永磁磁通切换电机转矩冲量平衡控制优化切换控制策略
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摘要
永磁磁通切换(FSPM)电机的转矩冲量平衡控制具有不受PI参数影响,能使电机达到最优动态性能的优点,适合应用在电机负载突变的动态调节过程中。然而,转矩冲量平衡控制与直接转矩控制(DTC)之间的常规切换模式导致电机的转速和转矩仍然需要DTC的重新调节才能收敛。该文提出两种优化切换控制策略,能够实现控制算法切换瞬间DTC中转速调节器或电压空间矢量选择表的输入修正,从而实现控制系统的快速收敛,减小二次调节时间。仿真结果和实验波形均验证了两种切换控制策略对转矩冲量平衡控制动态性能优化的正确性和有效性。
The torque impulse balance control of flux switching permanent magnet(FSPM)machine is not influenced by PI parameters, which can improve dynamic performance of the motor during load transient. However, conventional switching mode causes the speed and torque of the motor to be readjusted by direct torque control(DTC) to achieve steady state when control strategy is changing to DTC. This paper presents two optimal switching control methods, which can modify the input of speed regulator or voltage space vector table at the moment of control algorithms' switching, in order to achieve rapid convergence of the control system and decrease the secondary recovery time. Experimental results demonstrate correctness of the proposed algorithms which aim to optimize dynamic performance.
The torque impulse balance control of flux switching permanent magnet(FSPM)machine is not influenced by PI parameters, which can improve dynamic performance of the motor during load transient. However, conventional switching mode causes the speed and torque of the motor to be readjusted by direct torque control(DTC) to achieve steady state when control strategy is changing to DTC. This paper presents two optimal switching control methods, which can modify the input of speed regulator or voltage space vector table at the moment of control algorithms' switching, in order to achieve rapid convergence of the control system and decrease the secondary recovery time. Experimental results demonstrate correctness of the proposed algorithms which aim to optimize dynamic performance.
引文
[1]Hua Wei,Cheng Ming,Zhu Ziqiang,et al.Study on static characteristics of a novel two-phase flux-switching doubly-salient permanent magnet machine[J].Transactions of China Electrotechnical Society,2006,21(6):70-77.
[2]花为,程明,诸自强,等.新型磁通切换型双凸极永磁电机的静态特性研究[J].中国电机工程学报,2006,26(13):129-134.Hua Wei,Cheng Ming,Zhu Ziqiang,et al.Study on static characteristic of novel flux-switching doubly salient PM machine[J].Proceedings of the CSEE,2006,26(13):129-134.
[3]谢德娥,王宇,邓智泉.考虑反电动势2次谐波的容错型磁通切换电机开路及短路故障控制策略[J].电工技术学报,2016,31(14):130-138.Xie De’e,Wang Yu,Deng Zhiquan.Fault-tolerant control strategy for fault tolerant flux-switching motor with one phase open or short considering second harmonic back-electromotive force[J].Transactions of China Electrotechnical Society,2016,31(14):130-138.
[4]肖文妍,王宇,耿亮,等.单相开路情况下6/19永磁磁通切换容错电机转矩冲量平衡控制策略[J].电工技术学报,2018,33(7):1488-1496.Xiao Wenyan,Wang Yu,Geng Liang,et al.Torque impulse balance control strategy of 6/19 FTFSPMmachine under open-circuit condition[J].Transactions of China Electrotechnical Society,2018,33(7):1488-1496.
[5]耿亮,王宇,肖文妍.6/19容错型永磁磁通切换电机的短路故障容错控制[J].电工技术学报,2016,31(2):219-227.Geng Liang,Wang Yu,Xiao Wenyan.Fault-tolerant control strategy for short-circuit failure of 6/19 fluxswitching permanent magnet motors[J].Transactions of China Electrotechnical Society,2016,31(2):219-227.
