Comparative Study of Surface-Mounted and Interior Permanent-Magnet Motors for High-Speed Applications

被引：77
作者：
Dong, Jianning [1 ]
Huang, Yunkai [1 ]
Jin, Long [1 ]
Lin, Heyun [1 ]
机构：
[1] Southeast Univ, Engn Res Ctr Motion Control, Minist Educ, Nanjing 210018, Jiangsu, Peoples R China
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2016年 / 26卷 / 04期
关键词：
Finite-element method; high-speed permanent-magnet motors; interior permanent magnet (IPM); surface-mounted magnet (SPM); MACHINES;
D O I：
10.1109/TASC.2016.2514342
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：
This paper investigates the surface-mounted permanent-magnet (SPM) and the interior permanent-magnet (IPM) motors for high-speed applications. An SPM motor and an IPM motor are designed with the same power/speed rate and the same key dimensions. Finite-element analysis is used to compare the mechanical, electromagnetic, and antidemagnetization performances of the two motors, and lumped parameter thermal networks are involved to compare their thermal performances. It can be concluded from the comparisons that the IPM motor has comparable electromagnetic performances with the SPM motor in high-speed operations, and its costs and torque per PM weight are superior to those of the SPM motor. However, its rotor structure is not as robust and is prone to irreversible demagnetization.
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