Abstract：To solve the torque ripple caused by the low carrier ratio limitation in high-power motor drive systems, a master-slave motor drive system based on the double stator winding structure is proposed in this paper. The high frequency harmonic current is injected through the auxiliary winding to compensate the torque ripple caused by the low carrier ratio. The basic operation principle in master-slave motor drive system and the design of master-slave windings are presented. The low frequency torque ripple and high frequency compensation are analyzed in detail. The loss of the master-slave winding system is better than that of the three-phase system with high carrier ratio when the same torque ripple is ensured. Simulations and experiments show the effectiveness of the proposed master-slave winding system and the control strategy. The loss calculation under the same torque ripple shows that the loss can be reduced by 30%, compared with conventional system with high carrier ratio.
梁梓鹏, 胡斯登, 李钊, 吴立建. 主从绕组电机驱动系统及控制策略研究[J]. 电工技术学报, 2021, 36(24): 5071-5080.
Liang Zipeng, Hu Sideng, Li Zhao, Wu Lijian. Principle and Control Strategy for Master-Slave Windings Motor Drive System. Transactions of China Electrotechnical Society, 2021, 36(24): 5071-5080.
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2021, Vol. 36 
