电线电缆载流量表().doc

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1、载流量对照表导线截面积（mm²）11.52.54610162535507095120150185载流量（25度）192432425575105138170215265325375430490断路器规格（A）102025405063100125160200250315350400铜芯线载流量表（1）铝芯线载流量表（2）导线截面（mm²）11.52.54610162535507095120150185240载流是截面倍数9876543.532.521.5载流量（A）9142332486090100123150210237.530030037

2、0360断路器规格（A）6101620253240506380100125160200250315注线径选择一般为设备额定电流的1.7倍，由于断路器需要保护线路，所以断路器的额定电流应小于导线所能承受的电流I线=In*1.7In为设备额定电流I断=I线/1.2I线为线径所承受的电流，I断为断路器额定电流In

3、mV/m0.950.850.7VVYJVVVYJVVVYJVVVYJV11.5mm²202530.8626.7326.7326.731616131830.86131330.8622.5mm²283518.918.918.918.9233518.9182218.9183018.934mm²385011.7611.7611.7611.76343811.76233411.76284011.7646mm²48607.867.867.867.8640557.8632407.8635557.86510mm²65854.674.044.044.055

4、5754.6745554.6748804.67616mm²901102.952.552.562.55701082.960752.665652.6725mm²1151501.871.621.621.631001401.9801001.6861051.6835mm²1451801.351.171.171.191251751.31051301.21081301.2950mm²1702301.010.870.880.914521011301600.871381650.871070mm²2202850.710.610.620.651902650.

5、71652100.611752100.611195mm²2603500.520.450.450.52303300.522002600.452202600.4512120mm²3004100.430.370.380.422704100.422353000.362553000.3613150mm²3504800.360.320.330.373104700.352753500.33403600.314185mm²4105400.30.260.280.333605700.293204100.254004150.2515240mm²4806400

6、.250.220.240.294306500.243904850.214704950.2116300mm²5607400.220.20.210.285007000.214505600.195005800.1917400mm²6508800.20.170.20.266008200.1918500mm²75010000.190.160.180.2519630mm²88011000.180.150.170.2520800mm²110013000.170.150.170.24211000mm²130014000.160.140.160.240.

7、6/1kv聚氯乙烯绝缘电力电缆载流量[阻燃耐火型亦参照此表]适用型号vv.vLv导电线芯最高工作温度70℃空气温度30℃土攘温度25℃土壤热阻系数1。2℃.m/w1000/m标称截面㎜2在空气中在地下一芯二芯三芯一芯二芯三芯铜铝铜铝铜铝铜铝铜铝铜铝1.524-20-17-34-27-22-2.5322528212318463535283023445343629312461474736393165643473639317558584549381080616651564310581806268521610683896976591381061

8、0582896925143111117911027818013813310410783351751331431111229421816916412713110150223170180138154122265