供应电力电缆

塑料绝缘电力电缆本产品用于额定电压0.6/1kv的线路中,供输配电能之用（阻燃电缆适用于高层建筑、地铁、发电站、大型工矿企业等电缆敷设密度大，防火要求严格的地方）。交联聚乙烯绝缘电力电缆执行标准：交联聚乙烯绝缘电力电缆性能符合gb12706.3－1991等效采用iec60502－1997，阻燃性能符合gb12666.5－1990等效采用iec332－1992。（阻燃性能要求不适用于非阻燃型电缆）使用特性：电缆的额定工作电压u0/u0.6/1kv；试验电压（持续时间&le；5min）3.5kv；电缆导体长期工作温度&le；90℃；短路时（持续时间&le；5s）电缆导体温度&le；250℃；敷设电缆时最小弯曲半径单芯电缆应&ge；电缆外径的20倍，多芯电缆应&ge；电缆外径的15倍；电缆敷设时环境温度&ge；0℃，低于0℃时，预先加温，敷设时不受落差限制。型号及名称型号名称使用范围铜芯铝芯yjvyjlv交联聚乙烯绝缘聚氯乙烯护套电力电缆固定敷设、不能承受外力yjv22yjlv22交联聚乙烯绝缘聚氯乙烯护套钢带铠装电力电缆固定敷设、能承受机械外力注：阻燃型电缆型号前加&ldquo；zr&rdquo；；耐火型电缆型号前加&ldquo；nh&rdquo；；无卤低烟型电缆型号前加&ldquo；wd&rdquo；。性能参数：不同土壤热阻系数下的载流量修正系数（土壤热阻系数：pt=1.0k.m/w）额定电压截面土壤热阻系数（k.m/w）0.81.01.21.52.01kv35mm2及以下1.061.00.950.880.8050～150mm21.081.00.940.870.77185mm2及以上1.091.00.930.850.76不同环境温度下的载流量修正系数（空气为40℃，土壤为25℃）工作温度℃空气℃土壤℃1015202530354045505101520253035901.261.221.181.141.091.041.000.940.891.141.111.071.041.000.960.92电缆导体电阻、绝缘电阻、参考载流量截面mm220℃时导体直流电阻（&le；&omega；./km）90℃时绝缘电阻(&ge；m&omega；.km)单芯电缆参考截流量a多芯电缆参考截流量a在空气中直埋土壤中在空气中直埋土壤中铜芯铝芯铜铝铜铝铜铝铜铝1.512.11.11632452.57.4112.10.9254233594644.617.410.771564477613427453663.084.610.6547057977943355746101.833.080.473977513010060477759161.151.910.38712599170135836410580250.7271.200.41816512522017010582125100350.5240.8680.360200155265205125100155120500.3870.6410.340245190320245160125185145700.2680.4430.317305240395305200155225175950.1930.3200.2753752904753702452002702101200.1530.2530.2684353405454202852203102401500.1240.2060.2805003906104753252503452701850.09910.1640.287580450695540375295390305交联聚乙烯绝缘聚氯乙烯护套电力电缆外径截面芯数123431532411.56.19.510.211.010.811.811.211.52.56.710.311.212.211.813.212.512.847.212.712.814.513.816.214.315.067.513.714.515.814.917.115.616.0108.515.615.818.017.520.018.319.2169.518.018.021.020.124.021.322.52511.220.521.525.023.128.524.526.53521.022.524.028.025.332.026.428.25014.025.527.030.028.033.030.631.87015.529.531.034.032.537.034.235.09517.232.735.039.036.043.038.640.012019.036.539.043.041.048.042.844.015021.841.543.548.047.052.048.249.018523.545.548.554.050.559.553.755.0交联聚乙烯绝缘钢带铠装聚氯乙烯护套电力电缆外径截面芯数2343153241416.016.917.617.318.317.918.1617.017.819.018.520.219.219.71018.519.421.221.122.521.922.21620.522.623.023.724.924.924.92523.025.527.026.728.528.128.33525.028.032.028.935.030.232.25027.531.033.532.036.035.235.87032.536.038.036.040.038.839.09536.039.945.040.549.543.244.012039.543.046.544.751.647.649.015044.048.051.548.055.052.854.018548.552.058.053.065.058.359.0聚氯乙烯绝缘护套电力电缆执行标准：交联聚乙烯绝缘电力电缆性能符合gb12706.2－1991等效采用iec60502－1997，阻燃性能符合gb12666.5－1990等效采用iec332－1992。