Hybrid Commutation Method of Circular Winding Brushless DC Motor

被引：0
作者：
Zhang Q. [1 ]
Jia Z. [2 ]
Wang D. [1 ]
机构：
[1] National Key Laboratory of Science and Technology on Vessel Integrated Power System, Naval University of Engineering, Wuhan
[2] Naval Research Institute, Beijing
来源：
Diangong Jishu Xuebao/Transactions of China Electrotechnical Society | 2022年 / 37卷 / 17期
关键词：
Brushless DC motor; commutation method; torque density; torque ripple;
D O I：
10.19595/j.cnki.1000-6753.tces.211159
中图分类号：
学科分类号：
摘要：
Circular winding brushless DC motor (CWBLDCM) is a novel non-sinusoidal multiphase permanent-magnet one whose torque performance is closely related to the commutation of current. This paper proposes a hybrid commutation method, in which both the back-EMF and the DC-bus voltage are exploited to improve the torque performance. With the variation of two commutation parameters, β and γ, the hybrid commutation process can be classified into four typical states. Firstly, all commutation states are analyzed, simulated, and then verified by experiment. Then, the torque performance under different commutation states is compared. Finally, according to the comparison result, an optimized control strategy is recommended for the CWBLDC motor. © 2022 Chinese Machine Press. All rights reserved.
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页码：4346 / 4354
页数：8
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