Torque Ripple Analysis of Line-Start Permanent Magnet Synchronous Motors

被引：0

作者：

Wang, Yanbo ^{[1
]}

Shen, Tao ^{[1
]}

Xu, Yongming ^{[2
]}

Xu, Ziyi ^{[2
]}

机构：

[1] Harbin Univ Sci & Technol, Sch Measurement & Commun Engn, Harbin 150080, Peoples R China

[2] Changzhou Inst Technol, Sch Elect & Informat Engn, Changzhou 213032, Peoples R China

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2024年 / 34卷 / 08期

基金：

中国国家自然科学基金;

关键词：

Rotors; Harmonic analysis; Torque measurement; Torque; Prototypes; Magnetic fields; Air gaps; Line-start permanent magnet synchronous motors; torque ripple; the number of rotor slots; rotor slotting;

D O I：

10.1109/TASC.2024.3446272

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：

On account of the introduction of the rotor cage, the inherent torque ripple is a challenging problem in the design of line-start permanent magnet motors (LSPMSMs). In order to reveal the influence of the rotor cage on the torque ripple, we studied the torque ripple of the LSPMSM using a torque separation method based on Maxwell's stress tensor. A 280 kW, four-pole LSPMSM is used as the research object. The contribution of rotor slotting and bar currents to the torque ripple is evaluated. The relationship between the torque ripple and the harmonic magnetic field induced by rotor slotting and bar currents is obtained. Furthermore, the effect of rotor slotting and bar currents on the torque ripple of LSPMSMs is determined.

引用

页数：5

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