The apace vector PWM has the character of wide linear range, little higher harmonic and easy digital realization, so it is being widely used in PMSM driver system.

• 摘要空间矢量PWM调制，它具有线性范围宽、高次谐波少、易于数字实现等优点，在新型的永磁同步电机驱动器中得到了普遍应用。