Having three "waves" of magnetism induced in the rotor with every revolution, instead of just one, smooths out the induction process and allows more torque to be generated.
由于每次旋转过程转子都有三“波”感生磁场，而不是只有一“波”，其感应过程更平滑而使其能够产生更大的扭矩。
Permanent magnetism of the rotor synchronous electrical cigang permanent magnetism is multipolar stator are two pairs of feet are still90degrees electricity perspective a very similar jacket one coil.
永磁同步电机的转子是多极的永磁磁钢，定子是两对爪极偏90度电角度，爪极外套一线圈。
Next, it puts forward a new permanent magnetism synchronous machine rotor initial point estimate method - High frequency signals injection method.
其次，探讨了一种新的永磁同步电机转子初始位置估算方法——高频电压信号注入法。
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