Contactless Energy Transfer Systems Using Antiparallel Resonant Loops

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Due to the convenience of using electronic devices, contactless energy transfer (CET) systems have garnered interest in various fields of industry. In this paper, a new design approach that uses antiparallel resonant loops for CET systems is presented. Forward and reverse loops forming an antiparallel resonant structure stabilize the transfer efficiency and therefore prevent it from dramatic distance-related changes, a phenomenon that can occur in CET systems with nonradiative methods (or resonant methods). This paper proposes frequency-insensitive antiparallel resonant loops and the optimal design of these loops for uniform transfer efficiency according to the distance. The proposed technique achieves frequency variation that is one-sixth that of conventional unidirectional loops, thus improving the power efficiency to a maximum of 87%. The improved performance of data transmissions for near-field communication is also verified.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2013-01
Language
English
Article Type
Article
Keywords

WIRELESS POWER TRANSFER; TRANSMISSION; HISTORY

Citation

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, v.60, no.1, pp.350 - 359

ISSN
0278-0046
DOI
10.1109/TIE.2011.2177611
URI
http://hdl.handle.net/10203/104310
Appears in Collection
EE-Journal Papers(저널논문)
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