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This paper presents an analysis of operation frequency and current effects on coil impedance and system characteristics of electric vehicle (EV) wireless charging system. Firstly, an equivalent circuit model of EV wireless charging system with dual side LCC compensation networks is established. Also, power loss and system efficiency expressions are given. Then, frequency influence is studied considering...
The eddy current loss in the steel chassis of an electric vehicle (EV) is an underestimated problem facing the EV oriented wireless charging system (WCS) designers. In this paper, we have proposed three basic optimizing strategies to develop efficient WCSs with less eddy losses. Finite element simulations are conducted to compare and evaluate the effectiveness of these three methods. Moreover, a 3-kW...
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