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Novel design of a compact tunable dual band wireless power transfer (TDB-WPT) system for multiple WPT applications
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Hany ATALLAH, Rasha HUSSEIN, Adel ABDELRAHMAN. Novel design of a compact tunable dual band wireless power transfer (TDB-WPT) system for multiple WPT applications[J]. Frontiers of Information Technology & Electronic Engineering, 1998, -1(-1): .
@article{title="Novel design of a compact tunable dual band wireless power transfer (TDB-WPT) system for multiple WPT applications",
author="Hany ATALLAH, Rasha HUSSEIN, Adel ABDELRAHMAN",
journal="Frontiers of Information Technology & Electronic Engineering",
volume="-1",
number="-1",
pages="",
year="1998",
publisher="Zhejiang University Press & Springer",
doi="10.1631/FITEE.2200664"
}
%0 Journal Article
%T Novel design of a compact tunable dual band wireless power transfer (TDB-WPT) system for multiple WPT applications
%A Hany ATALLAH
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%A Adel ABDELRAHMAN
%J Journal of Zhejiang University SCIENCE C
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%@ 2095-9184
%D 1998
%I Zhejiang University Press & Springer
%DOI 10.1631/FITEE.2200664
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J0 - Journal of Zhejiang University Science C
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/FITEE.2200664
Abstract: In this paper we present the design and realization of a tunable dual band wireless power transfer (TDB-WPT) coupled resonator system. The frequency response of the tunable band can be controlled using a surface mounted (SMD) varactor. The transmitter (Tx) and the receiver (Rx) circuits are symmetric. The top layer contains a feed line with an impedance of 50 Ω. Two identical half rings defected ground structures (HR-DGS) are loaded on the bottom using a varactor diode. We propose a solution for restricted WPT systems working at a single band application according to the operating frequency. The effects of geometry, orientation, relative distance, and misalignments on the coupling coefficients were studied. To validate the simulation results, the proposed TDB-WPT system was fabricated and tested. The system occupies a space of 40 × 40 mm2. It can deliver power to the receiver with an average coupling efficiency of 98% at the tuned band from 817 to 1018 MHz and an efficiency of 95 % at a fixed band of 1.6 GHz at a significant transmission distance of 22 mm. The results of the measurements accord well with those of an equivalent model and the simulation.
Open peer comments: Debate/Discuss/Question/Opinion
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