T型三电平单相逆变器有限开关状态模型预测控制方法
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摘要
针对单相逆变器的特点,提出一种基于T型三电平单相逆变器有限开关状态模型预测控制方法。在静止坐标系下建立T型三电平单相逆变器基于期望电压矢量的预测模型,大大减少有限开关状态模型预测控制中预测模型的计算量。在目标函数中构造电流跟踪和T型三电平中性点电压平衡目标项,实现给定电流快速、精确跟踪以及中性点电压平衡控制。最后,建立起基于T型三电平单相逆变器实验平台,对所提的有限开关状态模型预测控制进行测试。实验结果表明:所提出模型预测方法使系统具有良好的静、动态性能。
For the characteristic of a single-phase inverter,a finite switching state model predictive control( FSS-MPC) based on T-type single-phase inverters is proposed in this paper. The predictive model was established based on expected voltage vectors for T-type three-level single-phase inverters in the stationary coordinate reference,which greatly reduced the calculation burden for the predictive model of the FSSMPC. The target items of current tracking and T-type three-level neutral-point voltage balancing are constructed in the cost function,which can achieve rapid given currents,accurate tracking and balancing neutral-point voltage. Finally,a T-type three-level single-phase inverter experimental platform was established. The steady-state and dynamic experiments were carried out for the proposed FSS-MPC. The experimental results show that the proposed MPC algorithm has good steady-state and dynamic performance.
For the characteristic of a single-phase inverter,a finite switching state model predictive control( FSS-MPC) based on T-type single-phase inverters is proposed in this paper. The predictive model was established based on expected voltage vectors for T-type three-level single-phase inverters in the stationary coordinate reference,which greatly reduced the calculation burden for the predictive model of the FSSMPC. The target items of current tracking and T-type three-level neutral-point voltage balancing are constructed in the cost function,which can achieve rapid given currents,accurate tracking and balancing neutral-point voltage. Finally,a T-type three-level single-phase inverter experimental platform was established. The steady-state and dynamic experiments were carried out for the proposed FSS-MPC. The experimental results show that the proposed MPC algorithm has good steady-state and dynamic performance.
引文
[1]Karimi-Ghartemani M.Universal integrated synchronization and control for single-phase DC/AC converters[J].IEEE Transactions on Power Electronics,2015,30(3):1544.
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[18]YARAMASU V,RIVERA M,WU B,et al.Model predictive current control of two-level four-leg inverters-Part I:Concept,algorithm and simulation analysis[J].IEEE Transactions on Power Electronics,2013,28(7):3459.
[19]RIVARA M,YARAMASU V,Rodriguez J,et al.Model predictive current control of two-level four-leg inverters-Part II:Experimental implementation and validation[J].IEEE Trans on Power Electronics,2013,28(7):3469.
[20]YARAMASU V,WU B.A model predictive decoupled active and reactive power control for high power grid-connected four-level diode clamped inverters[J].IEEE Transactions on Industrial E-lectronics,2014,61(7):3407.
[21]YARAMASU V,WU B,and CHEN J.Model predictive control of grid-tied four-level diode-clamped inverters for high power wind energy conversion systems[J].IEEE Transactions on Power Electronics,2014,29(6):2861.
[22]CHEE S L,NASRUDIN A R,PING W.Model predictive control of a two-motor drive with five leg inverter supply[J].IEEETransactions on Industrial Electronics,2013,60(1):54.
[23]SCHWEIZER M,KOLAR J W.Design and implementation of a highly efficient three-level t-type converter for low-voltage applications[J].IEEE Transactions on Power Electronics,2013,28(2):899.
[2]He J,Li Y W.Hybrid voltage and current control approach for DGgrid interfacing converters with LCL filters[J].IEEE Transactions on Industrial Electronics,2013,60(5):1797.
[3]张犁,孙凯,冯兰兰,等.非隔离全桥并网逆变器并联运行系统[J].电工技术学报,2012,27(8):21.ZHANG Li,SUN Kai,FENG Lanlan,et al.Parallel operation of non-isolated full bridge inverters in grid-connected system[J].Transactions of China Electrotechnical Society,2012,27(8):21.
[4]杨勇,阮毅,叶斌英.基于锁相环和虚拟电网磁链的三相并网逆变器[J].电工技术学报,2010,25(4):109.YANG Yong,RUAN Yi,YE Binying.Three-phase grid-connected inverters based on PLL and virtual grid flux[J].Transactions of China Electrotechnical Society,2010,25(4):109.
