电工技术学报  2020, Vol. 35 Issue (2): 215-224    DOI: 10.19595/j.cnki.1000-6753.tces.181614
电工理论与新技术 |
无线电能传输系统共振机理及共振点分布特性研究
廖志娟1, 孙跃1,2, 叶兆虹1, 唐春森1, 葛学健1
1. 重庆大学自动化学院 重庆 400044;
2. 复杂系统安全与控制教育部重点实验室(重庆大学) 重庆 400044
Research on Resonance Mechanism and Resonant Point Distribution Characteristic of Magnetic Coupling Wireless Power Transfer Systems
Liao Zhijuan1, Sun Yue1,2, Ye Zhaohong1, Tang Chunsen1, Ge Xuejian1
1. College of Automation Chongqing University Chongqing 400044 China;
2. Key Laboratory of Complex System Safety and Control Ministry of Education Chongqing University Chongqing 400044 China
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摘要 针对磁耦合无线电能传输(MC-WPT)系统各电参数对系统共振点的分布影响问题,综合考虑MC-WPT系统中所有电参数,包括各振荡电路的固有频率、所有的互感及电阻,基于复模态分析理论对MC-WPT系统进行共振机理建模分析,推导得到MC-WPT系统共振频率及共振点功率的解析表达式。在此基础上,深入分析MC-WPT系统的共振频率及共振点功率随传输距离及负载变化的分布特性,以此解释频率分裂等现象的物理原理,为后续优化及控制MC-WPT系统的共振点奠定相应的理论基础。
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廖志娟
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叶兆虹
唐春森
葛学健
关键词 无线电能传输磁耦合共振模态分析分布特性    
Abstract:In order to determine the influence of electric parameters on the resonant points of magnetic coupling wireless power transfer (MC-WPT) systems, all electric parameters in MC-WPT systems, including the natural frequency of each circuit, mutual inductances and resistances, were comprehensively considered. The MC-WPT system was modeled and analyzed by using complex modal theory, the analytical expressions of resonant frequencies and corresponding output powers of resonant points were accordingly derived. Then the distribution characteristics of resonant frequencies and corresponding powers at resonant points that vary with transfer distance and load resistance were deeply analyzed, and the physical interpretation of frequency splitting was deduced. The analysis results provide a theoretical basis for further study on the optimization and control of resonant points.
Key wordsWireless power transfer    magnetic coupling    resonance mechanism    modal analysis    distribution characteristic   
收稿日期: 2018-10-10      出版日期: 2020-01-17
PACS: TM724  
基金资助:国家自然科学基金(61573074)和国家电网(SGSDQD00FCJS1800705)资助项目
通讯作者: 孙 跃 男,1960年生,教授,博士生导师,研究方向为无线电能传输、电力电子非线性建模等。E-mail: syue@cqu.edu.cn   
作者简介: 廖志娟 女,1992年生,博士,研究方向为无线电能传输。E-mail: 925713569@qq.com
引用本文:   
廖志娟, 孙跃, 叶兆虹, 唐春森, 葛学健. 无线电能传输系统共振机理及共振点分布特性研究[J]. 电工技术学报, 2020, 35(2): 215-224. Liao Zhijuan, Sun Yue, Ye Zhaohong, Tang Chunsen, Ge Xuejian. Research on Resonance Mechanism and Resonant Point Distribution Characteristic of Magnetic Coupling Wireless Power Transfer Systems. Transactions of China Electrotechnical Society, 2020, 35(2): 215-224.
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