Design of multi-phase permanent magnet synchronous motor with fractional-slot windings for electromagnetic vibration reduction considering stator teeth modulation

被引：1
|
作者：
Liu, Zhiguang [1 ,2 ]
Yang, Zhiyong [1 ]
Wang, Xiaoyuan [3 ]
Yu, Pengcheng [4 ]
Li, Zhiqiang [5 ]
机构：
[1] Tianjin Univ, Sch Mech Engn, Tianjin, Peoples R China
[2] Baotou Iron & Steel Grp Co Ltd, Baotou, Peoples R China
[3] Tianjin Univ, Sch Elect & Informat Engn, Tianjin, Peoples R China
[4] China Huaneng Grp Co Ltd, Beijing, Peoples R China
[5] Baotou Res Inst Rare Earths, Baotou, Peoples R China
来源：
IET ELECTRIC POWER APPLICATIONS | 2023年 / 17卷 / 09期
关键词：
electromagnetic forces; permanent magnet machines; vibration control; TOOTH MODULATION; RADIAL FORCE; MACHINES; PERFORMANCE; PMSM;
D O I：
10.1049/elp2.12327
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A multi-phase permanent magnet synchronous motor (PMSM) with fractional-slot windings is proposed to reduce electromagnetic vibration and improve torque performance. Firstly, the analytical expression of electromagnetic force is derived, and the stator teeth modulation effect of electromagnetic force is introduced. The spatial order of the electromagnetic force and the stator teeth modulation are closely related to the slot-pole combination of the PMSM. Then, three PMSMs with different slot-pole combinations are presented, and they represent fractional-slot concentrated winding, integral-slot distributed winding and fractional-slot distributed winding, respectively. Their torque performance and electromagnetic vibration performance are studied and compared considering stator teeth modulation. In addition, the multi-phase winding technology is adopted to further improve the torque performance of the proposed PMSM. Finally, a 90s20p PMSM is manufactured, and the finite element method and experimental method are used to verify the proposed low vibration design method.
引用
收藏
页码：1123 / 1135
页数：13
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