Equivalent circuits for repeater antennas used in wireless power transfer via magnetic resonance coupling

被引：5
|
作者：
Imura, Takehiro [1 ]
机构：
[1] Univ Tokyo, Dept Adv Energy, Grad Sch Frontier Sci, Tokyo 1138654, Japan
来源：
ELECTRICAL ENGINEERING IN JAPAN | 2013年 / 183卷 / 01期
关键词：
repeater antenna; wireless power transfer; resonance; magnetic coupling;
D O I：
10.1002/eej.22360
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：
The demand for wireless power transfer via magnetic resonance coupling is increasing. Magnetic resonance coupling is a new technology that achieves power transfers across a large air gap by using transmitting and receiving antennas. However, repeater antennas can enable power transmission across an even larger distance. These repeater antennas without cross coupling can be expressed as a T-type equivalent circuit. Equivalent circuits that include cross coupling and mutual inductance, which is related to the antenna position, have not been studied. In this paper, a novel way to represent a repeater antenna by an equivalent circuit and a way to determine the mutual inductance are proposed and verified by performing an electromagnetic field analysis and experiment. (c) 2013 Wiley Periodicals, Inc. Electr Eng Jpn, 183(1): 5162, 2013; Published online in Wiley Online Library (wileyonlinelibrary.com). DOI 10.1002/eej.22360
引用
收藏
页码：51 / 62
页数：12
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