Abstract：A phasor control method is employed in this paper to eliminate the circulating current caused by the parallel connected high frequency inverters.The topology of the parallel dual-inverter LCCL-based inductive power transfer (IPT) system and the cause of circulating current are analyzed in detail.Secondly, the virtual active/reactive power based on the current of the primary coil are calculated without using the phase-locked loop, the relationship between the goal of the phasor control and the virtual active/reactive power is analyzed, and then the circulating current eliminating approach is provided.The performance of the proposed approach is evaluated by the experimentation of two parallel connected high frequency inverters with 1.4 kW maximum transmission power and overall 89.82% DC-DC transmission efficiency.The experimental results demonstrate that the circulating current between the parallel connected inverters is dramatically reduced by the proposed algorithm.
麦瑞坤,陆立文,李勇. 两逆变器并联IPT系统的环流消除方法研究[J]. 电工技术学报, 2016, 31(3): 8-15.
Mai Ruikun, Lu Liwen, Li Yong. Circulating Current Elimination of Parallel Dual-inverter for IPT Systems. Transactions of China Electrotechnical Society, 2016, 31(3): 8-15.
[1] 孙跃,王智慧,戴欣,等.非接触电能传输系统的频率稳定性研究[J].电工技术学报,2005,20(11):56-59. Sun Yue,Wang Zhihui,Dai Xin,et al.Study of frequency stability of contactless power transmission system[J].Transactions of China Electrotechnical Society,2005,20(11):56-59. [2] 苏玉刚,唐春森,孙跃,等.非接触供电系统多负载自适应技术[J].电工技术学报,2009,24(1):153-157. Su Yugang,Tang Chunsen,Sun Yue,et al.Load adaptive technology of contactless power transfer system[J].Transactions of China Electrotechnical Society,2009,24(1):153-157. [3] 何正友,李勇,麦瑞坤,等.考虑阻感性负载IPT系统的动态补偿技术[J].西南交通大学学报,2014,49(4):569-575. He Zhengyou,Li Yong,Mai Ruikun,et al.Dynamic compensation strategy of inductive power transfer system with inductive-resistive load[J].Journal of Southwest Jiaotong University,2014,49(4):569-575. [4] 李阳,杨庆新,闫卓,等.无线电能有效传输距离及其影响因素分析[J].电工技术学报,2013,28(1):106-112. Li Yang,Yang Qingxin,Yan Zhuo,et al.Analysis on effective range of wireless power transfer and its impact factors[J].Transactions of China Electrotechnical Society,2013,28(1):106-112. [5] 赵争鸣,张艺明,陈凯楠.磁耦合谐振式无线电能传输技术新进展[J].中国电机工程学报,2014,33(3):1-13. Zhao Zhengming,Zhang Yiming,Chen Kainan.New progress of magnetically-coupled resonant wireless power transfer technology[J].Proceedings of the CSEE,2014,33(3):1-13. [6] 范兴明,莫小勇,张鑫.磁耦合谐振无线电能传输的研究现状及应用[J].电工技术学报,2013,28(12):75-82. Fan Xingming,Mo Xiaoyong,Zhang Xin.Research status and application of wireless power transfer via coupled magnetic resonances[J].Transactions of China Electrotechnical Society,2013,28(12):75-82. [7] 黄学良,谭林林,陈中,等.无线电能传输技术研究与应用综述[J].电工技术学报,2013,28(10):1-11. Huang Xueliang,Tan Linlin,Chen Zhong,et al.Review and research progress on wireless power transfer technology[J].Transactions of China Electrotechnical Society,2013,28(10):1-11. [8] 麦瑞坤,陆立文,李勇,等.一种采用最小电压与最大电流跟踪的IPT系统动态调谐方法[J].电工技术学报,2015,30(19):32-38. Mai Ruikun,Lu Liwen,Li Yong,et al.Dynamic resonant compensation approach based on minimum voltage and maximum current tracking for IPT system[J].Transactions of China Electrotechnical Society,2015,30(19):32-38. [9] 李勇,麦瑞坤,马林森,等.