双凸极电机的凸极结构及其供电电源的开关形式 ，导致了在输出转矩中存在稳态转矩脉动和换向转矩脉动。
The torque-ripples of the double-salient motor are inevitable for its double salient structure and switch power source.
双凸极电机的凸极结构及其供电电源的开关形式 ，导致了在输出转矩中存在稳态转矩脉动和换向转矩脉动。
The torque-ripples of the double-salient motor are inevitable for its double salient structure and switch power source.
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