基于双激励双拾取的无线电能传输系统
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摘要
传统的无线电能传输系统(WPT)多由单个激励线圈与单个拾取线圈组成,由于系统的耦合机构多为松散的耦合形式,且受到功率器件容量的限制,因此难以获得较大的传输功率。为了提高WPT系统的传输功率,该文构建了双激励双拾取线圈的无线电能传输系统,在原WPT系统的基础上,增加了一组激励线圈和一组拾取线圈,利用耦合理论和电路原理的相关知识对该系统进行分析。通过Matlab仿真及实验验证了该方案的可靠性和有效性,并在负载为5Ω时,双激励双拾取线圈的WPT系统相比较于WPT系统,其功率提升了3.1倍,效率提高了9%。
The traditional wireless power transfer(WPT) system usually comprises single primary coil and single pick-up coil, which is difficult to obtain larger transmission power due to its loosely-coupled structure and capacity limitation of the power device. In order to improve the transmission power of WPT system, this paper builds a WPT system with double primary coils and double pick-up coils. Based on the original WPT system(single primary coil and single pick-up coil), a pair of primary coil and pick-up coil are added, the system is analyzed by using the knowledge of coupling theory and circuit principle, and then the reliability and validity of the proposed strategy are validated through the Matlab simulations and experiments. Finally, the conclusion is drawn that when the load is 5 Ω, the transmission power of the WPT system with double primary and double pickup coil increases by 3.1 times and the efficiency increases by 9%, compared with the WPT system with single primary coil and single pick-up coil.
The traditional wireless power transfer(WPT) system usually comprises single primary coil and single pick-up coil, which is difficult to obtain larger transmission power due to its loosely-coupled structure and capacity limitation of the power device. In order to improve the transmission power of WPT system, this paper builds a WPT system with double primary coils and double pick-up coils. Based on the original WPT system(single primary coil and single pick-up coil), a pair of primary coil and pick-up coil are added, the system is analyzed by using the knowledge of coupling theory and circuit principle, and then the reliability and validity of the proposed strategy are validated through the Matlab simulations and experiments. Finally, the conclusion is drawn that when the load is 5 Ω, the transmission power of the WPT system with double primary and double pickup coil increases by 3.1 times and the efficiency increases by 9%, compared with the WPT system with single primary coil and single pick-up coil.
引文
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[12]CHOI S Y,GU B W,JEONG S Y,et al.Advances in wireless power transfer systems for roadway-powered electric vehicles[J].IEEE Journal of Emerging and Selected Topics in Power Electronics,2015,3(1):18-36.
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[14]COVIC G A,BOYS J T.Modern trends in inductive power transfer for transportation applications[J].IEEEJournal of Emerging and Selected Topics in Power Electronics,2013,1(1):28-41.
[15]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.
[16]麦瑞坤,马林森,何正友.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,2015,35(17):4454-4460.MAI Rui-kun,MA Lin-sen,He Zheng-you.Dual parallel wound primary coils based IPT systems and its power allocation technique[J].Proceedings of the CSEE,2015,35(17):4454-4460.
[17]麦瑞坤,马林森.基于双拾取线圈的感应电能传输系统研究[J].中国电机工程学报,2016,36(19):5192-5199.MAI Rui-kun,MA Lin-sen.Research on inductive power transfer systems with dual pick-up coils[J].Proceedings of the CSEE,2016,36(19):5192-5199.
[18]景无为,黄学良,陈琛,等.多组无线电能传输系统间效率影响因素分析[J].电工技术学报,2015,30(14):457-462.JING Wu-wei,HUANG Xue-liang,CHEN Chen,et al.Study on impacts among wireless power transmission multi-system[J].Transactions of China Electrotechnical Society,2015,30(14):457-462.
[2]苏玉刚,王智慧,孙跃,等.非接触供电移相控制系统建模研究[J].电工技术学报,2008,23(7):92-97.SU Yu-gang,WANG Zhi-hui,SUN Yue,et al.Modeling of contactless power transfer systems with a phase-shifted control method[J].Transactions of China Electrotechnical Society,2008,23(7):92-97.
