A Performance Enhanced Dual-band Wireless Power Transfer System for Practical ISM Bands

Kassen Dautov, Rahul Gupta, Mohammad Hashmi

2019

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DOI 10.1109/apmc46564.2019.9038874
Data confidence 70 medium
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Abstract

This paper presents a dual-band wireless power transfer (WPT) system operating at industrial, scientific and medical (ISM) bands. The proposed WPT employs a defected ground structure (DGS) concept, therefore possesses an extremely small size of 18×18 mm2circuit. At first, the design of a dual-band resonator is realized and then this is utilized to develop the dual-band WPT system. Then the proposed WPT is fabricated on Rogers RO4350B. The obtained measured results of 71% and 81% at the frequencies of 0.433 GHz and 0.9 GHz demonstrate an excellent feature of the proposed dual-band WPT system.