磁耦合谐振式无线电能传输系统功效同步研究

doi:10.19595/j.cnki.1000-6753.tces.160675

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摘要针对磁耦合谐振式无线电能传输系统中传输效率最大值与功率最大值难以同步的问题,利用等效电路理论对无线电能传输系统进行建模分析,给出系统传输效率最佳频率和传输功率最佳频率的计算方法,提出最佳谐振频率和功效同步因数的概念,得出系统传输效率与功率最大值同步出现的条件。借助仿真软件分析系统传输效率和功率与负载的变化规律,搭建实验平台,通过对比实验数据和仿真结果,证明了理论分析的正确性,也为进一步优化系统功效同步性能,同时提高传输效率和功率提供了有益的参考。

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	唐治德
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关键词 ：磁耦合谐振, 传输效率最佳频率, 功效同步因数, 阻抗匹配

Abstract：In order to solve the problem of difficult implement of synchronization of maximum transfer efficiency and power in wireless power transmission system via magnetic resonance coupling,the power transmission system was analyzed by equivalent circuit theory,and the calculation method to optimal frequency of transfer efficiency and its power was proposed.The concept of optimal resonance frequency and power-efficiency synchronization factor was presented,and the synchronous condition to maximum transfer efficiency and power was given.By simulating,the varying regularity of the transfer efficiency and power with load changes was researched.The experimental platform was set up and the correctness of the theoretical analysis is proved by comparing the simulation results and measured data.Thus provides an useful reference for the further optimization of power-efficiency synchronization and the improvement of transfer efficiency and its power in wireless power transfer system.

Key words： Magnetic coupling resonance optimal frequency of transfer efficiency power-efficiency synchronization factor impedance matching

收稿日期: 2016-05-16 出版日期: 2017-11-10

PACS:

TM72

基金资助:国家能源局重点资助项目(NY20150303)。

通讯作者: 杨帆男,1989年生,硕士研究生,研究方向为磁耦合谐振式无线电能传输。E-mail:yangfan516@foxmail.com

作者简介: 唐治德男,1958年生,博士,教授,研究方向为磁耦合谐振式无线电能传输。E-mail:tangzhide@cqu.edu.cn

引用本文:

唐治德, 杨帆, 徐阳阳, 彭一灵. 磁耦合谐振式无线电能传输系统功效同步研究[J]. 电工技术学报, 2017, 32(21): 161-168. Tang Zhide, Yang Fan, Xu Yangyang, Peng Yiling. Research on Power-Efficiency Synchronization of Wireless Power Transfer via Magnetic Resonance Coupling. Transactions of China Electrotechnical Society, 2017, 32(21): 161-168.

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