Analytical Open-Circuit Magnetic Field Distribution of Slotless Brushless Permanent-Magnet Machines With Rotor Eccentricity

被引：81
|
作者：
Rahideh, A. [1 ,2 ]
Korakianitis, T. [1 ]
机构：
[1] Queen Mary Univ London, Dept Engn, London E1 4NS, England
[2] Shiraz Univ Technol, Sch Elect & Elect Engn, Shiraz, Iran
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2011年 / 47卷 / 12期
关键词：
External rotor; Halbach; internal rotor; magnetization; modeling; permanent magnet; rotor eccentricity; MOTORS; FORCES; IPM;
D O I：
10.1109/TMAG.2011.2159987
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：
Analytical expressions for the no-load magnetic field distribution of slotless brushless permanent-magnet (PM) machines with static, dynamic, and mixed rotor eccentricities are presented. The proposed analytical expressions can be used for slotless brushless PM machines with any radius-independent magnetization pattern. The analytical expressions and the results for six different magnetization patterns are presented. Based on the analytical magnetic field distribution, the line and phase back-electromotive force waveforms, local traction components and unbalanced magnetic forces are obtained. The analytical results are compared with those from finite-element analyses to validate the derived expressions.
引用
收藏
页码：4791 / 4808
页数：18
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