（不适用于非阻燃型电缆）使用特性：电缆的额定工作电压u0/u0.6/1kv；试验电压（持续时间&le；5min）3.5kv；电缆导体长期工作温度&le；70℃；短路时（持续时间&le；5s）电缆导体温度&le；160℃；敷设电缆时最小弯曲半径单芯电缆应&ge；电缆外径的10倍，铠装电缆应&ge；电缆外径的12倍。电缆敷设时环境温度&ge；0℃，低于0℃时，预先加温，敷设时不受落差限制。型号及名称型号名称规格范围使用范围vvvlv聚氯乙烯绝缘聚氯乙烯护套电力电缆1.5～185mm21～5芯固定敷设、不能承受外力vv22vlv22聚氯乙烯绝缘聚氯乙烯护套钢带铠装电力电缆1.5～185mm21～5芯固定敷设、能承受机械外力注：阻燃型电缆型号前加&ldquo；zr&rdquo；；耐火型电缆型号前加&ldquo；nh&rdquo；；无卤低烟型电缆型号前加&ldquo；wd&rdquo；。技术指标：导体直流电阻与相同截面的交联电缆相同；成品电缆绝缘电阻换算到20℃&ge；36.7m&omega；.km；室温下经受交流50hz，3.5kv5min试验通过。聚氯乙烯绝缘聚氯乙烯护套电力电缆外径截面芯数123431532411.56.610.611.0&mdash；&mdash；&mdash；&mdash；16.02.57.011.511.9&mdash；&mdash；&mdash；&mdash；17.047.913.613.814.814.616.015.519.068.514.514.916.016.017.017.523.5109.716.917.819.318.919.019.028.01610.718.919.921.821.524.023.031.02512.422.824.626.525.629.027.032.53513.625.226.829.227.933.028.036.05015.825.125.433.728.733.032.541.57017.627.027.734..832.536.036.045.09520.728.832.139.637.342.041.049.012022.031.235.142.939.945.045.054.015024.034.738.947.844.650.048.061.018526..537.542.953.050.355.053.067.0聚氯乙烯绝缘钢带铠装聚氯乙烯护套电力电缆外径截面芯数123431532411.5&mdash；&mdash；&mdash；&mdash；&mdash；&mdash；&mdash；19.02.5&mdash；&mdash；&mdash；&mdash；&mdash；&mdash；&mdash；20.04&mdash；16.717.518.618.219.018.522.56&mdash；17.718.519.919.520.520.026.51013.920.321.523.022.523.022.032.01614.922.923.825.524.927.026.035.02516.725.327.628.528.434.030.036.03517.827.629.832.530.937.032.040.05020.025.529.037.134.737.037.046.07021.928.031.338.535.740.040.049.09524.832.235.443.641.346.045.053.012025.934.638.546.544.149.049.059.015028.038.242.352.148.654.052.064.018530.540.546.555.253.760.057.071.0聚氯乙烯绝缘电力电缆载流量标称截面mm2非铠装铠装空气中土壤中空气中土壤中铜铝铜铝铜铝铜铝1.515－20－－－－－2.521162821－－－－4262134272521332663725453336254432104636564345345441166047725558457053258264957580629574351088412396107821219450134100151113132981491107016512418113616212218013595203156216165200152212161120236183246192230180241187150281214287219275208280212185328246334251318236324241注：空气温度为30℃；土壤温度为25℃；土壤热阻系数为1.2℃.m/w。