Reduction of Torque Ripple and Loss in Interior Permanent Magnet Synchronous Motor using Magnetic Wedge

被引：0
|
作者：
Horiuchi M. [1 ]
Yoshida R. [1 ]
Nirei M. [2 ]
Sato M. [1 ]
Mizuno T. [1 ]
机构：
[1] Faculty of Engineering, Shinshu University, 4-17-1, Wakasato, Nagano
[2] National Institute of Technology, Nagano College, 716, Tokuma, Nagano
来源：
IEEJ Transactions on Industry Applications | 2022年 / 143卷 / 02期
关键词：
IPMSM; loss; magnetic composite material; magnetic wedge; slot harmonic components; torque ripple;
D O I：
10.1541/ieejias.143.157
中图分类号：
学科分类号：
摘要：
An interior permanent magnet synchronous motor (IPMSM) is characterized by its high efficiency in a wide range of applications. However, when operating at high speeds, the torque ripple and rotor loss occur because of the spatial harmonics generated by fluctuations in the airgap permeance. This study demonstrates the suppression of slot harmonic components at the magnetic flux density by magnetic wedges made of a magnetic composite material. Results indicated that the torque ripple can be suppressed 8.6% point and the total loss can be suppressed 5.5% by using magnetic wedges. Furthermore, the temperature of the permanent magnet can be reduced because of the rotor loss can be suppressed by magnetic wedges. © 2023 The Institute of Electrical Engineers of Japan.
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页码：157 / 165
页数：8
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