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Proposal for a new resonance adjustment method in magnetically coupled resonance type wireless power transmission

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2 Author(s)
Yuki Endo ; Advantest Corporation Saitama R&D Center, 1-5, Shin-tone, Kazo-shi, Saitama 349-1158, Japan ; Yasuo Furukawa

In a magnetically coupled resonance system which enables intermediate-range power transmission, over 100 high Q is required in the power transmission resonance circuit. In other words, high-precision adjustment of the resonance frequency is necessary. In this paper, we are proposing a pure-electronic resonance frequency adjustment circuit which does not require any complicated controls. With this proposal, the resonant condition can be maintained without using high-precision parts or mechanical adjustment mechanisms.

Published in:

Microwave Workshop Series on Innovative Wireless Power Transmission: Technologies, Systems, and Applications (IMWS), 2012 IEEE MTT-S International

Date of Conference:

10-11 May 2012