Flux Leakage Analytical Calculation in the E-Shape Stator of Linear Rotary Motor With Interlaced Permanent Magnet Poles

被引：5
作者：
Guo, Kaikai [1 ]
Guo, Youguang [2 ]
Fang, Shuhua [3 ]
机构：
[1] Anhui Univ Sci & Technol, Sch Elect & Informat Engn, Huainan 232001, Peoples R China
[2] Univ Technol Sydney, Sch Elect & Data Engn, Ultimo, NSW 2007, Australia
[3] Southeast Univ, Sch Elect Engn, Nanjing 210096, Peoples R China
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2022年 / 58卷 / 08期
基金：
中国博士后科学基金;
关键词：
Stators; Air gaps; Magnetic flux leakage; Reluctance motors; Permanent magnet motors; Optimization; Magnetic analysis; Analytical method; finite element method (FEM); flux leakage; linear rotary machine; PREDICTION; TORQUE; FORCE;
D O I：
10.1109/TMAG.2022.3147448
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：
The circumferential and axial widths of permanent magnet (PM) pole and E-shape stator pole of linear rotary motor with interlaced PM poles are very influential to the back electromotive force (EMF) and the flux leakage analysis is complex, which causes difficulty in optimization of the motor structure. One of the key issues in optimization design is to calculate the flux leakage accurately. In this article, the main flux and side flux variation laws of stator pole are derived by analytical method. The flux leakage can be divided into the flux leakage between the PM and the mover, flux leakage on the stator tooth tip, and the flux leakage between the adjacent PM poles and stator pole. The 3-D flux leakage calculation model is built, which is suitable for the calculation of magnetic flux based on different motor operating principles. Then the rotational and rectilinear back EMFs are calculated by analytical method, which are consistent with the results analyzed by 3-D finite element method.
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页数：6
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