无线电能有效传输距离及其影响因素分析

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摘要针对在无线电能传输系统中提高电能传输距离与缩小传输装置体积这一热点、难点问题, 首先利用空间两线圈的互感耦合模型, 从电路角度分析了无线电能传输系统的频率特性, 得到了接收线圈归一化电压的表达式, 并基于此提出了有效传输距离的概念。然后通过对最大传输距离影响因素的分析得到了线圈优化设计方法。最后, 本文设计了相关的实验电路, 实验结果与理论、仿真分析具有较好的一致性, 验证了该方法的正确性和有效性。这为提高无线电能传输距离和线圈的优化设计提供有益的参考。

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	李阳
	杨庆新
	闫卓
	张超
	陈海燕
	张献

关键词 ：无线电能传输, 磁耦合谐振, 有效传输距离, 频率特性, 影响因素

Abstract：To improve the effective range between transfer and receiver coils and to reduce its volume is one of the key and difficult problems in wireless power transfer system. In this paper, the characteristic of frequency of wireless power transfer based on the coupling model of two spatial isolated coils is analyzed, and yielded the relationship among normalized voltage in the receiver coils. Further more, the conception of effective range of wireless power transfer is proposed. Then the maximum transfer range and its impact factors are analyzed which obtains the way to optimize the design of self-resonance coupling coils. In the end, equivalent circuit model is designed and experimental results are well consistent with the theoretical analysis, which shows the right and effectiveness of the proposed method. Thus provides an useful reference for improving the wireless power transfer range and the transfer or receiver coils optimization designing.

Key words： Wireless power transfer coupled magnetic resonances effective transfer range characteristic of frequency impact factors

收稿日期: 2011-06-15 出版日期: 2013-11-27

PACS:

TM72

基金资助:国家自然科学基金（50977062、51207106和51207150）和天津市高等学校科技发展计划基金（20110411）资助项目。

作者简介: 李阳男,1979年生,博士研究生,讲师,研究方向为无线电能传输理论与应用。杨庆新男,1961年生,博士,教授,博士生导师,研究方向为工程电磁场与磁技术。

引用本文:

李阳, 杨庆新, 闫卓, 张超, 陈海燕, 张献. 无线电能有效传输距离及其影响因素分析[J]. 电工技术学报, 2013, 28(1): 106-112. Li Yang, Yang Qingxin, Yan Zhuo, Zhang Chao, Chen Haiyan, Zhang Xian. Analysis on Effective Range of Wireless Power Transfer and Its Impact Factors. Transactions of China Electrotechnical Society, 2013, 28(1): 106-112.

链接本文:

http://dgjsxb.ces-transaction.com/CN/Y2013/V28/I1/106

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