3-Coil resonance-based wireless power transfer system for implantable electronic
KAUST DepartmentElectrical Engineering Program
Electromechanical Microsystems & Polymer Integration Research Lab (EMPIRe)
Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
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AbstractThis 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.
Conference/Event name2013 IEEE Wireless Power Transfer, WPT 2013