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请问建筑电气图纸上的Pe尀Pjs尀Ijs各是什么意识，怎么计算？

2025-04-07 08:04:15

推荐回答（1个）

回答1：

Pe:设备容量；Pjs：计算容量；Ijs:计算电流
Pjs=Kx*Pe
Kx:需要系数（查表）
380/220V三相平衡负荷的计算电流：Ijs=Pjs/(1.732*Ue*cosφ)
220V单相负荷的计算电流：Ijs=Pjs/(Ued*cosφ)

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