BS IEC 60287-1-1-2007 电缆.计算额定电流.额定电流方程(100%负载因数)和损耗计算.总则
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【英文标准名称】:Electriccables-Calculationofthecurrentrating-Currentratingequations(100%loadfactor)andcalculationoflosses-General
【原文标准名称】:电缆.计算额定电流.额定电流方程(100%负载因数)和损耗计算.总则
【标准号】:BSIEC60287-1-1-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-01-31
【实施或试行日期】:2007-01-31
【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】:电缆;电流强度;尺寸选定;电气工程;高压引线;数学计算;电力电缆;额定电压;额定方程
【英文主题词】:Cables;Currentrates;Dimensioning;Electriccables;Electricalengineering;Hightensionleads;Mathematicalcalculations;Powercables;Ratedvoltages;Ratingequation
【摘要】:ThispartofIEC60287isapplicabletotheconditionsofsteady-stateoperationofcablesatallalternatingvoltages,anddirectvoltagesupto5kV,burieddirectlyintheground,inducts,troughsorinsteelpipes,bothwithandwithoutpartialdrying-outofthesoil,aswellascablesinair.Theterm"steadystate"isintendedtomeanacontinuousconstantcurrent(100%loadfactor)justsufficienttoproduceasymptoticallythemaximumconductortemperature,thesurroundingambientconditionsbeingassumedconstant.Thispartprovidesformulaeforcurrentratingsandlosses.Theformulaegivenareessentiallyliteralanddesignedlyleaveopentheselectionofcertainimportantparameters.Thesemaybedividedintothreegroups:–parametersrelatedtoconstructionofacable(forexample,thermalresistivityofinsulatingmaterial)forwhichrepresentativevalueshavebeenselectedbasedonpublishedwork;–parametersrelatedtothesurroundingconditions,whichmayvarywidely,theselectionofwhichdependsonthecountryinwhichthecablesareusedoraretobeused;–parameterswhichresultfromanagreementbetweenmanufactureranduserandwhichinvolveamarginforsecurityofservice(forexample,maximumconductortemperature).
【中国标准分类号】:K13
【国际标准分类号】:29_060_20
【页数】:34P.;A4
【正文语种】:英语
【原文标准名称】:电缆.计算额定电流.额定电流方程(100%负载因数)和损耗计算.总则
【标准号】:BSIEC60287-1-1-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-01-31
【实施或试行日期】:2007-01-31
【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】:电缆;电流强度;尺寸选定;电气工程;高压引线;数学计算;电力电缆;额定电压;额定方程
【英文主题词】:Cables;Currentrates;Dimensioning;Electriccables;Electricalengineering;Hightensionleads;Mathematicalcalculations;Powercables;Ratedvoltages;Ratingequation
【摘要】:ThispartofIEC60287isapplicabletotheconditionsofsteady-stateoperationofcablesatallalternatingvoltages,anddirectvoltagesupto5kV,burieddirectlyintheground,inducts,troughsorinsteelpipes,bothwithandwithoutpartialdrying-outofthesoil,aswellascablesinair.Theterm"steadystate"isintendedtomeanacontinuousconstantcurrent(100%loadfactor)justsufficienttoproduceasymptoticallythemaximumconductortemperature,thesurroundingambientconditionsbeingassumedconstant.Thispartprovidesformulaeforcurrentratingsandlosses.Theformulaegivenareessentiallyliteralanddesignedlyleaveopentheselectionofcertainimportantparameters.Thesemaybedividedintothreegroups:–parametersrelatedtoconstructionofacable(forexample,thermalresistivityofinsulatingmaterial)forwhichrepresentativevalueshavebeenselectedbasedonpublishedwork;–parametersrelatedtothesurroundingconditions,whichmayvarywidely,theselectionofwhichdependsonthecountryinwhichthecablesareusedoraretobeused;–parameterswhichresultfromanagreementbetweenmanufactureranduserandwhichinvolveamarginforsecurityofservice(forexample,maximumconductortemperature).
【中国标准分类号】:K13
【国际标准分类号】:29_060_20
【页数】:34P.;A4
【正文语种】:英语
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