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ID:13141379
大小:78.00 KB
页数:8页
时间:2018-07-20
《各类接地铜绞线重量计算》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、用途:供架空运输电线路用。型号名称标称截面mm2TJ硬铜绞线16-400标称截面/mm2结构与直径/(根/mm)计算截面积/mm2外径/mm直流电阻(20℃)/(Ω/km)≤计算拉断力/KN单位长度重量/(kg/km)制造强度/m162535 507095120 150185240 3004007/1.707/2.127/2.50 7/3.0019/2.1219/2.5019/2.8019/3.1537/2.5037/2.8537/3.1561/2.8515.8924.7134.36 49.4867.0793.27116.99148.07181.62236.0
2、4288.35389.145.106.367.509.0010.6012.5014.0015.7517.5019.9522.0525.651.1460.72930.52450.36420.27060.19430.15490.12240.10000.07700.06300.04675.768.8712.2217.3224.0833.1641.1751.7164.5783.06100.7136.9143.3222.8309.8 446.1604.7840.91055133516512145262135414000300025002000150012001000800800
3、800600600软铜绞线FlexibleCopperStrandConductors 1、绞合软铜绞线外层的绞向为右向,除非供需双方另有协议。相邻层的绞向应相反。 2、型号、规格、直流电阻如表1、表2、表3。注:客户如有特殊要求,可与本厂直接洽谈。1.TwistTheoutsidelayeroftheflexiblecopperstrandconductorsshallbetwistedintheclockwisedirection,unlessotherwisespecified.Thetwistdirectionofanylayershallbecontraryt
4、otheadjacentlayer.2.Types,specificationsandDCresistancearegivenintable1,table2,table3.Note:Anyspecificationscanbeavailablethroughnegotiation.TJR1,TJR2,TJR3,TJR*1,TJR*2,TJR*3软铜绞线的技术性能(GB12970-91)SpecificationofflexiblecopperstranclconductorsTYPE:TJR1,TJR2,TJR3,TJR*1,TJR*2,TJR*3(GB12970-91
5、)软铜绞线是电气装备及电子电器式元件接线用的软连接线。Thefiexiblecopperstrandconductorsisdesignedforflexibleconnectionsofelectricalequipment,electronicdevicesorcomponents.表1TJR1,TJRX1型标称截面Nominalcrosssection(mm2)计算截面Calculatedsrosssection(mm2)结构Construction计算外径Calculatedousidediameter(mm)20℃直流电阻,不大于DCresistanceat2
6、0℃nohigherthan(Ω/km)计算重量CelculatedWeight(kg/km)单线总数Totalnumber股数*根数/单线标称直径No.ofstrands*No.ofwiresNominalTJR1TJRX1ofsinglewiresdiameterofasinglewire(mm)0.10(0.12)0.16(0.20)0.25(0.30)0.400.500.63(0.75)1.001.60(2.00)2.54.06.3101625(35)400.1020.1240.1590.1940.2470.3000.4080.5030.6280.7541.01
7、1.571.962.413.946.1610.0115.8425.0835.1440.159791114171316202432324049494949841331331339/0.127/0.159/0.1511/0.1514/0.1517/0.1513/0.2016/0.2020/0.2024/0.2032/0.2032/0.2540/0.257*7/0.257*7/0.327*7/0.407*7/0.517*12/0.4919*7/0.4919*7/0.5819*7/0.620.440.450.560.600.680.740.860
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