The purpose of this study is to design brushless permanent magnet DC motors for electric vehicles based on a pole-changing method. By generating a pulse when changing the number of poles, magnetization of magnets can be changed appropriately and the principle of pole-changing motors can be applied to permanent magnet machines. This kind of machine not only retains the feature of permanent magnet machines in efficiency, but also acquires wide speed range. In this study, a pole-changing method using common windings is proposed and performance of brushless permanent magnet DC pole-changing motors is investigated. According to T-N curves, the proposed brushless permanent magnet pole-changing motor yields larger starting torque and wider speed range than motors with a fixed number of poles.
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ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis
July 25–27, 2014
Copenhagen, Denmark
Conference Sponsors:
- International
ISBN:
978-0-7918-4583-7
PROCEEDINGS PAPER
A Novel Brushless Permanent Magnet Motor for Electric Scooters
T. S. Liu,
T. S. Liu
National Chiao Tung University, Hsinchu, Taiwan
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Y. C. Chung
Y. C. Chung
National Chiao Tung University, Hsinchu, Taiwan
Search for other works by this author on:
T. S. Liu
National Chiao Tung University, Hsinchu, Taiwan
Y. C. Chung
National Chiao Tung University, Hsinchu, Taiwan
Paper No:
ESDA2014-20480, V001T02A018; 9 pages
Published Online:
October 23, 2014
Citation
Liu, TS, & Chung, YC. "A Novel Brushless Permanent Magnet Motor for Electric Scooters." Proceedings of the ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis. Volume 1: Applied Mechanics; Automotive Systems; Biomedical Biotechnology Engineering; Computational Mechanics; Design; Digital Manufacturing; Education; Marine and Aerospace Applications. Copenhagen, Denmark. July 25–27, 2014. V001T02A018. ASME. https://doi.org/10.1115/ESDA2014-20480
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