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Abstract:
Conventional high-power wireless power transfer (WPT) systems that are required to deliver power over a wide operating range suffer from issues like hard switching, poor current sharing, and unwanted cross-coupling issues. This article proposes a new resonant inductor integrated-transformer-based multi-inverter to improve the WPT power rating without compromising performance. Viable modulation schemes of the proposed system are analyzed, and a hybrid modulation scheme is proposed for wide-range power regulation. To further investigate the feasibility of the proposed system, the power transfer capacity, current sharing among multiple inverters, and the soft switching regions are studied. A 14-kW LCC-LCC WPT experimental system with three parallel inverters is built, which achieves 93.5% efficiency, demonstrating the high performance of the proposed system. This article is accompanied by a video demonstrating these experiments. © 1986-2012 IEEE.
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IEEE Transactions on Power Electronics
ISSN: 0885-8993
Year: 2022
Issue: 12
Volume: 37
Page: 14082-14095
6 . 7
JCR@2022
6 . 6 0 0
JCR@2023
ESI HC Threshold:66
JCR Journal Grade:1
CAS Journal Grade:1
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SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 2
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