发布时间:2025-01-24 21:13:21
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。
我家新装修房子原来在一楼牵了电信宽带现在我家二楼新装修有网线可是怎样才能把一楼的宽带通过二楼的
2025-01-24 21:13:21 2025-01-24 21:13:21 2025-01-24 21:13:21 2025-01-24 21:13:21 2025-01-24 21:13:21 2025-01-24 21:13:21 2025-01-24 21:13:21 2025-01-24 21:13:21 2025-01-24 21:13:21 2025-01-24 21:13:21浩辰cad2020在夹点悬停不显示长度而是弹出特性框包括图层线型颜色怎么显示长度
2025-01-24 21:13:21 2025-01-24 21:13:21 2025-01-24 21:13:21 2025-01-24 21:13:21 2025-01-24 21:13:21 2025-01-24 21:13:21 2025-01-24 21:13:21 2025-01-24 21:13:21 2025-01-24 21:13:21 2025-01-24 21:13:21 2025-01-24 21:13:21 2025-01-24 21:13:21 2025-01-24 21:13:21 2025-01-24 21:13:21 2025-01-24 21:13:21 2025-01-24 21:13:21 2025-01-24 21:13:21 2025-01-24 21:13:21 2025-01-24 21:13:21