Rotor Design of High-Speed Permanent Magnet Synchronous Motors Considering Rotor Magnet and Sleeve Materials

被引：52
|
作者：
Ahn, Ji-hun [1 ]
Han, Cheol [2 ]
Kim, Chang-woo [3 ]
Choi, Jang-young [3 ]
机构：
[1] MAGNETAR, Dept Res & Dev, Daejeon 34103, South Korea
[2] MAGNETAR Inc, Daejeon 34103, South Korea
[3] Chungnam Natl Univ, Dept Elect Engn, Daejeon 34134, South Korea
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2018年 / 28卷 / 03期
关键词：
Analytical method; sleeve material; mechanical stress; high-speed PMSM;
D O I：
10.1109/TASC.2017.2786690
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 describes the rotor design of high-speed permanent magnet (PM) synchronous motors considering rotor magnet and sleeve materials. The influence of four different sleeve materials with two different PM materials on the mechanical stress of a high-speed PM rotor is presented, and the relationship between sleeve thickness and shrink fit is examined. Rotor design criteria according to rotor materials are described by an analytical method. The proposed method is validated by an actual operational test at 400000 rpm using a fabricated prototype rotor.
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页数：4
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