标准资料网-标准资料免费资源平台

【英文标准名称】:Railwayapplications-Electricequipmentforrollingstock-Part4:Electrotechnicalcomponents;RulesforACcircuit-breakers
【原文标准名称】:铁路设施.机车车辆用电气设备.第4部分:电工元件.交流断路器规则
【标准号】:IEC60077-4-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-02
【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/TC9
【标准类型】:()
【标准水平】:()
【中文主题词】:铁路;开关;铁道车辆;铁路电力牵引装置;交流电流;电气设备;定义;电气工程;断路器;牵引车辆;线路开关;电力牵引;铁路设施
【英文主题词】:Alternatingcurrent;Circuit-breakers;Definitions;Electrictraction;Electricalengineering;Electricalequipment;Lineswitches;Railwayapplications;Railwayelectrictractionequipment;Railwayvehicles;Railways;Switches;Tractionvehicles
【摘要】:InadditiontothegeneralrequirementsofIEC60077-2,thispartofIEC60077givesrulesforACcircuit-breakers,themaincontactsofwhicharetobeconnectedtoACoverheadcontactlines;thenominalvoltageofthesecircuitsbeinginaccordancewithIEC60850.Thisstandard,togetherwithIEC60077-2,statesspecifically:a)thecharacteristicsofthecircuit-breakers;b)theserviceconditionswithwhichcircuit-breakershavetocomplywithreferenceto:-operationandbehaviourinnormalservice,-operationandbehaviourinshort-circuit,-dielectricproperties;c)thetestsforconfirmingthecomplianceofthecomponentswiththecharacteristicsundertheserviceconditionsandthemethodstobeadoptedforthesetests;d)theinformationtobemarkedon,orgivenwiththecircuit-breaker.NOTE1Circuit-breakerswhicharedealtwithinthisstandardmaybeprovidedwithdevicesforautomaticopeningunderpre-determinedconditionsotherthanthoseofover-current,forexample,undervoltageandreversalofpowercurrent.Thisstandarddoesnotdealwiththeverificationofoperationundersuchpredeterminedconditions.NOTE2Theincorporationofelectroniccomponentsorelectronicsub-assembliesintoelectrotechnicalcompo-nentsisnowcommonpractice.Althoughthisstandardisnotapplicabletoelectronicequipment,thepresenceofelectroniccomponentsdoesnotprovideareasontoexcludesuchelectrotechnicalcomponentsfromthescope.Electronicsub-assembliesincludedinthecircuit-breakersshouldcomplywiththerelevantstandardforelectronics(IEC60571).NOTE3Certainoftheserulesmay,afteragreementbetweenuserandmanufacturer,beusedforelectrotechnicalcomponentsinstalledonvehiclesotherthanrailrollingstock.Thisstandarddoesnotcoverindustrialcircuit-breakerswhichhavetocomplywithIEC60056.Forthese,inordertoensuresatisfactoryoperation,thisstandardshouldbeusedtospecifyonlytheparticularrequirementsforrollingstock.Insuchcases,aspecificdocumentshouldstatetheadditionalrequirementswithwhichtheindustrialcircuit-breakersaretocomply,forexample:-eithertobeadapted(e.g.forcontrolvoltage,environmentalconditions,etc.);-ortobeinstalledandusedsothattheydonothavetoendurespecificrollingstockconditions;-ortobeadditionallytestedtoprovethatthesecomponentscanwithstandsatisfactorilytherollingstockconditions.
【中国标准分类号】:S35
【国际标准分类号】:29_120_50;45_060_01
【页数】:58P.;A4
【正文语种】:英语


【英文标准名称】:StandardPracticeforRehabilitationofExistingPipelinesandConduitsbytheInversionandCuringofaResin-ImpregnatedTube
【原文标准名称】:通过树脂浸渍管的倒置和硫化修复现有管线和管道的标准实施规程
【标准号】:ASTMF1216-2007
【标准状态】:作废
【国别】:美国
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:电工导管;电气工程;检修;树脂
【英文主题词】:Electricconduits;Electricalengineering;Repairs;Resins
【摘要】:
【中国标准分类号】:G33;P94
【国际标准分类号】:23_040_20
【页数】:7P;A4
【正文语种】:英语