Analysis of Frequency Splitting Phenomena for Magnetic Resonance Wireless Power Transfer Systems

被引：0

作者：

Xu, Dong ^{[1
]}

Yin, Shengqiang ^{[2
]}

Wang, Dongqing ^{[1
]}

机构：

[1] Qingdao Univ, Coll Automat & Elect Engn, Qingdao, Peoples R China

[2] ABB China Ltd, Qingdao Branch, Qingdao, Peoples R China

来源：

2017 CHINESE AUTOMATION CONGRESS (CAC) | 2017年

基金：

中国国家自然科学基金;

关键词：

frequency splitting; wireless power transfer; mutual coupling theory; power-transfer efficiency;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A mutual coupling theory is used to analyze the frequency splitting phenomena in magnetic resonance wireless power transfer (WPT) systems, along with a derivation of the critical coupling point (maximum operating distance at which maximum power-transfer efficiency is still achievable). Theoretical analysis and simulation results show the clearly visible frequency splitting phenomena, and reveal that the critical coupling point represents the farthest distance at which the power-transfer efficiency remains the maximum. A derivation of the resonance frequency function of WPT system reveals that the quality factors of receive coil plays a tremendous role in system performance. The study and test results can provide a theoretical support for the design of high power-transfer efficient WPT system based on magnetic resonance.

引用

页码：2614 / 2618

页数：5

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