Design of fan-shape type PMSM for improving efficiency of non-rare earth motor비희토류 전동기의 효율 향상을 위한 Fan-shape type PMSM 설계 및 성능 분석
- Other Titles
- 비희토류 전동기의 효율 향상을 위한 Fan-shape type PMSM 설계 및 성능 분석
- Authors
- Cho, S.; Ahn, H.; Ham, S.-H.; Jin, C.-S.; Lee, S.G.; Lee, J.
- Issue Date
- Feb-2016
- Publisher
- Korean Institute of Electrical Engineers
- Keywords
- Core loss; Efficiency; Fan-shape; Non-rare earth; PMSM(Permanent magnet synchronous motor); Rotor shape
- Citation
- Transactions of the Korean Institute of Electrical Engineers, v.65, no.2, pp.360 - 364
- Indexed
- SCOPUS
KCI
- Journal Title
- Transactions of the Korean Institute of Electrical Engineers
- Volume
- 65
- Number
- 2
- Start Page
- 360
- End Page
- 364
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/155150
- DOI
- 10.5370/KIEE.2016.65.2.360
- ISSN
- 1975-8359
- Abstract
- The rare earth output is concentrated in limited number of countries including China. Also the necessity for development of non-rare earth motor is getting signified due to the rapid increase of rare earth price and resource weaponizing policies. Non-rare earth motor is generally designed as spoke type PMSM (Permanent Magnet Synchronous Motor) in order to maximize the power density. Such spoke type PMSM has advantage in concentrating the flux but demonstrates lower efficiency compared to permanent magnet using Nd (Neodymium) permanent magnet. Therefore, applications with strong necessity for efficiency need rotor structure having improved efficiency compared to spoke type PMSM. Hence, this study suggested fan-shape type PMSM with somewhat lower power density but maximized efficiency. Fan-shape type PMSM is a rotor shape demonstrating outstanding reduction of iron loss compared to existing spoke type. Thus, this study analyzed the improvement of efficiency and reduction of loss arising from the suggested shape through parameter calculation.
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