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Magnetic Resonant Coupling As a Potential Means for Wireless Power Transfer to Multiple Small Receivers

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Cannon, Benjamin L., Hoburg, James F., Stancil, Daniel D., Goldstein, Seth Copen·2009·IEEE Transactions on Power Electronics

Abstract

Wireless power transfer via magnetic resonant coupling is experimentally demonstrated in a system with a large source coil and either one or two small receivers. Resonance between source and load coils is achieved with lumped capacitors terminating the coils. A circuit model is developed to describe the system with a single receiver, and extended to describe the system with two receivers. With parameter values chosen to obtain good fits, the circuit models yield transfer frequency responses that are in good agreement with experimental measurements over a range of frequencies that span the resonance. Resonant frequency splitting is observed experimentally and described theoretically for the multiple receiver system. In the single receiver system at resonance, more than 50% of the power that is supplied by the actual source is delivered to the load. In a multiple receiver system, a means for tracking frequency shifts and continuously retuning the lumped capacitances that terminate each receiver coil so as to maximize efficiency is a key issue for future work.

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Metadata

Authors
Cannon, B. L., Hoburg, J. F., Stancil, D. D., & Goldstein, S. C.
Venue
IEEE Transactions on Power Electronics
Published
2009-07
Volume
24
Issue
7
Pages
1819-1825
ISSN
0885-8993 (ISSN-L)
OpenAlex
W2126015357
Cited by
924
References
0
FWCI
33.79
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Magnetic Resonant Coupling As a Potential Means for Wireless Power Transfer to Multiple Small Receivers. https://app.cochat.ai/papers/10.1109/tpel.2009.2017195
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Cannon, B. L., Hoburg, J. F., Stancil, D. D., & Goldstein, S. C. (2009). Magnetic Resonant Coupling As a Potential Means for Wireless Power Transfer to Multiple Small Receivers. IEEE Transactions on Power Electronics. https://doi.org/10.1109/tpel.2009.2017195

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