可配置充电电流的变结构无线充电系统研究
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摘要
该文基于双LCL拓扑电路提出了在副边电路增加两个开关和一个附加电容的方法,实现单个逆变器对多个电动自行车充电,且不同充电电流的电动自行车可以共享充电桩,提高充电桩的使用率。通过切换开关和附加电容可改变谐振电路拓扑,实现恒流或恒压输出的相互转换。此外,该方法还具有以下明显优点:无需原副边通信和复杂的控制电路,系统复杂性低,几乎没有无功输入。为了验证该方法的有效性和可行性,该文搭建了充电电压48V、充电电流分别为2A和4A的实验原理样机,实验结果表明该方法满足上述要求且能够提高充电桩的使用率。
Based on the double LCL topology circuit, a multiple-electric-bicycle charging method with a single inverter is proposed to meet various charging requirements by adding two switches and an additional capacitor in the secondary circuit, so that a single charging stand can charge various charging-profile bicycles. Constant current or constant voltage output can be realized by switching the switches to change the topology of resonant tanks. Furthermore, this method has the following advantages: no communication link between primary and secondary circuits needed, low complicated control circuit and system complexity, nearly no reactive power required. In order to verify the effectiveness and feasibility of the method, this paper sets up two experimental prototypes with charge voltages 48 V and charge currents 2 A/4 A, respectively. The experimental results show that the method can meet the above requirements and improve the utilization rate of the charging stands.
Based on the double LCL topology circuit, a multiple-electric-bicycle charging method with a single inverter is proposed to meet various charging requirements by adding two switches and an additional capacitor in the secondary circuit, so that a single charging stand can charge various charging-profile bicycles. Constant current or constant voltage output can be realized by switching the switches to change the topology of resonant tanks. Furthermore, this method has the following advantages: no communication link between primary and secondary circuits needed, low complicated control circuit and system complexity, nearly no reactive power required. In order to verify the effectiveness and feasibility of the method, this paper sets up two experimental prototypes with charge voltages 48 V and charge currents 2 A/4 A, respectively. The experimental results show that the method can meet the above requirements and improve the utilization rate of the charging stands.
引文
[1]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 Xingming,Mo Xiaoyong,Zhang Xin.Research status and application of wireless power transmission technology[J].Proceedings of the CSEE,2015,35(10):2584-2600(in Chinese).
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[10]Mai Ruikun,Chen Yang,Li Yong,et al.Inductive power transfer for massive electric bicycles charging based on hybrid topology switching with a single inverter[J].IEEE Transactions on Power Electronics,2017,32(8):5897-5906.
[11]Buja G,Bertoluzzo M,Mude K N.Design and experimentation of WPT charger for electric city car[J].IEEE Transactions on Industrial Electronics,2015,62(12):7436-7447.
[12]Li Hongchang,Li Jie,Wang Kangping,et al.A maximum efficiency point tracking control scheme for wireless power transfer systems using magnetic resonant coupling[J].IEEE Transactions on Power Electronics,2015,30(7):3998-4008.
[13]Wang C S,Stielau O H,Covic G A.Design considerations for a contactless electric vehicle battery charger[J].IEEE Transactions on Industrial Electronics,2005,52(5):1308-1314.
[14]Vu V B,Doan V T,Pham V L,et al.A new method to implement the constant current-constant voltage charge of the inductive power transfer system for electric vehicle applications[C]//Proceedings of IEEE Conference and Expo Transportation Electrification Asia-Pacific(ITEC Asia-Pacific).Busan:IEEE,2016:449-453.
[15]Wu H H,Gilchrist A,Sealy K D,et al.A high efficiency5k W inductive charger for EVs using dual side control[J].IEEE Transactions on Industrial Informatics,2012,8(3):585-595.
[16]Boys J T,Covic G A,Xu Yongxiang.DC analysis technique for inductive power transfer pick-ups[J].IEEE Power Electronics Letters,2003,1(2):51-53.
[17]麦瑞坤,陈阳,张友源,等.基于变次级补偿参数的感应式无线充电系统研究[J].中国电机工程学报,2017,37(11):3263-3269.Mai Ruikun,Chen Yang,Zhang Youyuan,et al.Study on secondary compensation capacitor alteration based IPT charging system[J].Proceedings of the CSEE,2017,37(11):3263-3269(in Chinese).
[18]Qu Xiaohui,Han Hongdou,Wong S C,et al.Hybrid IPT topologies with constant current or constant voltage output for battery charging applications[J].IEEE Transactions on Power Electronics,2015,30(11):6329-6337.
[19]Hao Hao,Covic G A,Boys J T.A parallel topology for inductive power transfer power supplies[J].IEEE Transactions on Power Electronics,2014,29(3):1140-1151.
[20]Li Siqi,Liu Zhe,Zhao Han,et al.Wireless power transfer by electric field resonance and its application in dynamic charging[J].IEEE Transactions on Industrial Electronics,2016,63(10):6602-6612.
