973-02
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC20
【标准类型】:()
【标准水平】:()
【中文主题词】:连接;电缆;试验;飞行器部件;飞行器;机械卷边连接;规范;设备
【英文主题词】:Aircraft;Electriccables;Equipment;Joints;Mechanicalcrimping;Specifications;Testing;Tests
【摘要】:Describesthedesignrequirementsandtestsforthecrimpingofinsulatedandnon-insulatedterminationstogeneralpurposecables,withconductorsofcopper,copperalloy,aluminiumoraluminiumalloy,inlocationsinwhichthestabilizedconductortemperaturedoesnotexceedthevaluesspecifiedfortherelevanttype,i.e.105鳦,190鳦or260鳦.Thetypeofcablewithwhichtheterminationsareintendedtobemadehastobedeclared.
【中国标准分类号】:V40
【国际标准分类号】:49_060
【页数】:7P;A4
【正文语种】:英语