Effects of Magnetic Coupling of Nonadjacent Resonators on Wireless Power Domino-Resonator Systems

被引：241
作者：
Lee, Chi Kwan [1 ]
Zhong, W. X. [2 ]
Hui, S. Y. R. [1 ,3 ]
机构：
[1] Univ Hong Kong, Dept Elect & Elect Engn, Hong Kong, Hong Kong, Peoples R China
[2] City Univ Hong Kong, Dept Elect Engn, Hong Kong, Hong Kong, Peoples R China
[3] Univ London Imperial Coll Sci Technol & Med, Dept Elect & Elect Engn, London SW7 2AZ, England
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2012年 / 27卷 / 04期
关键词：
Electromagnetic coupling; magnetic induction; wireless power transfer; CONTACTLESS BATTERY CHARGER; WINDINGS; PLATFORM; DESIGN; PICKUP;
D O I：
10.1109/TPEL.2011.2169460
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：
In this paper, the effects of the magnetic coupling of nonadjacent resonators on the optimal frequency of wireless power transfer are addressed. A power analysis has been carried out to identify the adjacent and nonadjacent power flow components. It is found that such cross-coupling effects of nonadjacent resonators would cause the maximum efficiency operation to slightly shift away from the resonance frequency of the resonators. Theoretical reasons for such phenomena are provided and experimentally confirmed with practical measurements in a wireless power transfer system comprising several magnetically coupled resonators arranged in a straight domino form.
引用
收藏
页码：1905 / 1916
页数：12
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