施耐德模块BMXCRA31210C

施耐德模块BMXCRA31210C同步电机转速与电磁转速同步，而异步电动机的转速则低于电磁转速，同步电机不论负载大小，只要不失步，转速就不会变化，异步电动机的转速时刻跟随负载大小的变化而变化。同步电机的精度高、但造工复杂、造价高、维修相对困难，而异步电机虽然反应慢，但易于安装、使用，同时价格便宜。所以同步电动机没有异步电机应用广泛。同步电机多应用于大型发电机，而异步电机几乎应用在电动机场合。

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