容错型永磁磁通切换电机单相及多相短路情况下转矩冲量平衡控制策略
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摘要
容错型磁通切换电机(faulttolerantfluxswitching permanentmagnetmotor,FTFSPM)具有容错能力强和转矩密度高的特点,适用于高可靠性场合。绕组短路故障是电机常见的故障之一,该文为了实现在动态过程中转速只经过一次调节即可达到收敛,提出一种绕组短路故障下的转矩冲量平衡控制算法。为了实现这一算法,首先针对正常相电流的缺失采用磁链补偿法,针对短路电流的扰动转矩进行前馈补偿,从而提高电机不同短路故障下运行的稳定性;推导不同短路故障下转矩冲量平衡控制方程,分析空间电压的缺失及短路电流脉动转矩对改变电磁转矩能力的影响,建立实现转矩冲量平衡控制动态调节时间的一般规律;通过仿真和实验实现电机在绕组短路故障下转矩冲量平衡控制,并对不同短路故障下动态响应进行比较,验证了所提算法的正确性与有效性。
The fault tolerant flux switching permanent magnet motor has the characteristics of strong fault-tolerant ability and high torque density, and is suitable for high reliability occasions. Winding short circuit fault is one of the common faults of motor. In order to achieve convergence in the dynamic process only after one-time adjustment, a torque impulse balance control algorithm under winding short circuit fault was proposed. Firstly, the flux linkage compensation method was used for the loss of the normal phase current, and the feedforward compensation was applied to the disturbance torque of the short-circuit current, thereby improving the stability of the operation under different short-circuit faults of the motor. Then the governing equations of torque impulse balance under different short-circuit faults were derived. The influence of the lack of space voltage and the short-circuit current ripple torque on the ability to change the electromagnetic torque was analyzed. The general rule of realizing the dynamic adjustment time of torque impulse balance control was established. The torque impulse balance control of the motor under winding short circuit fault was realized by simulation and experiment. The difference of dynamic response under different short-circuit was compared, and the validity and effectiveness of the proposed algorithm were verified.
The fault tolerant flux switching permanent magnet motor has the characteristics of strong fault-tolerant ability and high torque density, and is suitable for high reliability occasions. Winding short circuit fault is one of the common faults of motor. In order to achieve convergence in the dynamic process only after one-time adjustment, a torque impulse balance control algorithm under winding short circuit fault was proposed. Firstly, the flux linkage compensation method was used for the loss of the normal phase current, and the feedforward compensation was applied to the disturbance torque of the short-circuit current, thereby improving the stability of the operation under different short-circuit faults of the motor. Then the governing equations of torque impulse balance under different short-circuit faults were derived. The influence of the lack of space voltage and the short-circuit current ripple torque on the ability to change the electromagnetic torque was analyzed. The general rule of realizing the dynamic adjustment time of torque impulse balance control was established. The torque impulse balance control of the motor under winding short circuit fault was realized by simulation and experiment. The difference of dynamic response under different short-circuit was compared, and the validity and effectiveness of the proposed algorithm were verified.
引文
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[17]Zhou Yangzhong,Lin Xiaogang,Cheng Ming.Afault-tolerant direct torque control for six-phase permanent magnet synchronous motor with arbitrary two opened phases based on modified variables[J].IEEE Transactions on Energy Conversion,2016,31(2):549-556．
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[19]Zhang Li,Fan Ying,Cui Ronghua,et al.Fault-tolerant direct torque control of five-phase FTFSCW-IPM motor based on analogous three-phase SVPWM for electric vehicle applications[J].IEEE Transactions on Vehicular Technology,2018,67(2):910-919．
[20]Su T,Ishida M,Hori T.Suppression control method for torque vibration of three-phase HB-type stepping motor utilizing feedforward control[J].IEEE Transactions on Industrial Electronics,2002,49(4):896-904．
[21]Meyer E,Liu Yanfei.Digital charge balance controller with an auxiliary circuit for improved unloading transient performance of buck converters[J].IEEE Transactions on Power Electronics,2013,28(1):357-370．
[22]Feng Guang,Meyer E,Liu Yanfei.A new digital control algorithm to achieve optimal dynamic performance in DC-to-DC converters[J].IEEE Transactions on Power Electronics,2007,22(4):1489-1498．
[23]Choi H H,Yun Hongmin,Kim Y.Implementation of evolutionary fuzzy PID speed controller for PMsynchronous motor[J].IEEE Transactions on Industrial Informatics,2015,11(2):540-547．
[24]Jia Liang,Liu Yanfei.Low cost microcontroller based implementation of robust voltage based capacitor charge balance control algorithm[J].IEEE Transactions on Industrial Informatics,2013,9(2):869-879．
[25]Vamanan N,John V.Dual comparison one cycle control for single phase AC to DC converters[J].IEEETransactions on Industry Applications,2016,52(4):3267-3278.