[6]李小庆,朱景伟,孙军浩,等.双绕组永磁容错电机矢量控制系统研究[J].电工技术学报,2016,31(5):26-34.Li Xiaoqing,Zhu Jingwei,Sun Junhao,et al.Study on the vector control system for dual winding faulttolerant permanent magnet motors[J].Transactions of China Electrotechnical Society,2016,31(5):26-34.
[7]张少华.永磁同步电机矢量控制策略研究与控制器实现[D].长沙:中南大学,2008.
[8]汤行舟.永磁同步电机的矢量控制系统[D].杭州:浙江大学,2005.
[9]郝振洋,胡育文,沈天珉.永磁容错电机的直接转矩控制策略[J].电工技术学报,2014,29(3):180-188.Hao Zhenyang,Hu Yuwen,Shen Tianmin.Direct torque control strategy of fault tolerant permanent magnet motors[J].Transactions of China Electrotechnical Society,2014,29(3):180-188.
[10]沈天珉.永磁容错电机直接转矩控制[D].南京:南京航空航天大学,2012.
[11]杨建飞,胡育文.永磁同步电机最优直接转矩控制[J].中国电机工程学报,2011,31(27):109-115.Yang Jianfei,Hu Yuwen.Optimal direct torque control of permanent magnet synchronous motor[J].Proceedings of the CSEE,2011,31(27):109-115.
[12]杨建飞.永磁同步电机直接转矩控制系统若干关键问题研究[D].南京:南京航空航天大学,2011.
[13]Meyer E,Liu Yanfei.A quick capacitor charge balance control method to achieve optimal dynamic response for buck converters[C]//2007 IEEE Power Electronics Specialists Conference,Orlando,FL,USA,2007:549-1555.
[14]Meyer E,Wang Dong,Jia Liang.Digital charge balance controller with an auxiliary circuit for superior unloading transient performance of Buck converters[C]//2010 Twenty-Fifth Annual IEEE Applied Power Electronics Conference and Exposition(APEC),Palm Springs,CA,USA,2010:21-25.
[15]Meyer E,Zhang Zhilian,Liu Yanfei.Digital charge balance controller with low gate count to improve the transient response of buck converters[C]//2009 IEEEEnergy Conversion Congress and Exposition,San Jose,CA,USA,2009:3320-3327.
[16]周扬忠,胡育文.交流电动机直接转矩控制[M].1版.北京:机械工业出版社,2010.
[17]陈复扬.自动控制原理[M].2版.北京:国防工业出版社,2003.
[18]陈杰,陈新,冯志阳,等.微网系统并网/孤岛运行模式无缝切换控制策略[J].中国电机工程学报,2014,34(19):3089-3097.Chen Jie,Chen Xin,Feng Zhiyang,et al.A control strategy of seamless transfer between grid-connected and islanding operation for microgrid[J].Proceedings of the CSEE,2014,34(19):3089-3097.
[19]Zhu Z Q,Liu Y,Howe D.Minimizing the influence cogging torque on vibration in PM brushless machines by direct torque control[C]//IEEE International Magnetics Conference,San Diego,CA,USA,2006,203.
[2]花为,程明,诸自强,等.新型磁通切换型双凸极永磁电机的静态特性研究[J].中国电机工程学报,2006,26(13):129-134.Hua Wei,Cheng Ming,Zhu Ziqiang,et al.Study on static characteristic of novel flux-switching doubly salient PM machine[J].Proceedings of the CSEE,2006,26(13):129-134.
[3]谢德娥,王宇,邓智泉.考虑反电动势2次谐波的容错型磁通切换电机开路及短路故障控制策略[J].电工技术学报,2016,31(14):130-138.Xie De’e,Wang Yu,Deng Zhiquan.Fault-tolerant control strategy for fault tolerant flux-switching motor with one phase open or short considering second harmonic back-electromotive force[J].Transactions of China Electrotechnical Society,2016,31(14):130-138.
