A Novel Coupling Factor Independent Highly Efficient Resonant Based Wireless Power Transfer

被引：0

作者：

Wang, Xiaoyu ^{[1
]}

Abdelatty, Omar ^{[1
]}

Mortazawi, Amir ^{[1
]}

机构：

[1] Univ Michigan, Elect Engn Dept, 1301Beal Ave, Ann Arbor, MI 48105 USA

来源：

2017 47TH EUROPEAN MICROWAVE CONFERENCE (EUMC) | 2017年

关键词：

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents a novel design methodology to address range and misalignment intolerance in strongly coupled magnetic resonance wireless power transfer (WPT) systems. A nonlinear resonator circuit is developed to compensate for the effect of coupling factor (k) variation between the transmit and receive coils and thereby maintaining high efficiency of WPT system. Such a method is implemented with an all passive circuit configuration without altering the operating frequency. The method is experimentally verified using a WPT circuit designed at 3.65 MHz. A near-constant wireless power transfer efficiency higher than 75% is achieved over 18 cm of transfer distance, exhibiting significant improvement as compared to a conventional linear WPT circuit operating under the same conditions.

引用

页码：200 / 203

页数：4

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