发布时间:2025-01-24 21:16:25
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。
读东南亚地图回答下列各题 1东南亚位于联系亚洲和大洋洲沟通______洋和_______洋的十字
2025-01-24 21:16:25 2025-01-24 21:16:25 2025-01-24 21:16:25 2025-01-24 21:16:25 2025-01-24 21:16:25 2025-01-24 21:16:25如何从插座上引点到灯开关插座的电是直接接漏电保护开关的速求各位大神指点一二最好有图正确
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