The windings construction,connection method and shifts taps varies speed method for the single phase variable-pole multi-speed asynchronous machine are described.

• 介绍了单相变极多速异步电机的绕组结构、连接规律和抽头调速法,通过分析比较电势星形图得出了一种四、六极性能兼顾的变极方案。