Study on Eddy Current Loss of Permanent Magnet and Performance Improvement in Low-speed High-torque Permanent Magnet Synchronous Motor

被引：1
作者：
Zhou, Peng [1 ]
Xu, Yanliang [1 ]
Xu, Xiaolong [2 ]
机构：
[1] Shandong Univ, Sch Elect Engn, Jinan, Peoples R China
[2] Minist Water Resources, Shandong Trunk Line Co Ltd East Line South North, Zaozhuang, Peoples R China
来源：
TWENTIETH BIENNIAL IEEE CONFERENCE ON ELECTROMAGNETIC FIELD COMPUTATION (IEEE CEFC 2022) | 2022年
关键词：
eddy current loss; soft magnetic composite (SMC) material; magnetic slot wedge; magnetic insulation slot;
D O I：
10.1109/CEFC55061.2022.9940702
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
The stator slot of low-speed high-torque permanent magnet synchronous motor (LHPMSM) is generally designed as straight slot, due to the need of wire embedding process, which will introduce a large number of tooth harmonics. At the same time. Tooth harmonics worsen the eddy current loss of permanent magnets(PMs), leading to continuous temperature rise, demagnetization of PMs, and affecting the working performance of motor. In this paper, a slot wedge made of composite material is proposed and a magnetic insulation slot is introduced into the rotor. The optimized model not only decreases the eddy current loss, but also improves the electromagnetic performance of LHPMSM.
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页数：2
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