Enhanced planar wireless power transfer using strongly coupled magnetic resonance | Zendy

Jolani Farid | Zendy; Yu Yiqiang | Zendy; Chen Zhizhang | Zendy

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Enhanced planar wireless power transfer using strongly coupled magnetic resonance

Author(s) -

Jolani Farid,

Yu Yiqiang,

Chen Zhizhang

Publication year - 2015

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

eISSN - 1350-911X

pISSN - 0013-5194

DOI - 10.1049/el.2014.4104

Subject(s) - wireless power transfer , planar , wireless , power (physics) , materials science , resonance (particle physics) , resonant inductive coupling , inductive coupling , electrical engineering , nuclear magnetic resonance , energy transfer , optoelectronics , electronic engineering , physics , computer science , telecommunications , engineering , atomic physics , computer graphics (images) , quantum mechanics

A novel planar wireless power transfer (WPT) system using strongly coupled magnetic resonance is proposed. Additional layers of printed spiral coils (PSCs) are applied to the transmitter/receiver resonator of the 4‐coil planar WPT system to improve the quality factor and transmission efficiency. In addition, by connecting multilayer transmitter/receiver resonators together using conductive shorting walls, the transmission efficiency is further improved. Five planar WPT systems using coplanar PSCs and printed loops have been investigated. The measured results show that the proposed design with two additional layers of resonators and shorting walls could improve the transmission efficiency from 77.27 to 84.38%.

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