基于双频矢量调制的五相永磁同步电机四维电流控制方法
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摘要
五相永磁同步电机驱动系统中,由于多相电机的非线性及逆变器的死区效应,传统最近四矢量实现的二维电流控制无法控制谐波子空间的谐波电流。为更好地控制五相电机的谐波电流,需要对五相永磁同步电机采用四维电流控制,其不仅可实现谐波电流的抑制也可通过控制电流提升转矩输出。针对双平面电压调制方法,提出一种基于空间矢量调制的双频矢量调制法及两种结合方式(M1和M2),其能有效解决脉宽调制波形非中心对称及调制比受调制周期限制的问题。分析五相永磁同步电机四维电流控制策略,以两种双频矢量结合方式进行仿真,对不同相差下的调制比进行深入分析,并给出调制比的详细分布,验证了双频矢量调制方式对调制比的提升作用。最后通过实验验证双频矢量调制方式的正确性和可行性,验证了基于双频矢量调制的四维电流控制对谐波电流抑制及死区补偿的有效性。
In the five-phase permanent magnetic synchronous motor(FPMSM) drive system, because of the nonlinearity of multi-phase motor and the dead-time effect, the traditional two-dimensional current control by dual-frequent vector modulation method based on space vector pulse width modulation(DFV-SVPWM) cannot reduce the harmonic current of the harmonic subspace. In order to get less harmonic current, four-dimensional current control was required, which can not only achieve suppression of harmonic current but also increase torque output. For the bi-plane voltage modulation method, a DFV-SVPWM including two combination method(M1 and M2) was proposed, which can solve the problems about double plane modulation which are the asymmetric PWM and the limited modulation indexes. Through the simulation, the four-dimensional field oriented control(FOC) current control strategy based on DFV-SVPWM of FPMSM was analyzed. The modulation indexes of different phase were in depth analized. And the detailed distribution of the modulation index was given to verify the improvement of DFV-SVPWM. The experimental results verified the correctness and feasibility of the proposed algorithm. And the the effectiveness of the four dimensional current control based on DFV-SVPWM for harmonic current suppression and dead-time compensation was proved.
In the five-phase permanent magnetic synchronous motor(FPMSM) drive system, because of the nonlinearity of multi-phase motor and the dead-time effect, the traditional two-dimensional current control by dual-frequent vector modulation method based on space vector pulse width modulation(DFV-SVPWM) cannot reduce the harmonic current of the harmonic subspace. In order to get less harmonic current, four-dimensional current control was required, which can not only achieve suppression of harmonic current but also increase torque output. For the bi-plane voltage modulation method, a DFV-SVPWM including two combination method(M1 and M2) was proposed, which can solve the problems about double plane modulation which are the asymmetric PWM and the limited modulation indexes. Through the simulation, the four-dimensional field oriented control(FOC) current control strategy based on DFV-SVPWM of FPMSM was analyzed. The modulation indexes of different phase were in depth analized. And the detailed distribution of the modulation index was given to verify the improvement of DFV-SVPWM. The experimental results verified the correctness and feasibility of the proposed algorithm. And the the effectiveness of the four dimensional current control based on DFV-SVPWM for harmonic current suppression and dead-time compensation was proved.
引文
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[15]Zhou Changpan,Yang Guijie,Su Jianyong.PWM strategy with minimum harmonic distortion for dual three-phase permanent-magnet synchronous motor drives operating in the overmodulation region[J].IEEE Transactions on Power Electronics,2016,31(2):1367-1380.
[16]孙国栋,苏健勇,杨贵杰,等.五相电压源逆变器最近四矢量最小谐波电压调制方法[J].中国电机工程学报,2017,37(19):5730-5740,5850.Sun Guodong,Su Jianyong,Yang Guijie,et al.Minimum harmonic voltage modulation method of near four vector for five,phase voltage source inverter[J].Proceedings of the CSEE,2017,37(19):5730-5740,5850(in Chinese).
[17]陆海峰,翟文龙,张磊,等.基于调制函数的SVPWM算法[J].电工技术学报,2008,23(2):37-43.Lu Haifeng,Qu Wenlong,Zhang Lei,et al.SVPWMalgorithm based on modulation functions[J].Transactions of China Electrotechnical Society,2008,23(2):37-43(in Chinese).
