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直流电机怎样用万用表判断好坏
更新时间: 2020-10-05 00:00:00  

判断方法:

1、电机对地短路,测试方法用摇表一端接地,一端接马达端子,摇测下来绝缘为零;如果不是零,直流电机就存在问题;

2、电机匝间开路,测试方法将摇表两端接马达两端,摇测下来绝缘大于零,如果不是,直流电机就存在问题;

3、电机匝间短路,用电桥测试即可测试直流电机是否存在问题;

4、将万能电表调至欧姆档测电阻,就可以判断直流电机是否存在问题。如果电阻为零,就是直流电机短路;如果是无穷大,就是直流电机断路。

关键词: 直流 电机 怎样 判断 好坏

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