Abstract

A novel topology for hybrid wireless power transfer (HPT), which uses both capacitive and inductive action, for electric vehicle charging is proposed in this paper. A three leg inverter topology is used for HPT. Two legs of the inverter, switched at 85 kHz, are used for inductive wireless power transfer (IPT) and the third leg, switched at 1 MHz, is used for capacitive wireless power transfer (CPT). Mixed switching frequency operation of the converter, is the novelty in proposed topology. Series-series compensation is used for IPT and dual LC compensation is used in CPT. The effectiveness of the proposed topology is simulated for a power level of 1 kW. IPT contributes to twice the power transfer than that of CPT.

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