[2]张献,杨庆新,陈海燕,等.电磁耦合谐振式无线电能传输系统的建模、设计与实验验证[J].中国电机工程学报,2012,32(21):153-158.Zhang Xian,Yang Qingxin,Chen Haiyan,et al.Modeling and design and experimental verification of contactless power transmission systems via electromagnetic resonant coupling[J].Proceedings of the CSEE,2012,32(21):153-158(in Chinese).
[3]Li Yong,Mai Ruikun,Lu Liwen,et al.Active and reactive currents decomposition-based control of angle and magnitude of current for a parallel multiinverter IPT system[J].IEEE Transactions on Power Electronics,2017,32(2):1602-1614.
[4]麦瑞坤,李勇,何正友,等.无线电能传输技术及其在轨道交通中研究进展[J].西南交通大学学报,2016,51(3):446-461.Mai Ruikun,Li Yong,He Zhengyou,et al.Wireless power transfer technology and its research progress in rail transportation[J].Journal of Southwest Jiaotong University,2016,51(3):446-461(in Chinese).
[5]Sallan J,Villa J L,Llombart A,et al.Optimal design of ICPT systems applied to electric vehicle battery charge[J].IEEE Transactions on Industrial Electronics,2009,56(6):2140-2149.
[6]Jang Y,Jovanovi?M M.A contactless electrical energy transmission system for portable-telephone battery chargers[J].IEEE Transactions on Industrial Electronics,2003,50(3):520-527.
[7]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 Ruikun,Ma Linsen.Research on inductive power transfer systems with dual pick-up coils[J].Proceedings of the CSEE,2016,36(19):5192-5199(in Chinese).
[8]石臣鹏.电动自行车交通现状及对策分析[J].重庆交通大学学报:自然科学版,2008,27(5):772-775.Shi Chenpeng.Analysis on electric bicycles’current traffic situation and countermeasures[J].Journal of Chongqing Jiaotong University:Natural Science,2008,27(5):772-775(in Chinese).
[9]麦瑞坤,陈阳,刘野然.基于变补偿参数的IPT恒流恒压电池充电研究[J].中国电机工程学报,2016,36(21):5816-5821.Mai Ruikun,Chen Yang,Liu Yeran.Compensation capacitor alteration based IPT battery charging application with constant current and constant voltage control[J].Proceedings of the CSEE,2016,36(21):5816-5821(in Chinese).
[10]Mai Ruikun,Chen Yang,Li Yong,et al.Inductive power transfer for massive electric bicycles charging based on hybrid topology switching with a single inverter[J].IEEE Transactions on Power Electronics,2017,32(8):5897-5906.
[11]Buja G,Bertoluzzo M,Mude K N.Design and experimentation of WPT charger for electric city car[J].IEEE Transactions on Industrial Electronics,2015,62(12):7436-7447.
[12]Li Hongchang,Li Jie,Wang Kangping,et al.A maximum efficiency point tracking control scheme for wireless power transfer systems using magnetic resonant coupling[J].IEEE Transactions on Power Electronics,2015,30(7):3998-4008.
[13]Wang C S,Stielau O H,Covic G A.Design considerations for a contactless electric vehicle battery charger[J].IEEE Transactions on Industrial Electronics,2005,52(5):1308-1314.
[14]Vu V B,Doan V T,Pham V L,et al.A new method to implement the constant current-constant voltage charge of the inductive power transfer system for electric vehicle applications[C]//Proceedings of IEEE Conference and Expo Transportation Electrification Asia-Pacific(ITEC Asia-Pacific).Busan:IEEE,2016:449-453.
[15]Wu H H,Gilchrist A,Sealy K D,et al.A high efficiency5k W inductive charger for EVs using dual side control[J].IEEE Transactions on Industrial Informatics,2012,8(3):585-595.
[16]Boys J T,Covic G A,Xu Yongxiang.DC analysis technique for inductive power transfer pick-ups[J].IEEE Power Electronics Letters,2003,1(2):51-53.
[17]麦瑞坤,陈阳,张友源,等.基于变次级补偿参数的感应式无线充电系统研究[J].中国电机工程学报,2017,37(11):3263-3269.Mai Ruikun,Chen Yang,Zhang Youyuan,et al.Study on secondary compensation capacitor alteration based IPT charging system[J].Proceedings of the CSEE,2017,37(11):3263-3269(in Chinese).
[18]Qu Xiaohui,Han Hongdou,Wong S C,et al.Hybrid IPT topologies with constant current or constant voltage output for battery charging applications[J].IEEE Transactions on Power Electronics,2015,30(11):6329-6337.
[19]Hao Hao,Covic G A,Boys J T.A parallel topology for inductive power transfer power supplies[J].IEEE Transactions on Power Electronics,2014,29(3):1140-1151.
[20]Li Siqi,Liu Zhe,Zhao Han,et al.Wireless power transfer by electric field resonance and its application in dynamic charging[J].IEEE Transactions on Industrial Electronics,2016,63(10):6602-6612.