A Study on the Shape of the Rotor to Improve the Performance of the Spoke-Type Permanent Magnet Synchronous Motor
- Authors
- Jeong, Min-Jae; Lee, Kang-Been; Pyo, Hyun-Jo; Nam, Dong-Woo; Kim, Won-Ho
- Issue Date
- Jul-2021
- Publisher
- MDPI
- Keywords
- Ferrite PM; Irreversible demagnetization; Post assembly magnetization; Reluctance torque; Spoke-type PMSM
- Citation
- Energies, v.14, no.13
- Journal Title
- Energies
- Volume
- 14
- Number
- 13
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/81715
- DOI
- 10.3390/en14133758
- ISSN
- 1996-1073
- Abstract
- This paper describes a study on the improvement of the dehydration performance of the conventional washing machine model. Recently, as interest in improving the dehydration performance of washing machines has increased, the need for a study on a high-speed electric motor has emerged. However, this conventional spoke-type PMSM has difficulty in speeding up due to the following problems. First, field weakening control is indispensable for high-speed operation of an electric motor. This control method is a big problem in causing torque drop and irreversible demagnetization of the motor. Moreover, the centrifugal force increases during high-speed operation, which adversely affects the stiffness of the motor. Therefore, in this paper, a new rotor shape of spoke-type PMSM was proposed to solve the above problem. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.
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