[3]傅文珍,张波,丘东元,等.自谐振线圈耦合式电能无线传输的最大效率分析与设计[J].中国电机工程学报,2009,29(18):21-26.FU Wen-zhen,ZHANG Bo,QIU Dong-yuan,et al.Maximum efficiency analysis and design of self-resonance coupling coils for wireless power transmission system[J].Proceedings of the CSEE,2009,29(18):21-26.
[4]WANG C S,COVIC G A,STIELAU O H.Power transfer capability and bifurcation phenomena of loosely coupled inductive power transfer systems[J].IEEE Transactions on Industrial Electronics,2004,51(1):148-157.
[5]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 Li-ming,LI Ya-hua.Output power adjustment in inductively coupled power transfer system[J].Transactions of China Electrotechnical Society,2014,29(1):215-220.
[6]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,2013,33(3):1-13.ZHAO Zheng-ming,ZHANG Yi-ming,CHEN Kai-nan.New progress of magnetically-coupled resonant wireless power transfer technology[J].Proceedings of the CSEE,2013,33(3):1-13.
[7]周豪,姚钢,赵子玉,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,2013,33(33):9-16.ZHOU Hao,YAO Gang,ZHAO Zi-yu,et al.LCL resonant inductively coupled power transfer systems[J].Proceedings of the CSEE,2013,33(33):9-16.
[8]孙跃,赵志斌,王智慧,等.用于感应电能传输系统的新型软开关电路[J].电工技术学报,2013,28(8):128-134.SUN Yue,ZHAO Zhi-bin,WANG Zhi-hui,et al.A new circuit of soft-switching inductive power transfer system[J].Transactions of China Electrotechnical Society,2013,28(8):128-134.
[9]杨庆新,章鹏程,祝丽花,等.无线电能传输技术的关键基础与技术瓶颈问题[J].电工技术学报,2015,30(5):1-8.YANG Qing-xin,ZHANG Peng-cheng,ZHU Li-hua,et al.Key fundamental problems and technical bottlenecks of the wireless power transmission technology[J].Transactions of China Electrotechnical Society,2015,30(5):1-8.
[10]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 Xue-liang,TAN Lin-lin,CHEN Zhong,et al.Review and research progress on wireless power transfer technology[J].Transactions of China Electrotechnical Society,2013,28(10):1-11.
[11]范兴明,莫小勇,张鑫.无线电能传输技术的研究现状与应用[J].中国电机工程学报,2015,35(10):2584-2600.FAN Xing-ming,MO Xiao-yong,ZHANG Xin.Research status and application of wireless power transmission technology[J].Proceedings of the CSEE,2015,35(10):2584-2600.
[12]CHOI S Y,GU B W,JEONG S Y,et al.Advances in wireless power transfer systems for roadway-powered electric vehicles[J].IEEE Journal of Emerging and Selected Topics in Power Electronics,2015,3(1):18-36.
[13]KIM J H,LEE B S,LEE J H,et al.Development of1-MW inductive power transfer system for a high-speed train[J].IEEE Transactions on Industrial Electronics,2015,62(10):6242-6250.
[14]COVIC G A,BOYS J T.Modern trends in inductive power transfer for transportation applications[J].IEEEJournal of Emerging and Selected Topics in Power Electronics,2013,1(1):28-41.
[15]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.
[16]麦瑞坤,马林森,何正友.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,2015,35(17):4454-4460.MAI Rui-kun,MA Lin-sen,He Zheng-you.Dual parallel wound primary coils based IPT systems and its power allocation technique[J].Proceedings of the CSEE,2015,35(17):4454-4460.
[17]麦瑞坤,马林森.基于双拾取线圈的感应电能传输系统研究[J].中国电机工程学报,2016,36(19):5192-5199.MAI Rui-kun,MA Lin-sen.Research on inductive power transfer systems with dual pick-up coils[J].Proceedings of the CSEE,2016,36(19):5192-5199.
[18]景无为,黄学良,陈琛,等.多组无线电能传输系统间效率影响因素分析[J].电工技术学报,2015,30(14):457-462.JING Wu-wei,HUANG Xue-liang,CHEN Chen,et al.Study on impacts among wireless power transmission multi-system[J].Transactions of China Electrotechnical Society,2015,30(14):457-462.