3-Coil resonance-based wireless power transfer system for implantable electronic

Ying Yi, Ulrich Buttner, Yiqiang Fan, Ian G. Foulds

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Scopus citations

Abstract

This paper presents a 3-coil resonance-based wireless power transfer (R-WPT) system using a single layer of inductor coil windings, in a pancake configuration, in order to obtain a compact system for implantable electronic applications. A theoretical analysis and experimental measurements in terms of quality factor Q and power transfer efficiency (PTE), was done. Our proposed 3-coil scheme can achieve a high PTE with a resonance frequency of 2.46 MHz over a transfer distance of up to 30 mm, by using two 15-mm radius implant coils. The achieved experimental PTE is more than 85%at a 5 mm separation distance, and about 50% PTE at a distance of 20 mm. © 2013 IEEE.
Original languageEnglish (US)
Title of host publication2013 IEEE Wireless Power Transfer (WPT)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages230-233
Number of pages4
ISBN (Print)9781467350082
DOIs
StatePublished - May 2013

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