Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/5370
Title: Analytical study and corresponding experiments for a new resonant magnetic charger with circular spiral coils
Authors: Wang, J
Li, J
Ho, SL 
Fu, W 
Zhao, Z
Yan, W
Sun, M
Keywords: Coils
Copper
Coupled mode analysis
Inductive power transmission
Magnetic devices
Magnetic flux
Magnetic tapes
Radio receivers
Radio transmitters
Issue Date: 15-Apr-2012
Publisher: American Institute of Physics
Source: Journal of applied physics, 15 Apr. 2012, v. 111, no. 7, 07E704, p. 1-3 How to cite?
Journal: Journal of applied physics 
Abstract: This study proposes a new resonant magnetic charger comprising circular spiral coils that operate with a strong coupling effect between the transmitter and the receiver. The two spiral coils are fitted with additional copper tapes to serve as resonant transmitter and receiver coils. The magnetic flux distributions are calculated using temporal coupled mode theory. Analysis results show that the proposed system can dramatically improve the efficiency and extend the power transfer distance. Experiments have been carried out in order to verify the performance of the system. In particular, the trends of output voltages when either the operating frequencies or the transfer distances are changing are reported. The system efficiency obtained experimentally is also given. Both calculated and measured results are in good agreement.
URI: http://hdl.handle.net/10397/5370
ISSN: 0021-8979
EISSN: 1089-7550
DOI: 10.1063/1.3670981
Rights: © 2012 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Junhua Wang et al., J. Appl. Phys. 111, 07E704 (2012) and may be found at http://link.aip.org/link/?jap/111/07E704.
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