Abstract：The reliability of the drives is extremely important. In this paper, a new fault tolerant drive topology for an 8/6-pole doubly salient permanent magnet (DSPM) motor is proposed. Based on co-simulation of magnetic and electrical circuit solvers, operation characteristics of the proposed topology under various conditions are simulated. Finally, the proposed topology is validated by experiments. Both simulation and experimental results show that the proposed topology can enhance the electromagnetic performance of faulty operation, and lay a foundation for the further research on fault tolerant strategy.
[1] 赵文祥, 程明, 朱孝勇, 等. 驱动用微特电机及其控制系统的可靠性技术研究综述[J]. 电工技术学报, 2007, 22(4): 38-46. [2] 赵争鸣, 闵勇. 电机控制集成系统的高故障容限研究[J]. 中国电机工程学报, 1999, 19(3): 21-25. [3] 张兰红, 胡育文, 黄文新. 容错型四开关三相变换器异步发电系统的直接转矩控制研究[J]. 中国电机工程学报, 2005, 25(18): 140-145. [4] Chau K T, Cheng M, Chan C C. Performance analysis of 8/6-pole doubly salient permanent magnet motor[J]. Electric Machines and Power Systems, 1999, 27(10): 1055-1067. [5] Cheng M, Chau K T, Chan C C. Design and analysis of a new doubly salient permanent magnet motor[J]. IEEE Transactions on Magnetics, 2001, 37(4): 3012-3020. [6] Cheng M, Chau K T, Chan C C. New split-winding doubly salient permanent magnet motor drive[J]. IEEE Transactions on Aerospace and Electronic Systems, 2003, 39(1): 202-210. [7] Cheng M, Chau K T, Chan C C, et al. Control and operation of a new 8/6-pole doubly salient permanent magnet motor drive[J]. IEEE Transactions on Industry Applications, 2003, 39(5): 1363- 1371. [8] Fan Y, Chau K T. Torque ripple minimization of four-phase doubly salient permanent magnet motors using two-phase operation[J]. Electric Power Components and Systems, 2006, 34(4): 401-415. [9] 胡勤丰, 严仰光. 永磁式双凸极电动机系统开环转速和电压关系[J]. 电工技术学报, 2008, 23 (1): 48-52, 59. [10] Saou R, Zaim M E, Alitouche K. Optimal designs and comparison of the doubly salient permanent magnet machine and flux-reversal machine in low-speed applications[J]. Electric Power Components and Systems, 2008, 36(9): 914-931. [11] Li Y B, Mi C C. Doubly salient permanent-magnet machine with skewed rotor and six-state commutating mode[J]. IEEE Transactions on Magnetics, 2007, 43(9): 3623-3628. [12] Kastha D, Bose B K. Investigation of fault modes of voltage-fed inverter system for induction motor drive[J]. IEEE Transactions on Industry Applications, 1994, 30(4): 1028-1038. [13] Ribeiro R L A, Jacobina C B, da Silva E R C, et al. Fault detection of open-switch damage in voltage-fed PWM motor drive systems[J]. IEEE Transactions on Power Electronics, 2003, 18(2): 587-593. [14] Zhao Wenxiang, Cheng Ming, Zhu Xiaoyong, et al. Analysis of fault-tolerant performance of a doubly salient permanent-magnet motor drive using transient cosimulation method[J]. IEEE Transactions on Industrial Electronics, 2008, 55(4): 1739-1748.
2009, Vol. 24 
