铝管母线选型表.doc

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1、常用铝管母线计算数据规格（mm）导体截面（mm2）+70℃载流量（A）截面系数W（cm3）惯性半径R（cm）惯性矩J（cm4）理论重量（Kg/m）3A2160636063Re3A2160636063ReΦ70/6463115601645170010.32.3735.51.731.72Φ80/7295521002226228917.62.6969.22.622.60Φ90/80133524862635281027.43.011213.663.64Φ100/90149128102979306334.43.361694.104.07Φ

2、110/100164928503021310742.23.722284.534.50Φ120/110180530903275336850.84.072994.964.93Φ130/116270339004134425180.44.365137.437.38Φ150/1363143440046644796109.45.068068.648.58Φ170/1563583469449765116142.95.7711939.889.81Φ200/1805966746079088131275.16.73270116.4016.30Φ25

3、0/2307536830087989047443.18.49648720.7420.6注：在环境温度20℃，导体工作温度90℃时