Design and analysis of interior composite-rotor bearingless permanent magnet synchronous motors with two layer permanent magnets

被引：21
作者：
Sun, X. [1 ,2 ]
Su, B. [1 ]
Chen, L. [2 ]
Yang, Z. [3 ]
Li, K. [3 ]
机构：
[1] Jiangsu Univ, Sch Automot & Traff Engn, Zhenjiang 212013, Peoples R China
[2] Jiangsu Univ, Automot Engn Res Inst, Zhenjiang 212013, Peoples R China
[3] Jiangsu Univ, Sch Elect & Informat Engn, Zhenjiang 212013, Peoples R China
来源：
BULLETIN OF THE POLISH ACADEMY OF SCIENCES-TECHNICAL SCIENCES | 2017年 / 65卷 / 06期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
bearingless motor; permanent magnet motor; finite element analysis; cogging torque; static electromagnetic characteristics; TORQUE RIPPLE;
D O I：
10.1515/bpasts-2017-0091
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, a new type of interior composite-rotor bearingless permanent magnet synchronous motors (BPMSMs) with two layer permanent magnets (PMs) is proposed. In order to reduce the torque ripple of this kind of motors, the sizes of PMs are optimized. Moreover, the magnetic field analysis of the interior composite-rotor BPMSM with two layer PMs is carried out by the finite element method (FEM). The corresponding static electronic magnetic characteristics at no load, including magnetic field, PM flux linkage and inductance, are studied in detail. In addition, electromagnetic torque characteristics and suspension force characteristics are also investigated thoroughly. The results of the analysis and simulation lay a significant foundation for further research on the interior composite-rotor BPMSMs with two layer PMs.
引用
收藏
页码：833 / 843
页数：11
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