电工技术学报  2018, Vol. 33 Issue (8): 1685-1695    DOI: 10.19595/j.cnki.1000-6753.tces.162009
电工理论 |
基于T-Π复合谐振网络的恒压型电场耦合无线电能传输系统
苏玉刚1,2, 谢诗云2, 唐春森2, 陈龙2, 吴学颖2
1. 输配电装备及系统安全与新技术国家重点实验室(重庆大学) 重庆 400030;
2. 重庆大学自动化学院 重庆 400030
An Electric-Field Coupled Power Transfer System with Constant Voltage Output Based on T-Π Mixed Resonant Circuit
Su Yugang1,2, Xie Shiyun2, Tang Chunsen2, Chen Long2, Wu Xueying2
1. State Key Laboratory of Power Transmission Equipment & System Security and New Technology Chongqing University Chongqing 400030 China;;
2. Automation College Chongqing University Chongqing 400030 China
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摘要 电场耦合无线电能传输(ECPT)技术是一种以高频电场作为能量介质的无线电能传输方式。在实际应用中,相当一部分用电设备要求工作电压不随其负载的变化而发生大的改变。针对这种需求,分析对比现有的恒压型ECPT系统的特性,提出一种T-Π复合谐振网络。该拓扑利用自身的传输特性来实现输出电压不随负载的变化而改变,无需额外设置检测与调节电路。同时,还能保证系统始终工作于零相角(ZPA)状态。另外,为了确保系统具有较低的总谐波畸变率、参数敏感性以及足够大的负载可变范围,研究采用不同参数配置方法的T-LCL谐振网络的恒流特性与Π-CLC谐振网络的恒压特性,并在此基础上给出谐振网络的配置方法以及系统主要参数的设计方法。最后通过仿真与实验验证了所提出系统的传输特性以及参数设计方法的正确性。
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苏玉刚
谢诗云
唐春森
陈龙
吴学颖
关键词 无线电能传输电场耦合恒压输出谐振网络    
Abstract:Electric-field coupled power transfer (ECPT) systems employ high frequency electric field as energy medium to transfer power wirelessly. In practical applications, a lot of electrical equipment requires a constant input voltage for stable operation. An ECPT system with a constant output voltage based on a T-Π mixed resonant circuit is proposed in this paper. The system output voltage is kept at constant regardless of variations in the load resistance without any extra detecting or regulating circuits. Meanwhile, a zero-phase-angel state can be maintained all the time. The constant-current characteristic in T-LCL circuit and constant-voltage characteristic in Π-CLC are analyzed. Moreover, the total harmonic distortion of the system, the parameter sensitivity and allowable load variation are investigated. On this basis, a configure approach for the resonant circuits and a parameter design method for the system are presented. Finally, the transfer characteristics and the design method were validated by simulations and experiments.
Key wordsWireless power transfer (WPT)    electric field coupling    constant voltage output    resonant circuit   
收稿日期: 2016-12-27      出版日期: 2018-04-24
PACS: TM724  
基金资助:国家自然科学基金(51477020、61573074)和重庆市国际科技合作基地(CSTC2015GJHZ40001)资助项目
通讯作者: 苏玉刚 男,1962年生,博士,教授,研究方向为无线电能传输技术、电能变换与控制技术、控制理论应用与自动化系统集成。E-mail: su7558@qq.com   
作者简介: 谢诗云 男,1987年生,博士研究生,研究方向为无线电能传输技术。E-mail: 464442409@qq.com
引用本文:   
苏玉刚, 谢诗云, 唐春森, 陈龙, 吴学颖. 基于T-Π复合谐振网络的恒压型电场耦合无线电能传输系统[J]. 电工技术学报, 2018, 33(8): 1685-1695. Su Yugang, Xie Shiyun, Tang Chunsen, Chen Long, Wu Xueying. An Electric-Field Coupled Power Transfer System with Constant Voltage Output Based on T-Π Mixed Resonant Circuit. Transactions of China Electrotechnical Society, 2018, 33(8): 1685-1695.
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https://dgjsxb.ces-transaction.com/CN/10.19595/j.cnki.1000-6753.tces.162009          https://dgjsxb.ces-transaction.com/CN/Y2018/V33/I8/1685