发布时间:2025-01-24 22:52:17
1、用绝缘电阻摇表检查电机线圈的绝缘电阻是否大于0.5兆欧,如果大于0.5兆欧,那说明电机的绝缘性能良好.
2、用万用表电阻档,测试电机的3个绕组的直流电阻是否一样,如果一样或者3个绕组的直流电阻的大小偏差很小,那说明3个绕组的线圈之间没有匝间短路的问题。
3、手动盘动电机的转轴,检查有否盘不动,异响等。
新买了个美的华凌电热水器自己安装农村楼顶水罐水压不够接泄压阀进水不行出水几乎没有
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