Novel Resonance-Based Wireless Power Transfer Using Mixed Coupling

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This study presents an equivalent circuit model for the analysis of wireless power transfer (WPT) through both electric and magnetic couplings using merely a resonant coupler. Moreover, the frequency split phenomenon, which occurs when transmitting couplers are near receiving couplers, is explained. This phenomenon was analyzed using simple circuit models derived via a mode decomposition technique. To verify the proposed method, a resonant coupler using mixed coupling was designed and its efficiency was compared with the result obtained using a commercial electromagnetic solver. The results of this study are expected to aid in designing various WPT couplers or sensor antennas by selecting electric, magnetic, or mixed couplings. Furthermore, the results of this study are expected to be applied to technologies that sense objects, or simultaneously transmit and receive information and power wirelessly.
Publisher
MDPI
Issue Date
2020-12
Language
English
Article Type
Article
Citation

SENSORS, v.20, no.24, pp.7277

ISSN
1424-8220
DOI
10.3390/s20247277
URI
http://hdl.handle.net/10203/279515
Appears in Collection
GT-Journal Papers(저널논문)
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