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50千瓦用多大电缆

更新时间: 2020-11-10 00:00:00     

1、50千瓦用25平方的三芯铜电缆。

2、根据功率公式P=1.732UIcosφ有:I=P/(1.732Ucosφ)=50/(1.732X0.38X0.85)

=89A(按三相市电计算,功率因数取0.85)。

关键词: 千瓦 电缆

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