电线电缆载流量表.docx

1、电线电缆载流量表载流量对照表导线截面积（mm）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（mm）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）61016202532

2、40506380100125160200250315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*1.7 In为设备额定电流I断=I线/1.2 I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/m 0.95 0.85 0.7 VVYJVVVYJVVVYJVVVYJV

3、11.5mm202530.8626.7326.7326.731616131830.86131330.8622.5mm283518.918.918.918.9233518.9182218.9183018.934mm385011.7611.7611.7611.76343811.76233411.76284011.7646mm 48607.867.867.867.8640557.8632407.8635557.86510mm65854.674.044.044.0555754.6745554.6748804.67616mm901102.952.552.562.55701082.960752.66565

4、2.6725mm1151501.871.621.621.631001401.9801001.6861051.6835mm1451801.351.171.171.191251751.31051301.21081301.2950mm1702301.010.870.880.914521011301600.871381650.871070mm2202850.710.610.620.651902650.71652100.611752100.611195mm2603500.520.450.450.52303300.522002600.452202600.4512120mm3004100.430.370.3

5、80.422704100.422353000.362553000.3613150mm3504800.360.320.330.373104700.352753500.33403600.314185mm4105400.30.260.280.333605700.293204100.254004150.2515240mm4806400.250.220.240.294306500.243904850.214704950.2116300mm5607400.220.20.210.285007000.214505600.195005800.1917400mm6508800.20.170.20.26600820

6、0.1918500mm75010000.190.160.180.2519630mm88011000.180.150.170.2520800mm110013000.170.150.170.24211000mm130014000.160.140.160.240.6/1kv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/w 1000/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1.524-20-17-34-27-22-2.532252821231846353528302344534

7、362931246147473639316564347363931755858454938108061665156431058180626852161068389697659138106105828969251431111179110278180138133104107833517513314311112294218169164127131101502231701801381541222651962011591591237026520721717019114831023924418619515095329254238182233180369283280210231178120382297273

8、211270207416323320238262201150445339325242313244474364355272300231185519392370298360281530408407322337262240609472-429334617474-390301300705546-477376700530-451355400832641-820629-500965753-929710-6301134880-1060813-8001351049-1223938-0.6/1kv3+1芯或4芯聚氯乙烯绝缘及护套电力电缆的载流量2适用型号vv.vLv导电线芯最高工温度70 空气温度30。土壤温度

9、25土壤热阻系数1。2m/w标称截面2在空气中在地下标称截面在空气中在地下铜铝铜铝mm2铜铝铜铝42822372870178136194148638284636952181682311771051406147120253195263204166853806115029822830323325927110682185344263340263351158913010124039029139729850144111161124300438342448356二0.6/1kv聚氯乙烯绝缘及护套电力电缆载流量适用型号vv22VLV22导导电线芯最高准许工作温度70。空气温30。土壤温度25土壤热阻系数；1.2标称截面mm2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4-37293224-453538296-48374032-564347371082646752574510178775965501611185917077601321041027987662514311112292102