IEC 62420-2008 容纳1个或更多间隔的同心绞架空电导线

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【英文标准名称】:Concentriclaystrandedoverheadelectricalconductorscontainingoneormoregap(s)
【原文标准名称】:容纳1个或更多间隔的同心绞架空电导线
【标准号】:IEC62420-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-04
【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/TC7
【标准类型】:()
【标准水平】:()
【中文主题词】:铝线;同心;定义;导电体;电气工程;架空电力导线;间隙;规范
【英文主题词】:Aluminiumwires;Concentric;Definitions;Electricconductors;Electricalengineering;Overheadlineconductors;Overheadpowerlines;Ropewire;Roundwires;Space;Specifications
【摘要】:ThisInternationalStandardspecifiestheelectricalandmechanicalcharacteristicsofconcentriclaystrandedoverheadelectricalconductors,containingoneormoreselfsupportingaluminiumoraluminiumalloylayer(s)asdepictedinFigure1,madeofcombinationsofanyofthefollowingmetalwires:a)hard-drawnaluminiumasperIEC60889,designatedA1;b)aluminiumalloytypeAorBasperIEC60104,designatedA2orA3;c)thermalresistantaluminiumalloytypeasperIEC62004,designatedAT1,AT2,AT3orAT4;d)regularstrengthsteelasperIEC60888,designatedS1AorS1B;e)highstrengthsteelasperIEC60888,designatedS2AorS2B;f)extra-highstrengthsteelasperIEC60888,designatedS3A;g)aluminium-cladsteelasperIEC61232,designated20SA,27SA,30SAor40SA.NOTEThisstandardcoverstheconstructionofself-dampingconductors,aswellasgap-typeconductors.Althoughbothtypesofconductorsshareacommondesignfeatureandthepresenceofoneormoregapsbetweenlayers,theyareintendedfordifferentpurposes.Self-dampingconductors(SDC)mayhavemorethanonegaptoprovideincreasedself-damping,whereasgap-typeconductorsaresodesignedastoallowthealuminiumlayerstoslidefreelyoverthecoreduringinstallation,andthereforeusuallydonotrequiremorethanonegap.ThevariousmetalcombinationspermittedbythisstandardshallbeinaccordancewithTable1.
【中国标准分类号】:K11
【国际标准分类号】:29_060_10;29_240_20
【页数】:58P;A4
【正文语种】:英语