1、L导线的长度(M) U充许的电压降(V) S导线的截面积(MM2) 说明: 1、U电压降可由整个系统中所用的设备范围内,分给系统供电用的电源电压额 定值综合起来考虑选用。2、计算出来的截面积往上靠. 绝缘导线载流量估算 铝芯绝缘导线载流量与截面的倍数关系导线截面(mm 2 ) 1 1.5 2.5 4 6 10 16 25 35 载流是截面倍数 9 8 7 6 5 4 3.5 3 2.5 载流量(A) 9 14 23 32 48 60 90 100 123 估算口诀: 二点五下乘以九, 往上减一顺号走。 三十五乘三点五, 双双成组减点五。 条件有变加折算, 高温九折铜升级。 穿管根数二三四, 八
2、七六折满载流。0.6/1kV单芯低烟无卤耐火电缆DW-NH(B)-YJE DW-NH(A)-YJE标称截面mm2导体直径mm电缆近似外径电缆近似重量kg/kmDW-NH(B)-YJEDW-NH(A)-YJE11.01.52.546101625355070951201501852403004005006308001.131.381.782.242.764.055.106.427.568.910.712.614.215.817.620.322.725.728.832.536.55.96.16.57.07.59.110.112.113.214.916.919.020.922.825.127.930.
3、533.937.641.946.64956698711016322734044058179610671321160519772546314839814990628579080.6/1k两芯低烟无卤耐火电缆DW-NH(B)-YJE DW-NH(A)-YJE210.611.111.912.813.817.019.122.524.832.340.344.449.255.260.4105149189241364506748971126817652372295536114473569071530.6/1k三芯低烟无卤耐火电缆DW-NH(B)-YJE DW-NH(A)-YJE310.911.412.314
4、.317.419.522.925.228.332.836.940.744.849.755.860.973.51621822242833575597611074137518302499329039384941623976999942125600.6/1kV四芯低烟无卤耐火电缆DW-NH(B)-YJE DW-NH(A)-YJE412.513.514.616.519.622.226.329.133.038.543.248.052.958.966.172.881.614517222229141159582128816992257319142915378659782281067643273169000.
5、6/1kV五芯低烟无卤耐火电缆DW-NH(B)-YJE DW-NH(A)-YJE512.713.414.515.717.121.424.228.931.942.553.158.865.373.380.890.716920226334846372310411581209127983954534566818212103581328616157210650.6/1kV三加一芯低烟无卤耐火电缆DW-NH(B)-YJE DW-NH(A)-YJE主芯地线1.5+112.5+14+16+110+116+125+135+150+170+195+1120+1150+1185+1240+1300+1400+115.518.621.527.331.336.045.449.154.861.467.775.6165209266360540786120914812042285638454889571972159316115
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