Analysis of Electromagnetic–Mechanical Characteristics according to Shaft Materials of Permanent Magnet Synchronous Motor

Jeong-In Lee, Young-Cheol Kim, Jang-Young Choi and Han-Wook Cho ()
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Jeong-In Lee: Electric Power System Design Team, Hyundai Transys, Hwaseong-si 18603, Korea
Young-Cheol Kim: Department of System Dynamics, Korea Institute of Machinery and Materials, Daejeon 34103, Korea
Jang-Young Choi: Department of Electrical Engineering, Chungnam National University, Daejeon 34134, Korea
Han-Wook Cho: Department of Electrical, Electronic and Communication Engineering Education, Chungnam National University, Daejeon 34134, Korea

Energies, 2022, vol. 15, issue 21, 1-10

Abstract: In this paper, an analysis of electromagnetic–mechanical characteristics according to the shaft materials of a permanent magnet synchronous motor was performed. In general, the shaft of an electric motor rotating at high speed uses various materials, considering the mechanical rigidity and electromagnetic characteristics. However, because the material of the shaft has a significant influence on the electromagnetic performance according to the characteristics of the non-magnetic and magnetic materials, electromagnetic characteristics analysis was performed according to the material of the shaft. In addition, because the machine rotating at a high speed entails mechanical problems owing to the centrifugal force, the mechanical stability was secured through critical speed characteristic analysis according to each material after performing the von Mises stress analysis of the permanent magnet and sleeve.

Keywords: permanent magnet synchronous motor; shaft materials; electromagnetic–mechanical characteristics; synchronous inductance (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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