Torque Characteristic Analysis of Coaxial Magnetic Gear According to Fillet Parameter of Pole Piece
- Authors
- Gim, C.-S.[Gim, C.-S.]; Park, E.-J.[Park, E.-J.]; Jung, S.-Y.[Jung, S.-Y.]; Kim, Y.-J.[Kim, Y.-J.]
- Issue Date
- 2018
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- Finite element analysis; Magnetic gears; Permanent magnet machines; Pole piece; Rotors; Torque
- Citation
- ICEMS 2018 - 2018 21st International Conference on Electrical Machines and Systems, pp.2557 - 2560
- Journal Title
- ICEMS 2018 - 2018 21st International Conference on Electrical Machines and Systems
- Start Page
- 2557
- End Page
- 2560
- URI
- https://scholarworks.bwise.kr/skku/handle/2021.sw.skku/23608
- DOI
- 10.23919/ICEMS.2018.8549422
- ISSN
- 0000-0000
- Abstract
- Coaxial magnetic gears have the advantages of high efficiency and high reliability. However, when these magnetic gears operate, a torque ripple is generated because of the difference in magnetic resistance between the pole piece and the air. The torque ripple causes noise and vibration on the coaxial magnetic gear; therefore, it must be minimized during the design process. In this study, a pole piece with fillet was proposed to reduce torque ripple. Using a finite element analysis based on two-dimensional numerical analysis, the torque performances of the coaxial magnetic gears were compared and analyzed according to the fillet parameter value of the pole piece. Torque characteristics of magnetic gears were compared according to the various gear ratios, number of poles, and magnetic gear size. Then, the result shows that the effect of the parameters varies with the gear ratio of the magnetic gears. © 2018 KIEE EMECS (KIEE Electrical Machinery and Energy Conversion Systems).
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Collections - Information and Communication Engineering > School of Electronic and Electrical Engineering > 1. Journal Articles
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