交流电动机是利用交流电来激励并产生磁场的电动机,交流电动机可以控制电流和磁场的方向,是不用设计电刷的,而结构上主要分为同步电动机异步电动机两大类,前者一般会有永久磁铁,后者则使用感应方式使线圈产生磁场,也可根据所加的交流电也分为单相和三相电机。

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