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为什么电机要用励磁
更新时间: 2020-09-19 00:00:00  

电机要用励磁的原因:通俗的说同步电机就是靠励磁电流运行的,没有励磁,电机就是异步电机了。励磁电流是加在转子上的。励磁电流加在转子上,转子被励磁就像磁铁一样有了南北极,它的转速和极性和定子是一样的,所以叫同步电机。

关键词: 为什么 电机

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