Halbach magnet array 구조를 이용한 철도차량용 구동 전동기의 출력밀도 향상 설계 방법Output Density Increasing Design for Railway Vehicle Traction Motor using Halbach Magnet Array Structure
- Other Titles
- Output Density Increasing Design for Railway Vehicle Traction Motor using Halbach Magnet Array Structure
- Authors
- 이기덕; 전현우; 이주; 이형우
- Issue Date
- Dec-2014
- Publisher
- Korean Institute of Electrical Engineers
- Keywords
- Halbach magnet array; Output density; Traction motor
- Citation
- Transactions of the Korean Institute of Electrical Engineers, v.63, no.12, pp.1732 - 1736
- Indexed
- SCOPUS
KCI
- Journal Title
- Transactions of the Korean Institute of Electrical Engineers
- Volume
- 63
- Number
- 12
- Start Page
- 1732
- End Page
- 1736
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/143922
- DOI
- 10.5370/KIEE.2014.63.12.1732
- ISSN
- 1975-8359
- Abstract
- Generally, traction motors for railway vehicles are inferior to that of electric vehicle in terms of output density. Traction motors for railway vehicles are relatively free of spatial constraints than motors electric vehicles, but in terms of whole system efficiency, increasing output density of traction motor is helpful. In this paper, using Halbach magnet array structure, output density of traction motor for 40kW class tram was elevated. This paper introduce detailed design process of the Halbach magnet array structure applied model, and check the affects on output characteristics by parameters like rotor shape, airgap diameter and pole ratio. Also, electrical output characteristics were compared! between typical SPMSM model and Halbach magnet array model, which has same output size.
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