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Abstract:
Electric vehicle charging platforms in the market are usually rated as 400 or 800 V, so the wireless charging system of electric vehicles must effectively supply power for these two voltage platforms. It is also an urgent problem to keep the output stable in the case of misalignment. The antioffset wireless charging system based on the reconfigurable coupling coupler is proposed. A coupling structure is reconfigured by a switch to charge a 400- or 800-V charging platform at the same power level. Simultaneously, an additional set of quadrupole receiving coils is connected in series to compensate for the reduced mutual inductance when offset occurs. To verify the proposed wireless power transfer system, a scaled-down experimental prototype was built. The results show that the highest dc-dc efficiency of the system is 93.66% and 94.27% at the voltage level of 200 and 400 V, respectively, and has good misalignment tolerance in two perpendicular directions. © 2024 IEEE.
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IEEE Transactions on Power Electronics
ISSN: 0885-8993
Year: 2025
Issue: 4
Volume: 40
Page: 4722-4726
6 . 6 0 0
JCR@2023
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 1
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