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[19]Chen Kengyuan,Jiang P S.Analysis of five-phase voltage source inverter with dual frequency modulator[J].IETPower Electronics,2016,9(7):1474-1486.
[20]周长攀,苏健勇,杨贵杰,等.基于双零序电压注入PWM策略的双三相永磁同步电机矢量控制[J].中国电机工程学报,2015,35(10):2522-2533.Zhou Changpan,Su Jianyong,Yang Guijie,et al.Vector control of dual three-phase PMSM based on double zero-sequence voltage injection PWM strategy[J].Proceedings of the CSEE,2015,37(10):2522-2533(in Chinese).
[21]薛诚,宋文胜,冯晓云.双重d-q空间下五相电压源逆变器空间矢量脉宽调制死区效应分析与补偿[J].中国电机工程学报,2017,37(9):2667-2677.Xue Cheng,Song Wensheng,Feng Xiaoyun.Analysis and compensation of dead-time effects in five-phase voltage source inverters with space vector PWM techniques based on dual d-q space concept[J].Proceedings of the CSEE,2017,37(9):2667-2677(in Chinese).
[22]朱琳,卜飞飞,黄文新,等.五相逆变器的非正弦双随机空间矢量脉宽调制策略[J].电工技术学报,2018,33(20):4824-4833.Zhu Lin,Pu Feifei,Huang Wenxin,et al.Non-sinusoidal dual random space vector pulse width modulation strategy for five-phase inverter[J].Transactions of China Electrotechnical Society,2018,33(20):4824-4833(in Chinese).
[2]Jin Lebing,Norrga S,Zhang Hui,et al.Evaluation of a multiphase drive system in EV and HEV applications[C]//2015 IEEE International Electric Machines&Drives Conference.Coeur d'Alene,ID,USA:IEEE,2015.
[3]孟超,欧阳红林,刘伟候,等.双Y移30?永磁同步电机的空间矢量调制[J].中国电机工程学报,2010,30(3):90-98.Meng Chao,Ouyang Honglin,Liu Weihou,et al.Space-vector PWM techniques for dual Y shift 30?permanent-magnet synchronous motor[J].Proceedings of the CSEE,2010,30(3):90-98(in Chinese).
[4]Subotic I,Bodo N,Levi E,et al.Overview of fast on-board integrated battery chargers for electric vehicles based on multiphase machines and power electronics[J].IET Electric Power Applications,2016,10(3):217-229.
[5]Schofield N,Niu Xin,Beik O.Multiphase machines for electric vehicle traction[C]//2014 IEEE Transportation Electrification Conference and Expo.Dearborn,MI,USA:IEEE,2014:1-6.
[6]杨金波,杨贵杰,李铁才.六相电压源逆变器PWM算法[J].电工技术学报,2012,27(7):205-211(本条文献与第7条文献重复,请核对).Yang Jinbo,Yang Guijie,Li Tiecai.PWM techniques for six-phase voltage-source inverters[J].Transactions of China Electrotechnical Society,2012,27(7):205-211(in Chinese).
[7]高宏伟,杨贵杰,刘剑.三次谐波注入式五相永磁同步电机矢量控制策略[J].中国电机工程学报,2014,34(24):4101-4108.Gao Hongwei,Yang Guijie,Liu Jian.A vector control strategy for five-phase PMSM with third harmonic injection[J].Proceedings of the CSEE,2014,34(24):4101-4108(in Chinese).
[8]朱鹏,张晓锋,乔鸣忠,等.基于双平面同步旋转变换的五相感应电机气隙磁场间接矢量控制[J].中国电机工程学报,2013,33(27):112-119.Zhu Peng,Zhang Xiaofeng,Qiao Mingzhong,et al.Indirect vector control for air-gap magnetic field of five-phase induction motor through dual-plane synchronized rotation transformation[J].Proceedings of the CSEE,2013,33(27):112-119(in Chinese).
[9]高宏伟,杨贵杰,刘剑.五相电压源逆变器的空间矢量脉宽调制方法研究[J].中国电机工程学报,2014,34(18):2917-2925.Gao Hongwei,Yang Guijie,Liu Jian.Research of space vector PWM techniques for five-phase voltage source inverter[J].Proceedings of the CSEE,2014,34(18):2917-2925(in Chinese).
