电工技术学报  2018, Vol. 33 Issue (zk2): 305-312    DOI: 10.19595/j.cnki.1000-6753.tces.L80146
电工理论与新技术 |
基于磁放大器的耦合谐振式无线电能传输自适应调谐研究
程泽, 吕月铭, 刘琦, 邢宇涵
天津大学电气自动化与信息工程学院 天津 300072
Research of Adaptive Tuning Magnetically Coupled Resonant Wireless Power Transfer System Based on Magnetic Amplifier
Cheng Ze, Lü Yueming, Liu Qi, Xing Yuhan
School of Electrical and Information Engineering Tianjin University Tianjin 300072 China
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摘要 在实际工作中,磁耦合谐振式无线电能传输系统的负载变化和高频电路中杂散电容、电感的变化可能会影响系统传输效率,基于此,本文设计了一种基于磁放大器的自适应调谐系统。通过理论分析得出影响系统传输效率的因素。运用仿真并设计样机分析磁放大器的工作机理及性能。仿真实验表明该自适应调谐系统的有效性,对比负载、电容、电感等因素导致的系统失谐状态,可以有效提高系统的传输效率。
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关键词 自适应调谐磁放大器耦合谐振无线电能传输    
Abstract:Aiming at the efficiency of wireless power transfer via magnetic resonance coupling varies according to change of load, change of stray capacitance and inductance in the high-frequency circuit, a new adaptive tuning magnetically coupled resonant wireless power system based on magnetic amplifier has been presented. The factors that affect the transmission efficiency of the system were obtained by theoretical analysis. By simulation and prototype design, the working mechanism and performance of the magnetic amplifier were analyzed. Based on this, an adaptive tuning system based on magnetic amplifier was designed. The simulation experiment results verify the correctness of the adaptive tuning system. The simulation experiment results verify the correctness of the adaptive tuning system. The transmission efficiency of the system is improved effectively compared to detuning system state caused by such factors as inductance, capacitance, and load.
Key wordsAdaptive tuning    magnetic amplifier    magnetic resonance coupling    wireless power transfer   
收稿日期: 2018-06-26      出版日期: 2019-02-15
PACS: TM724  
基金资助:国家自然科学基金资助项目(61873180)
通讯作者: 程泽 男,1959年生,教授,研究方向为无线充电传输能量优化及自适应负载匹配方法研究。E-mail: chengze@tju.edu.cn   
作者简介: 吕月铭 男,1995年生,硕士研究生,研究方向为无线充电传输能量优化及自适应负载匹配方法研究。E-mail: 353386773@qq.com
引用本文:   
程泽, 吕月铭, 刘琦, 邢宇涵. 基于磁放大器的耦合谐振式无线电能传输自适应调谐研究[J]. 电工技术学报, 2018, 33(zk2): 305-312. Cheng Ze, Lü Yueming, Liu Qi, Xing Yuhan. Research of Adaptive Tuning Magnetically Coupled Resonant Wireless Power Transfer System Based on Magnetic Amplifier. Transactions of China Electrotechnical Society, 2018, 33(zk2): 305-312.
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