目 录

一、电机相关情况....................................................................................................................4

1、P-6701A........................................................................................................................4
2、P-6501A........................................................................................................................5
3、P-6501B.........................................................................................................................6

二、电机电流单相稳态测试分析...........................................................................................7

1、P-6701A........................................................................................................................7
2、P-6501A......................................................................................................................10
3、P-6501B.......................................................................................................................14

三、电机振动测试分析..........................................................................................................18

1、P-6701A......................................................................................................................18
1、P-6501A......................................................................................................................23
3、P-6501B.......................................................................................................................27

四、综合分析..........................................................................................................................31
五、措施建议..........................................................................................................................32

  

附录一 变频条件下电动机的温升与对策..................................................................33

  

附录二 电动机轴电流引起的 sunthai 轴承烧损及防止措施....................................35

 

附录三 YL1250-12 /1730 型电动机上导轴承温度过高的问题分析及具体降温措施
...........................................................................................................................................38

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