|
|
|
| A New Structure of Permanent Magnet Traction Motor for Improving Flux-Weakening Level |
| Chen Lixiang, Zhang Zhaoyu, Tang Renyuan |
| National Engineering Research Center for REPM Electrical Machine Shenyang University of Technology Shenyang 110870 China |
|
|
|
|
Abstract Poor flux-weakening level of permanent magnet traction motor is the main reason to limit its development in high-speed field. In this paper, interior segmented rotor magnetic circuit structure is proposed to improve its flux-weakening level. By Ansoft software, the effects of ordinary rotor magnetic circuit structure and segmented rotor magnetic circuit structure on the direct-axis armature reaction inductance are analyzed. D-axis inductance of segmented rotor circuit structure is increasing by 60% than that of traditional rotor structure, and the highest speed is increasing by 50% when value of current is 13A. The conclusion that the motor with interior segmented rotor structure can effectively improve flux-weakening level of permanent magnet traction motor and still meet basic performance requirements is verified by prototype test.
|
|
Received: 10 October 2010
Published: 20 March 2014
|
|
|
|
|
|
[1] 唐任远. 现代永磁电机理论与设计[M]. 北京: 机械工业出版社, 2000.
[2] Xu Longya, Ye Lurong, Li Zhen, et al. A new design concept of permanent magnet machine for flux weakening operation[J]. IEEE Transactions on Industry Applications, 1995, 31(2): 375-378.
[3] 严岚, 贺益康, 严伟灿. 弱磁用复合式转子永磁无刷直流电机设计[J]. 中小型电机, 2002, 29(2): 5-8.
Yan Lan, He Yikang, Yan Weican. Design of a PM brushless DC motor with combined rotor structure used for flux weakening[J]. Small and Medium Electric Machines, 2002, 29(2): 5-8.
[4] Huajie Yin, Lin J M. Comparison on characteristics of PMSMS with different parameters for flux- weakening operation[C]. Proceedings of International Conference on Electrical Machines and System, 1994: 1-5.
[5] 尹华杰, 蒋豪贤, 谢运祥, 等. 一种永磁同步电动机弱磁新方案[J]. 微电机, 1999, 32(2): 13-15.
Yin Huajie, Jiang Haoxian, Xie Yunxiang, et al. A new method on weakening field of permanent magnet synchronous motor[J]. Micromotors, 1999, 32(2): 13-15. |
|
|
|
2012, Vol. 27 
