【英文标准名称】:Railwayapplications-Fixedinstallations-Protectiveprovisionsagainsttheeffectsofstraycurrentscausedbyd.c.tractionsystems
【原文标准名称】:铁路设施.固定设备.直流牵引系统引起的杂散电流效应保护措施
【标准号】:BSEN50122-2-1999
【标准状态】:作废
【国别】:英国
【发布日期】:1999-05-15
【实施或试行日期】:1999-05-15
【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】:电气安全;电压测量;试验条件;电学测量;电力系统;防护遮栏;集流设备;防护电气设备;防腐蚀;牵引电流集电器;电导率;铁路电力牵引装置;直流电流;方程;铁路安全;铁路轨道;铁路固定设备;腐蚀环境;铁路设备;校正;性能;装配;电流;电气保护设备
【英文主题词】:ACnetwork;Bottomresistance;Cables;Corrosion;Corrosionprotection;Cranes;Definitions;Density;Directcurrent;Directcurrentinstallations;Directcurrenttrains;Direct-currentpowertransmission;Direct-currentsystem;Earthing;Earthinginstallations;Electriccurrent;Electricpowersystems;Electricalengineering;Electricalequipment;Electricalprotectionequipment;Electricalsafety;Electrochemicalcorrosion;Electrolytes;Elevatedrailways;Faultcurrents;Hazards;Industrialfacilities;Locomotivehaulage;Mainssupply;Materialhaulingtracks;Measure;Measurement;Measuringtechniques;Methods;Metrology;Mountainrailways;Pipelines;Plant;Protection;Protectivemeasures;Quays;Railwayapplications;Railwayearthing;Railwayinstallations;Railwaytrack;Railways;Resistors;Safetyrequirements;Sea-ports;Stationary;Straycurrent;Supplysystems;Surveillance(approval);Tractionnetwork;Tramwaysystems;Trolleycoaches;Tunnelling;Undergroundrailways;Weldingequipment
【摘要】:Thisstandardspecifiesrequirementsforprotectiveprovisionsagainsttheeffectsofstraycurrentswhichresultfromtheoperationofd.c.tractionsystems.Asexperienceforseveraldecadeshasnotshownevidentcorrosioneffectsfroma.c.tractionsystemsandactualinvestigationsarenotcompleted,thisstandardonlydealswithstraycurrentsflowingfromad.c.tractionsystem.Thisstandardappliestoallmetallicfixedinstallationswhichformpartofthetractionsystem,andalsotoanyothermetalliccomponentslocatedinanypositionintheearth,whichmaycarrystraycurrentsresultingfromtheoperationoftherailwaysystem.Thisstandardappliestoallnewelectrificationofad.c.railwaysystem.Theprinciplesmayalsobeappliedtoexistingelectrifiedsystemswhereitisnecessarytoconsidertheeffectsofstraycurrents.Therangeofapplicationincludes:—railways;—guidedmasstransportsystemssuchas:tramways,elevatedandundergroundrailways,mountainrailways,trolleybussystemsandmagneticlevitatedsystems;—materialtransportationsystems.Thisstandarddoesnotapplyto:a)minetractionsystemsinundergroundmines;b)cranes,transportableplatformsandsimilartransportationequipmentonrails,temporarystructures(e.g.exhibitionstructures)insofarasthesearenotsupplieddirectlyfromthecontactlinesystemandarenotendangeredbythetractionpowersupplysystem;c)suspendedcablecars;d)funicularrailways;e)maintenancework.
【中国标准分类号】:S35
【国际标准分类号】:29_120_50;29_280
【页数】:22P.;A4
【正文语种】:英语