电线电缆载流量表优质资料.doc
上传人:天马****23 上传时间:2024-09-10 格式:DOC 页数:38 大小:2.4MB 金币:10 举报 版权申诉
预览加载中,请您耐心等待几秒...

电线电缆载流量表优质资料.doc

电线电缆载流量表优质资料.doc

预览

免费试读已结束,剩余 28 页请下载文档后查看

10 金币

下载此文档

如果您无法下载资料,请参考说明:

1、部分资料下载需要金币,请确保您的账户上有足够的金币

2、已购买过的文档,再次下载不重复扣费

3、资料包下载后请先用软件解压,在使用对应软件打开

电线电缆载流量表优质资料(可以直接使用,可编辑优质资料,欢迎下载)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)9142332486090100123150210237.5300300370360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<I断<I线裸导线的许用电流可提高50%序号铜电线型号单芯载流量(A)电压降mV/m品字型电压降mV/M紧挨一字型电压降mV/m间距一字型电压降mV/m两芯载流量(A)电压降mV/m三心载流量(A)电压降mV/m四心载流量(A)电压降mV/m0.950.850.7VVYJVVVYJVVVYJVVVYJV11.5mm²202530.8626.7326.7326.731616131830.86131330.8622.5mm²283518.918.918.918.9233518.9182218.9183018.934mm²385011.7611.7611.7611.76343811.76233411.76284011.7646mm²48607.867.867.867.8640557.8632407.8635557.86510mm²65854.674.044.044.0555754.6745554.6748804.67616mm²901102.952.552.562.55701082.960752.665652.6725mm²1151501.871.621.621.631001401.9801001.6861051.6835mm²1451801.351.171.171.191251751.31051301.21081301.2950mm²1702301.010.870.880.914521011301600.871381650.871070mm²2202850.710.610.620.651902650.71652100.611752100.611195mm²2603500.520.450.450.52303300.522002600.452202600.4512120mm²3004100.430.370.380.422704100.422353000.362553000.3613150mm²3504800.360.320.330.373104700.352753500.33403600.314185mm²4105400.30.260.280.333605700.293204100.254004150.2515240mm²4806400.250.220.240.294306500.243904850.214704950.2116300mm²5607400.220.20.210.285007000.214505600.195005800.1917400mm²6508800.20.170.20.266008200.1918500mm²75010000.190.160.180.2519630mm²88011000.180.150.170.2520800mm²110013000.170.150.170.24211000mm²130014000.160.140.160.240.6/1kv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1.524-20-17-34-27-22-2.53225282123184635352830234453436293124614747363931656434736393175585845493810806166515643105818062685216106838969765913810610582896925143111117911027818013813310410