三相异步电动机和同步电动机的区别？ 同步电动机和异步电动机的区别
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而三相同步电机的转子是通有直流电的在转子上产生固定的磁极，在定子旋转磁场的作用下能够和定子旋转磁场的转速一致，所以叫同步电动机，理论上来说，三相同步电动机和发电机其结构是完全一样的，一般统称为三相同步电机！
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