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请问80kvA的变压器能载多少电流

2025-03-31 07:07:25

推荐回答（4个）

回答1：

假定为10/0.4kV的三相变压器来计算的话
高压侧单线单相电流
80/（10*1.732）=4.62A
低压侧单相电流
80/（0.4*1.732）=55.424A
同理可以计算其他类型的变压器

回答2：

I=P/√3/U （ 80/1.732/0.4=115.14A) 80kvA的变压器额定电流是115A

回答3：

如果变压器的输出电压是380/220V的话，变压器满载电流为121A

回答4：

看一下负载的电压是多少?依据变压器初级功率等于次级功率这一定理算出来就行

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