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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 |
Issue Date: | 15-Apr-2012 | Source: | Journal of applied physics, 15 Apr. 2012, v. 111, no. 7, 07E704, p. 1-3 | 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. | Keywords: | Coils Copper Coupled mode analysis Inductive power transmission Magnetic devices Magnetic flux Magnetic tapes Radio receivers Radio transmitters |
Publisher: | American Institute of Physics | Journal: | Journal of applied physics | 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. |
Appears in Collections: | Journal/Magazine Article |
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File | Description | Size | Format | |
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Wang_Resonant_Magnetic_Circular.pdf | 2.97 MB | Adobe PDF | View/Open |
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