发布时间:2025-01-31 19:47:34
1. 对于35mm²的电缆,其载流量的计算公式为:载流量 = 3.5 × 截面数(A)。例如,35mm²导线的载流量为35 × 3.5 = 122.5(A)。
2. 对于50mm²及以上的电缆,其载流量与截面数的关系采用分组减去0.5的方式计算。具体规则是:两个相近的截面数组成一组,每组的倍数递减0.5。例如:
- 50mm²和70mm²导线的载流量为截面数的3倍;
- 95mm²和120mm²导线的载流量为截面数的2.5倍;
- 以此类推,每增加两个截面数,倍数减少0.5。
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