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永磁同步电机为什么要接电容

更新时间: 2020-07-05 00:00:00     

因为永磁同步电机是单相电机,本身的磁场不能支撑旋转,导致没有一个磁场作用力在绕组上。为了能使电机在上电后就能马上旋转,便加入了启动电容。启动电容能够使副绕组的电流超前主绕组电流相位90度,产生一个磁场力矩启动转子,便于永磁同步机的工作。

关键词: 永磁 同步 电机 为什么 电容

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