[2]Wang Yu,Deng Zhiquan.A multi-tooth fault-tolerant flux-switching permanent-magnet machine with twistedrotor[J].IEEE Transactions on Magnetics,2012,48(10):2674-2684．
[3]Wang Lie,Aleksandrov S,Tang Yang,et al.Fault-tolerant electric drive and space-phasor modulation of fluxswitching permanent magnet machine for aerospace application[J].IET Electric Power Applications,2017,11(8):1416-1423．
[4]Xue Xiaohong,Zhao Wenxiang,Zhu Jihong,et al.Design of five-phase modular flux-switching permanent-magnet machines for high reliability applications[J].IEEETransactions on Magnetics,2013,49(7):3941-3944．
[5]Zhao Wenxiang,Cheng Ming,Hua Wei,et al.Back-EMFharmonic analysis and fault-tolerant control of fluxswitching permanent-magnet machine with redundancy[J].IEEE Transactions on Industrial Electronics,2011,58(5):1926-1935．
[6]Li G J,Ojeda J,Hoang E,et al.Thermal-electromagnetic analysis of a fault-tolerant dual-star flux-switching permanent magnet motor for critical applications[J].IETElectric Power Applications,2011,5(6):503-513．
[7]Choi G,Jahns T M.PM synchronous machine drive response to asymmetrical short-circuit faults[J].IEEETransactions on Industry Applications,2016,52(3):2176-2185．
[8]Nguyen N K,Meinguet F,Semail E,et al.Fault-tolerant operation of an open-end winding five-phase PMSM drive with short-circuit inverter fault[J].IEEE Transactions on Industrial Electronics,2016,63(1):595-605．
[9]郝振洋，胡育文，黄文新，等．永磁容错电机最优电流直接控制策略[J]．中国电机工程学，2011,31(6):46-51.Hao Zhenyang,Hu Yuwen,Huang Wenxin,et al.Optimal current direct control strategy for fault tolerant permanent magnet motor[J].Proceedings of the CSEE,2011,31(6):46-51(in Chinese)．
[10]Tian Bing,Mirzaeva G,An Quntao,et al.Fault-tolerant control of a five-phase permanent magnet synchronous motor for industry applications[J].IEEE Transactions on Industry Applications,2018,54(4):3943-3952．
[11]Tseng S K,Liu Tianhua,Hsu J W,et al.Fault-tolerant control for a dual-PMSM drive system[J].The Journal of Engineering,2016,2016(9):344-351．
[12]Zhou Huawei,Liu Guohai,Zhao Wenxiang,et al.Dynamic performance improvement of five-phase permanent-magnet motor with short-circuit fault[J].IEEETransactions on Industrial Electronics,2018,65(1):145-155．
[13]Wang Zheng,Wang Xueqing,Cheng Ming,et al.Comprehensive investigation on remedial operation of switch faults for dual three-phase PMSM drives fed by T-3L inverters[J].IEEE Transactions on Industrial Electronics,2018,65(6):4574-4587．
[14]Zhang Jianghan,Zhao Jin,Zhou Dehong,et al.Highperformance fault diagnosis in PWM voltage-source inverters for vector-controlled induction motor drives[J].IEEE Transactions on Power Electronics,2014,29(11):6087-6099．
[15]Park Y,Yoo J M,Sul S K.Vector control of double-delta sourced winding for a dual-winding induction machine[J].IEEE Transactions on Industry Applications,2017,53(1):171-180．
[16]Ren Yuan,Zhu Z Q.Enhancement of steady-state performance in direct-torque-controlled dual three-phase permanent-magnet synchronous machine drives with modified switching table[J].IEEE Transactions on Industrial Electronics,2015,62(6):3338-3350．
[17]Zhou Yangzhong,Lin Xiaogang,Cheng Ming.Afault-tolerant direct torque control for six-phase permanent magnet synchronous motor with arbitrary two opened phases based on modified variables[J].IEEE Transactions on Energy Conversion,2016,31(2):549-556．
[18]Liu Guohai,Qu Li,Zhao Wenxiang,et al.Comparison of two SVPWM control strategies of five-phase fault-tolerant permanent-magnet motor[J].IEEETransactions on Power Electronics,2016,31(9):6621-6630．
[19]Zhang Li,Fan Ying,Cui Ronghua,et al.Fault-tolerant direct torque control of five-phase FTFSCW-IPM motor based on analogous three-phase SVPWM for electric vehicle applications[J].IEEE Transactions on Vehicular Technology,2018,67(2):910-919．
[20]Su T,Ishida M,Hori T.Suppression control method for torque vibration of three-phase HB-type stepping motor utilizing feedforward control[J].IEEE Transactions on Industrial Electronics,2002,49(4):896-904．
[21]Meyer E,Liu Yanfei.Digital charge balance controller with an auxiliary circuit for improved unloading transient performance of buck converters[J].IEEE Transactions on Power Electronics,2013,28(1):357-370．
[22]Feng Guang,Meyer E,Liu Yanfei.A new digital control algorithm to achieve optimal dynamic performance in DC-to-DC converters[J].IEEE Transactions on Power Electronics,2007,22(4):1489-1498．
[23]Choi H H,Yun Hongmin,Kim Y.Implementation of evolutionary fuzzy PID speed controller for PMsynchronous motor[J].IEEE Transactions on Industrial Informatics,2015,11(2):540-547．
[24]Jia Liang,Liu Yanfei.Low cost microcontroller based implementation of robust voltage based capacitor charge balance control algorithm[J].IEEE Transactions on Industrial Informatics,2013,9(2):869-879．
[25]Vamanan N,John V.Dual comparison one cycle control for single phase AC to DC converters[J].IEEETransactions on Industry Applications,2016,52(4):3267-3278.