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58问答库 > 只有三个接线柱的三相异步电动机相间互相形成通路吗

只有三个接线柱的三相异步电动机相间互相形成通路吗

2025-04-02 17:36:59

推荐回答（1个）

回答（1）：

三个接线柱之间是电机绕组的直流电阻。Y接线电机，两接线柱之间是两相绕组串联电阻值。Δ接线电机，两接线柱之间是两相绕组串联再与第三相绕组的并联电阻值。由于电机直流电阻很小（只有几欧姆），用万用表通断档测量就和通的似的。

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