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BS EN 60044-8-2002 仪表变压器.电流变压器

作者:标准资料网 时间:2024-05-13 14:38:58  浏览:8123   来源:标准资料网
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【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


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基本信息
标准名称:光度副基准操作技术规范
中标分类: 综合 >> 计量 >> 光学计量
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所属分类: 综合 计量 光学计量
【英文标准名称】:Specificationforsafetyofhouseholdandsimilarelectricalappliances-Particularrequirements-Particularrequirementsformicrowaveovens,includingcombinationmicrowaveovens
【原文标准名称】:家用和类似用途电器的安全规范.特殊要求.微波炉(包括组合微波炉)的特殊要求
【标准号】:BSEN60335-2-25-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-01-13
【实施或试行日期】:2003-01-13
【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】:安全要求;介电强度;过载保护装置;电气工程;定义;试验;设计;安全工程;家用;规范(验收);电气器具;家用设备;安全;机械安全;容许的;规范;家用电器;持久性;防电击;家用的;电气安全;绝缘电阻;危害;微波;微波灶;微波器件;微波炉;烹饪设备;灶具;材料强度
【英文主题词】:Cookingappliances;Cookingequipment;Definition;Definitions;Design;Dielectricstrength;Domestic;Durability;Electricappliances;Electrichouseholdappliance;Electrichouseholdappliances;Electricalappliances;Electricalengineering;Electricalhouseholdappliances;Electricalsafety;Hazards;Heating;Householdequipment;Householduse;Inscription;Insulatingresistance;Mechanicalsafety;Microwavedevices;Microwaveovens;Microwavestoves;Microwaves;Overloadprotection;Permanency;Protectionagainstaccidents;Protectionagainstdanger;Protectionagainstelectricshocks;Safety;Safetyengineering;Safetyrequirements;Specification;Specification(approval);Strengthofmaterials;Testing
【摘要】:ThisclauseofPart1isreplacedbythefollowing.Thisinternationalstandarddealswiththesafetyofmicrowaveovensforhouseholduse,theirratedvoltagebeingnotmorethan250V.Thisinternationalstandardalsodealswithcombinationmicrowaveovens,forwhichAnnexAAisapplicable.Asfarasispracticable,thisstandarddealswiththecommonhazardspresentedbyappliancesthatareencounteredbyallpersonsinandaroundthehome.However,ingeneralitdoesnottakeintoaccount–theuseofappliancesbyyoungchildrenorinfirmpersonswithoutsupervision;–playingwiththeappliancebyyoungchildren.
【中国标准分类号】:Y63
【国际标准分类号】:97_040_20
【页数】:30P;A4
【正文语种】:英语



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