[5]CASTILLA M,MIRET J,MATAS J,et al.Control design guidelines for single-phase grid-connected photovoltaic inverters with damped resonant harmonic compensators[J].IEEE Transactions on Power Electronics,2009,56(11):4492-4501.
[6]CHEN D,ZHANG J,QIAN Z.An improved repetitive control scheme for grid-connected inverter with frequency-adaptive capability[J].IEEE Transactions on Industrial Electronics,2013,60(2):814.
[7]TRINH Q,LEE H.An enhanced grid current compensator for grid connected distributed generation under nonlinear loads and grid voltage distortions[J].IEEE Transactions on Industrial Electronics,2014,61(12):6528.
[8]顾和荣,杨子龙,邬伟扬.并网逆变器输出电流滞环跟踪控制技术研究[J].中国电机工程学报,2006,26(9):108.GU Herong,YANG Zilong,WU Weiyang.Research on hysteresisband current tracking control of grid-connected inverter[J].Proceedings of the CSEE,2006,26(9):108.
[9]杨兴武,姜建国.电压型PWM整流器预测直接功率控制[J].中国电机工程学报,2011,31(3):34.YANG Xingwu,JIANG Jianguo.Predictive Direct Power Control for Three-phase Voltage Source PWM Rectifiers[J].Proceedings of the CSEE,2011,31(3):34.
[10]RODRIGUEZ J,KAZMIERKOWSKI M P,ESPINOZA J R,et al.State of the art of finite control set model predictive control in power electronics[J].IEEE Transactions on Industrial Informatics,2013,9(2):1003.
[11]LIM C S,LEVI E,JONES M,et al.A comparative study of synchronous current control schemes based on FCS-MPC andPI-PWMfor a two-motor three-phase drive[J].IEEE Transactions on Industrial Informatics,2014,61(8):3867.
[12]VAZQUEZ S.Model predictive control:A review of its applications in power electronics[J].IEEE Transactions on Industrial Electronic Magazines,2014,8(1):16.
[13]RODRIGUEZ J,PONTT J,SILVA C A,et al.Predictive current control of a voltage source inverter[J].IEEE Transactions on Industrial Electronics,2007,54(1):495.
[14]RODRIGUEZ J,KENNEL R M,ESPINOZA J R,et al.High-Performance control strategies for electrical drives:an experimental assessment[J].IEEE Transactions on Industrial Electronics,2012,59(2):812.
[15]KOURO S,CORTES P,VARGAS R,et al.Model predictive control-a simple and powerful method to control power converters[J].IEEE Transactions on Industrial Electronics,2009,56(6):1826.
[16]沈坤,章兢,王坚.一种多步预测的变流器有限控制集模型预测控制算法[J].中国电机工程学报,2012:32(33):37.SHEN Kun,ZHANG Jing,WANG Jian.A model predictive control scheme of multi-step prediction finite control set for converters[J].Proceedings of the CSEE,2012,32(33):37.
[17]VARGAS R,CORTES P,AMMANN U.Predictive control of a three-phase neutral point clamped inverter[J].IEEE Transactions on Industrial Electronics,2007,54(5):2697.
[18]YARAMASU V,RIVERA M,WU B,et al.Model predictive current control of two-level four-leg inverters-Part I:Concept,algorithm and simulation analysis[J].IEEE Transactions on Power Electronics,2013,28(7):3459.
[19]RIVARA M,YARAMASU V,Rodriguez J,et al.Model predictive current control of two-level four-leg inverters-Part II:Experimental implementation and validation[J].IEEE Trans on Power Electronics,2013,28(7):3469.
[20]YARAMASU V,WU B.A model predictive decoupled active and reactive power control for high power grid-connected four-level diode clamped inverters[J].IEEE Transactions on Industrial E-lectronics,2014,61(7):3407.
[21]YARAMASU V,WU B,and CHEN J.Model predictive control of grid-tied four-level diode-clamped inverters for high power wind energy conversion systems[J].IEEE Transactions on Power Electronics,2014,29(6):2861.
[22]CHEE S L,NASRUDIN A R,PING W.Model predictive control of a two-motor drive with five leg inverter supply[J].IEEETransactions on Industrial Electronics,2013,60(1):54.
[23]SCHWEIZER M,KOLAR J W.Design and implementation of a highly efficient three-level t-type converter for low-voltage applications[J].IEEE Transactions on Power Electronics,2013,28(2):899.