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2022-04-29
Analysis of a Three-Coil Wireless Power Transfer System Operated Under Hybrid Resonant Frequency
By
Zhenyang Zhang,

    Dr. Zhenyang Zhang

    Henan Electric Power Company Maintenance Branch, State Grid Corporation of China

    China

    Homepage

Meng Wang

    Professor Meng Wang

    College of Electric and Electrical Engineering

    Henan Normal University

    China

    Homepage

Progress In Electromagnetics Research M, Vol. 110, 73-82, 2022
doi:10.2528/PIERM22031801 | Google Scholar

Abstract
To enhance transmission performance, a novel three-coil wireless power transfer system is proposed in this work. Unlike the traditional system in which three coils are resonant, the coils in the proposed system are hybrid resonant. According to theoretical calculation, it is found that output power is dependent on resonant frequency of the transmitting coil and the relay coil once the receiving coil is set to resonate at the operating frequency. Simulation work is conducted. Under various distance between transmitting coil and relay coil, resonant frequency of the two coils at which the output power is maximized is obtained. Compared with the traditional resonant system, the simulation result shows that output power of the proposed hybrid resonant system is higher especially at smaller distance. For further validation, experiments have been carried out which verify that better performance can be realized with the proposed hybrid resonant system.
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Citation
Zhenyang Zhang, and Meng Wang, "Analysis of a Three-Coil Wireless Power Transfer System Operated Under Hybrid Resonant Frequency," Progress In Electromagnetics Research M, Vol. 110, 73-82, 2022.
doi:10.2528/PIERM22031801
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