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[问题求助] 电线所能承载电流的计算公式
P:2011-02-22 14:16:15
3
如何计算导体载流量
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计算导体载流量 | ||||||
绝缘铜导体25度时计算载流量A“铜线升级算” | ||||||
截面mm² | 倍数 | 计算载流量 | 导体穿管 | 计算载流量 | 温度大于25度时 | 计算载流量 |
1.5 | 5 | A=5*2.5 | 穿管打八折即乘0.8 | A=5*2.5*0.8 | 计算时打九折即乘0.9 | A=5*2.5*0.8*0.9 |
2.5 | A=5*4 | A=5*4*0.8 | A=5*4*0.8*0.9 | |||
4 | A=5*6 | A=5*6*0.8 | A=5*6*0.8*0.9 | |||
6 | A=5*10 | A=5*10*0.8 | A=5*10*0.8*0.9 | |||
10 | A=5*16 | A=5*16*0.8 | A=5*16*0.8*0.9 | |||
16 | 4 | A=4*25 | A=4*25*0.8 | A=4*25*0.8*0.9 | ||
25 | A=4*35 | A=4*35*0.8 | A=4*35*0.8*0.9 | |||
35 | 3 | A=3*50 | A=3*50*0.8 | A=3*50*0.8*0.9 | ||
50 | A=3*70 | A=3*70*0.8 | A=3*70*0.8*0.9 | |||
70 | 2.5 | A=2.5*95 | A=2.5*95*0.8 | A=2.5*95*0.8*0.9 | ||
95 | A=2.5*120 | A=2.5*120*0.8 | A=2.5*120*0.8*0.9 | |||
120 | 2 | A=2*150 | A=2*150*0.8 | A=2*150*0.8*0.9 | ||
150 | ||||||
185 | ||||||
240 | 1.6 |
impregnated paper filler - 浸渍纸填料 (0) 投诉
8
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