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Misalignment tolerance is a problem that needs to be handled for wireless charging of electric vehicles, especially the more challenging to correct door-to-door direction (X misalignment), since ideal parking cannot be ensured when an electric vehicle is parked. A multi-receiver electric vehicle wireless charging system with paralleling diode rectifies is proposed to improve the misalignment tolerance. Strong misalignment tolerance can be achieved by automatic mode switching of the system at various misalignment points, which is made possible by the clamping effect of the diodes. To confirm the viability of the suggested plan, experimental prototypes and mathematical models were constructed. The system achieves effective power transfer, and its maximum efficiency is 90.38%, based on the experimental data. Within a 100 mm misalignment of the receiving coil along X, the system maintains excellent efficiency over a wide range of misalignments, with an efficiency more than 90% and an output power fluctuation of less than 4.8%. © 2024 IEEE.
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Year: 2024
Page: 1903-1908
Language: English
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ESI Highly Cited Papers on the List: 0 Unfold All
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