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电动机运行中跳闸,如何判断电机好坏?

问答题
2021-12-27 11:14
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正确答案

(1)对电机本体进行检查,有无焦臭味及明显放电痕迹。
(2)摇测电机绝缘有无接地现象。
(3)摇测电机三相是否接通,如有一相与其它相不通,说明一相线圈有断线。
(4)折开电机中性点,测量相间绝缘是否良好。
(5)进行必要的电气试验,如测量直流电阻等。


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