一种双初级线圈并绕的感应电能传输系统及其功率分配方法[J].中国电机工程学报,2014,35(17):4454-4460. Li Yong,Mai Ruikun,Ma Linsen,et al.Dual parallel wound primary coils based IPT systems and its power allocation technique[J].Proceedings of the CSEE,2014,35(17):4454-4460. [10]Chopra S,Bauer P.Driving range extension of EV with on-road contactless power transfer—a case study[J].IEEE Transactions on Industrial Electronics,2013,60(1):329-338. [11]Huh Jin,Lee Sungwoo,Park Changbyung,et al.high performance inductive power transfer system with narrow rail width for on-line electric vehicles[C]//2010 IEEE Energy Conversion Congress and Exposition,Atlanta,GA,2010:647-651. [12]Covic G A,Boys J T.Modern trends in inductive power transfer for transportation applications[J].IEEE Journal of Emerging and Selected Topics in Power Electronics,2013,1(1):28-41. [13]张献,杨庆新,崔玉龙,等.大功率无线电能传输系统能量发射线圈设计、优化与验证[J].电工技术学报,2013,28(10):12-18. Zhang Xian,Yang Qingxin,Cui Yulong,et al.Design optimization and verification on the power transmitting coil in the high-power wireless power transmission system[J].Transactions of China Electrotechnical Society,2013,28(10):12-18. [14]李勇,麦瑞坤,陆立文,等.一种采用级联型多电平技术的IPT系统谐波消除与功率调节方法[J].中国电机工程学报,2015,35(20):5278-5285. Li Yong,Mai Ruikun,Lu Liwen,et al.A harmonic elimination and power regulation approach of a cascaded multilevel technology in IPT systems[J].Proceedings of the CSEE,2015,35(20):5278-5285. [15]Hao Hao,Covic G,Kissin M,et al.A parallel topology for inductive power transfer power supplies[J].IEEE Applied Power Electronics Conference & Exposition,2011,29(3):2027-2034. [16]Ye Zhongming,Jain P K,Sen P C.Circulating current minimization in high-frequency AC power distribution architecture with multiple inverter modules operated in parallel[J].IEEE Transactions on Industrial Electronics,2007,54(5):2673-2687. [17]Boys J T,Covic G A,Green A W.Stability and control of inductively coupled power transfer systems[J].IEE Proceedings-Electric Power Applications,2000,147(1):37-43. [18]马俊鹏,宋文胜,冯晓云.单相三电平脉冲整流器无锁相环直接功率控制[J].中国电机工程学报,2015,35(7):1723-1731. Ma Junpeng,Song Wensheng,Feng Xiaoyun.Direct power control of single-phase three-level rectifiers without phase locked loop[J].Proceedings of the CSEE,2015,35(7):1723-1731. [19]Hu Aiguo Patrick.Selected resonant converters for IPT power supplies[D].Auckland:University of Auckland,2001. [20]蔡华,史黎明,李耀华.感应耦合电能传输系统输出功率调节方法[J].电工技术学报,2014,29(1):215-220. Cai Hua,Shi Liming,Li Yaohua.Output power adjustment in inductively coupled power transfer system[J].Transactions of China Electrotechnical Society,2014,29(1):215-220. [21]Dieckerhoff S,Ruan M J,De Doncker R W.Design of an IGBT-based LCL-resonant inverter for high-frequency induction heating[C]//Conference Record of the 1999 IEEE Industry Applications Conference,Phoenix,AZ,1999,3:2039-2045. [22]Schonknecht A,De Doncker R W.Novel topology for parallel connection of soft switching,high power,high frequency inverters[C]//Conference Record of the 2001 IEEE Industry Applications Conference,Chicago,IL,USA,2001,3:1447-1482.
2016, Vol. 31 
