Asymmetric wireless power transfer systems using coupled DGS resonators

Sherif Hekal, Adel B. Abdel-Rahman, Ahmed Allam, Hongting Jia, Adel Barakat, Ramesh K. Pokharel

研究成果: Contribution to journalArticle査読

10 被引用数 (Scopus)


This paper presents a new design for wireless power transfer (WPT) systems using asymmetric structures for the transmitter (TX) and the receiver (RX), and the TX/RX are constructed using spiral-strips defected ground structure (DGS) resonators. The proposed spiral-strips DGS resonator overcome the problem of low self-inductance that encountered by H-shape DGS resonator in [1, 2], so that the proposed WPT system that employs the proposed spiral-strips DGS resonators has better efficiency and higher power transmission distance. Design methodology of the proposed WPT system are formulated and fabricated. The measurement results show a WPT efficiency of 78% at a transmission distance of 40mm with the TX and RX areas of 50 × 50mm2 and 30 × 30mm2, respectively.

ジャーナルIEICE Electronics Express
出版ステータス出版済み - 2016

All Science Journal Classification (ASJC) codes

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • 電子工学および電気工学


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