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As an emerging technology, wireless power transfer (WPT) has various advantages, which can be enhanced by extending the WPT system into a multi-channel one. With the rapid development of electronic equipment, the demand for multiple independent voltage-source outputs is increasing. In many consumer electronics and industrial applications, voltage sources with multiple independent outputs are required. This paper proposes a wireless charging system with multiple constant-voltage (CV) outputs. The LCC-S (inductor capacitor capacitor-series) topology is adopted to achieve CV outputs. The output voltage can be regulated by the corresponding mutual inductance between the transmitting and receiving coils. The receiving coils are designed with overlapped areas to realize mutual decoupling, thus, each output voltage can be independent of each other. The compensating inductor is designed as a quadruple coil so that it can be integrated and decoupled with the transmitting coil at the same time, meanwhile, it can also be decoupled with the receiving coils. In this way, a multi-channel WPT system with independent CV outputs can be achieved. An experimental prototype with three CV output channels is implemented to validate the proposal. The experimental results have revealed that the three CV outputs can be stable with the load resistance variation in each channel.(c) 2023 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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ENERGY REPORTS
ISSN: 2352-4847
Year: 2023
Volume: 9
Page: 461-468
4 . 7
JCR@2023
4 . 7 0 0
JCR@2023
ESI Discipline: ENGINEERING;
ESI HC Threshold:35
JCR Journal Grade:2
CAS Journal Grade:4
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 1
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