[4]肖文妍,王宇,耿亮,等.单相开路情况下6/19永磁磁通切换容错电机转矩冲量平衡控制策略[J].电工技术学报,2018,33(7):1488-1496.Xiao Wenyan,Wang Yu,Geng Liang,et al.Torque impulse balance control strategy of 6/19 FTFSPMmachine under open-circuit condition[J].Transactions of China Electrotechnical Society,2018,33(7):1488-1496.
[5]耿亮,王宇,肖文妍.6/19容错型永磁磁通切换电机的短路故障容错控制[J].电工技术学报,2016,31(2):219-227.Geng Liang,Wang Yu,Xiao Wenyan.Fault-tolerant control strategy for short-circuit failure of 6/19 fluxswitching permanent magnet motors[J].Transactions of China Electrotechnical Society,2016,31(2):219-227.
[6]李小庆,朱景伟,孙军浩,等.双绕组永磁容错电机矢量控制系统研究[J].电工技术学报,2016,31(5):26-34.Li Xiaoqing,Zhu Jingwei,Sun Junhao,et al.Study on the vector control system for dual winding faulttolerant permanent magnet motors[J].Transactions of China Electrotechnical Society,2016,31(5):26-34.
[7]张少华.永磁同步电机矢量控制策略研究与控制器实现[D].长沙:中南大学,2008.
[8]汤行舟.永磁同步电机的矢量控制系统[D].杭州:浙江大学,2005.
[9]郝振洋,胡育文,沈天珉.永磁容错电机的直接转矩控制策略[J].电工技术学报,2014,29(3):180-188.Hao Zhenyang,Hu Yuwen,Shen Tianmin.Direct torque control strategy of fault tolerant permanent magnet motors[J].Transactions of China Electrotechnical Society,2014,29(3):180-188.
[10]沈天珉.永磁容错电机直接转矩控制[D].南京:南京航空航天大学,2012.
[11]杨建飞,胡育文.永磁同步电机最优直接转矩控制[J].中国电机工程学报,2011,31(27):109-115.Yang Jianfei,Hu Yuwen.Optimal direct torque control of permanent magnet synchronous motor[J].Proceedings of the CSEE,2011,31(27):109-115.
[12]杨建飞.永磁同步电机直接转矩控制系统若干关键问题研究[D].南京:南京航空航天大学,2011.
[13]Meyer E,Liu Yanfei.A quick capacitor charge balance control method to achieve optimal dynamic response for buck converters[C]//2007 IEEE Power Electronics Specialists Conference,Orlando,FL,USA,2007:549-1555.
[14]Meyer E,Wang Dong,Jia Liang.Digital charge balance controller with an auxiliary circuit for superior unloading transient performance of Buck converters[C]//2010 Twenty-Fifth Annual IEEE Applied Power Electronics Conference and Exposition(APEC),Palm Springs,CA,USA,2010:21-25.
[15]Meyer E,Zhang Zhilian,Liu Yanfei.Digital charge balance controller with low gate count to improve the transient response of buck converters[C]//2009 IEEEEnergy Conversion Congress and Exposition,San Jose,CA,USA,2009:3320-3327.
[16]周扬忠,胡育文.交流电动机直接转矩控制[M].1版.北京:机械工业出版社,2010.
[17]陈复扬.自动控制原理[M].2版.北京:国防工业出版社,2003.
[18]陈杰,陈新,冯志阳,等.微网系统并网/孤岛运行模式无缝切换控制策略[J].中国电机工程学报,2014,34(19):3089-3097.Chen Jie,Chen Xin,Feng Zhiyang,et al.A control strategy of seamless transfer between grid-connected and islanding operation for microgrid[J].Proceedings of the CSEE,2014,34(19):3089-3097.
[19]Zhu Z Q,Liu Y,Howe D.Minimizing the influence cogging torque on vibration in PM brushless machines by direct torque control[C]//IEEE International Magnetics Conference,San Diego,CA,USA,2006,203.
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