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230问答网 > 工频电流下,容性无功电流和感性无功电流它的频率各是多少周?

工频电流下,容性无功电流和感性无功电流它的频率各是多少周?

2025-03-30 20:44:45

推荐回答（4个）

回答1：

1,容性无功功率:Q=UcI
Xc=1/2πfc
Q=(U/Xc)U=U^2/Xc=2πU^2fc
因此无功功率的频率取决于所属电路中的频率.如是工频则是50HZ.
感性类此.

回答2：

两种电流都是跟工频的50赫兹一样的，只是容性的超前，感性的滞后而已。

回答3：

要看在什么电路里
而且所接外围电路的等效电阻还要知道才可以算的啊/？？？？

回答4：

当然是50赫兹啊，只是电流与电压不同相而已。

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