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用万能表怎么测量三相水泵好坏啊
更新时间: 2020-07-05 00:00:00  

1、测量电机绕组阻值,先用万用表电阻档测电机线圈阻值,可以使用乘10电阻档,要分别测三相线圈阻值,阻值在几十欧至千欧为正常,三相电机的三组数据相近为正常,如果三相电机的阻值相差比较大,也可以判断有一相线圈烧毁,测量的目的测量电机绕组线圈的好坏,判断有无线圈烧掉,电机槽间短路等情况;2、测量电机绕组对地绝缘,用万用表10千档测电机线圈与外壳阻值,要分别测测三组线圈与外壳阻值,万用表一端接线圈出线,另一端接电机外壳,阻值在1兆欧以上为正常,测量的目的是检测电机对外壳的绝缘性能是否良好。

关键词: 万能 怎么 测量 三相 水泵 好坏

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