15问答网 > 怎样知道变频器母线电流？

怎样知道变频器母线电流？

2025-04-02 21:06:37
推荐回答（3个）
回答1：

带载时和带载是不一样，30Hz时和50HZ是不一样，轻载时和重载时又不一样，要想知道变频器电容容量够不够你看他带载时与带载前直流母线电压有没有变化，变化太大那说明电容容量不名够。相差几伏十来伏都算正常。

回答2：

这个能算吗？不带载时和带载是不一样，30Hz时和50HZ是不一样，轻载时和重载时又不一样，要想知道变频器电容容量够不够你看他带载时与带载前直流母线电压有没有变化，变化太大那说明电容容量不名够。相差几伏十来伏都算正常，

回答3：

串联一个电流表进 去就行了。

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