基于12扇区的开关磁阻电机直接转矩控制脉动抑制研究∗

摘要

To overcome the disadvantage of the large torque ripple in traditional direct torque control ( DTC) of switched reluctance motors (SRM), switched reluctance motor control method based on 12 sectors was presented. Sector would be re-divided and voltage vector table was distributed. A 12 /8 pole 3 phase switched reluctance motor was designed to facilitate the verification of the correctness and validity of the proposed method. The simulations and experiment of analyzing the direct controlling torque were carried out for the proposed method and the traditional one. The results demonstrated that the proposed scheme was valid for restraining torque ripple.%针对开关磁阻电机( SRM)传统直接转矩控制( DTC)中转矩脉动大的问题，提出了基于12扇区的开关磁阻电机控制方法，将扇区进行重新划分并对电压矢量表进行重新分配，以一台三相12/8极开关磁阻电机为控制对象，通过与传统直接转矩控制方案进行仿真与试验对比。结果证明，新方案对于抑制转矩脉动纹波具有显著效果。