Analytical Study and Experimental Verification of Electromagnetic Vibration Sources and Optimization of Rotor Skew in Surface-Mounted Permanent Magnet Synchronous Machines

被引：0

作者：

Yang, Jun-Won ^{[1
]}

Kim, Tae-Seong ^{[1
]}

Nguyen, Manh-Dung ^{[1
]}

Kim, Yong-Joo ^{[2
]}

Shin, Kyung-Hun ^{[3
]}

Choi, Jang-Young ^{[1
]}

机构：

[1] Chungnam Natl Univ, Dept Elect Engn, Daejeon 34134, South Korea

[2] Chungnam Natl Univ, Dept Biosyst Machinery Engn, Daejeon 34134, South Korea

[3] Changwon Natl Univ, Dept Elect Engn, Chang Won 51140, South Korea

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2025年 / 61卷 / 01期

基金：

新加坡国家研究基金会;

关键词：

Torque; Forging; Finite element analysis; Rotors; Analytical models; Vibrations; Vectors; Air gaps; Permanent magnet machines; Mathematical models; Cogging torque; optimization; permanent magnet (PM) synchronous machine; rotor skew; subdomain method; COGGING TORQUE; DESIGN;

D O I：

10.1109/TMAG.2024.3493943

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：

In this article, a method for calculating the cogging torque and air-gap flux density of a surface-mounted permanent magnet synchronous machine (SPMSM) is studied. First, a simplified model of the SPMSM is presented for electromagnetic analysis, and the magnetic vector potential is derived using the governing equations based on Maxwell's equations in a 2-D polar coordinate system. The air-gap flux density is derived using appropriate boundary conditions, and based on analytical solutions, the cogging torque was calculated. The analysis results derived through the proposed method, and the skew of the rotor, the skew angle, and segment that satisfy the optimal cogging torque of SPMSMs are derived. The accuracy of the proposed method is verified through a comparison with the analysis results with the finite element method (FEM).

引用

页数：4

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