[10]于飞,张晓锋,李槐树,等.五相逆变器的空间矢量PWM控制[J].中国电机工程学报,2005,25(9):40-46.Yu Fei,Zhang Xiaofeng,Li Huaishu,et al.Space vector PWM control of five-phase inverter[J].Proceedings of the CSEE,2005,25(9):40-46(in Chinese).
[11]Gu Z Y,Wang K,Zhu Z Q,et al.Torque improvement utilizing third harmonic current in five-phase PMmachines with unequal tooth[C]//2016 IEEE Vehicle Power and Propulsion Conference.Hangzhou,China:IEEE,2016:1-5.
[12]陈益广,李俊男,邢立功.改进的五相电压源逆变器SVPWM算法[J].电力系统及其自动化学报,2014,26(9):53-58.Chen Yiguang,LI Junnan,XING Ligong.Improved SVPWM algorithm for five-phase voltage source inverter[J].Proceedings of the CSU-EPSA,2014,26(9):53-58(in Chinese).
[13]Stumpf P,Halász S.Optimization of PWM for overmodulation region of two-level inverters[C]//2016IEEE International Power Electronics and Motion Control Conference.Varna,Bulgaria:IEEE,2016:174-179.
[14]Durán M J,Prieto J,Barrero F.Space vector PWM with reduced common-mode voltage for five-phase induction motor drives operating in overmodulation zone[J].IEEETransactions on Power Electronics,2013,28(8):4030-4040.
[15]Zhou Changpan,Yang Guijie,Su Jianyong.PWM strategy with minimum harmonic distortion for dual three-phase permanent-magnet synchronous motor drives operating in the overmodulation region[J].IEEE Transactions on Power Electronics,2016,31(2):1367-1380.
[16]孙国栋,苏健勇,杨贵杰,等.五相电压源逆变器最近四矢量最小谐波电压调制方法[J].中国电机工程学报,2017,37(19):5730-5740,5850.Sun Guodong,Su Jianyong,Yang Guijie,et al.Minimum harmonic voltage modulation method of near four vector for five,phase voltage source inverter[J].Proceedings of the CSEE,2017,37(19):5730-5740,5850(in Chinese).
[17]陆海峰,翟文龙,张磊,等.基于调制函数的SVPWM算法[J].电工技术学报,2008,23(2):37-43.Lu Haifeng,Qu Wenlong,Zhang Lei,et al.SVPWMalgorithm based on modulation functions[J].Transactions of China Electrotechnical Society,2008,23(2):37-43(in Chinese).
[18]于飞,张晓峰,乔鸣忠.基于零序信号注入的载波型多相PWM控制技术[J].电工技术学报,2009,24(2):127-132.Yu Fei,Zhang Xiaofeng,Qiao Mingzhong.Multi-phase carrier PWM control technology based on zero-sequence signal injection[J].Transactions of China Electrotechnical Society,2009,24(2):127-132(in Chinese).
[19]Chen Kengyuan,Jiang P S.Analysis of five-phase voltage source inverter with dual frequency modulator[J].IETPower Electronics,2016,9(7):1474-1486.
[20]周长攀,苏健勇,杨贵杰,等.基于双零序电压注入PWM策略的双三相永磁同步电机矢量控制[J].中国电机工程学报,2015,35(10):2522-2533.Zhou Changpan,Su Jianyong,Yang Guijie,et al.Vector control of dual three-phase PMSM based on double zero-sequence voltage injection PWM strategy[J].Proceedings of the CSEE,2015,37(10):2522-2533(in Chinese).
[21]薛诚,宋文胜,冯晓云.双重d-q空间下五相电压源逆变器空间矢量脉宽调制死区效应分析与补偿[J].中国电机工程学报,2017,37(9):2667-2677.Xue Cheng,Song Wensheng,Feng Xiaoyun.Analysis and compensation of dead-time effects in five-phase voltage source inverters with space vector PWM techniques based on dual d-q space concept[J].Proceedings of the CSEE,2017,37(9):2667-2677(in Chinese).
[22]朱琳,卜飞飞,黄文新,等.五相逆变器的非正弦双随机空间矢量脉宽调制策略[J].电工技术学报,2018,33(20):4824-4833.Zhu Lin,Pu Feifei,Huang Wenxin,et al.Non-sinusoidal dual random space vector pulse width modulation strategy for five-phase inverter[J].Transactions of China Electrotechnical Society,2018,33(20):4824-4833(in Chinese).