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

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

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 relatio...

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Veröffentlicht in:IEEE transactions on applied superconductivity 2018-04, Vol.28 (3), p.1-4
Hauptverfasser: Ahn, Ji-hun, Han, Cheol, Kim, Chang-woo, Choi, Jang-young
Format: Artikel
Sprache:eng
Schlagworte:
Analytical method
Carbon
Force
high-speed PMSM
Interference
Magnetomechanical effects
mechanical stress
Rotors
Safety
sleeve material
Stress
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Beschreibung
Zusammenfassung: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.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2017.2786690