电缆铜导体电阻温度校正系数.doc

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1、GB/T3956-1997电流导体在t℃时测量导体电阻校正到20℃时温度校正系数K1测量导体温度t/℃校正系数K1测量导体温度t/℃校正系数K151.064201.00061.059210.99671.055220.99281.050230.98891.046240.984101.042250.980111.037260.977121.033270.973131.029280.969141.025290.965151.020300.962161.016310.958171.012320.954181.00

2、8330.951191.004340.947截面导体外径20℃导体电阻Ω/Km最大值20℃导体电阻70℃最小绝缘电阻MΩ/Km0.752Φ0.9724.50.0121.02Φ1.1318.10.01111.52Φ1.3812.10.01121.527×0.52Φ1.3612.10.01012.52Φ1.787.410.01022.527×0.68Φ2.047.410.009142Φ2.254.610.00852427×0.85Φ2.554.610.0077162Φ2.763.080.00702627×1.

3、04Φ3.123.080.00651102Φ3.71.830.007021027×1.35Φ4.061.830.006511627×1.70Φ5.11.150.00502527×2.14Φ6.420.7270.00503527×2.5Φ7.580.5240.004050219×1.78Φ8.90.3870.0045