【英文标准名称】:LVandMVpolymericinsulatedcablesforusebydistributionandgenerationutilities.Specificationfordistributioncableswithextrudedinsulationforratedvoltagesof11kVto33kV.Three-core11kVcables
【原文标准名称】:配电和发电设施用低压(LV)和中等电压(MV)聚合绝缘电缆.额定电压为11kV和33kV的挤制绝缘配电电缆的规范.三芯11kV的电缆
【标准号】:BS7870-4.20-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-12-31
【实施或试行日期】:2011-12-31
【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】:
【英文主题词】:Ageingtests;Aluminium;Bendtesting;Cablesheaths;Circularshape;Compatibility;Copper;Cross-linkedmaterials;Design;Designations;Dimensions;Electriccables;Electricconductors;Electricpowerdistributionlines;Electricscreens;Electricalinsulation;Electricalinsulationdevices;Electricaltesting;Elongationatfracture;Ethylene-propylenerubber;Extruding;Insulatedcables;Lowvoltage;Marking;Mediumvoltage;Multicorecables;Partialdischarges;Plasticsandrubbertechnology;Polyethylene;Polymers;Powercables;Ratedvoltage;Resistancemeasurement;Seals;Sheathedcables;Shrinkagetests;Size;Steels;Strandedconductors;Temperature;Thermaltesting;Thicknessmeasurement;Typetesting;Voltage
【摘要】:ThissectionofBS7870specifiesrequirementsfortheconstrucion,dimensionsandmechanicalandelectricalpropertiesof6.35/11(12)kVthree-corecableshavingeitheraluminiumorcopperconductors,cross-linkedpolyethylene(XLPE)orethylenepropylenerubber(EPR)extrudedinsulaiton,acopperwiremetallicscreenandanoversheathofoneofthefollowingcompounds.a)mediumdensitypolyethylene(MDPE)compoundtypeDMP5(TypeAcables);b)thermoplasticcompoundtypeDMZ4forcableshavingalowemissionofsmokeandcorrosivegaseswhenaffectedbyfire(TypeBcables).ThissectionofBS7870isapplicabletocablesthataredesignedforamaximumcontinuousconductoroperatingtemperatureof90℃andforamaximumshort-circuitconductortemperatureof250℃.
【中国标准分类号】:K13
【国际标准分类号】:29_060_20
【页数】:27P.;A4
【正文语种】:英语