Abstract

This paper presents an integrated LCC compensation topology with Bipolar pad (BPP) as the receiver-side and Double-D Pad (DDP) as the transmitter-side for wireless battery chargers used in electric vehicle (EV) and plug-in hybrid electric vehicle (PHEV) applications. In this issue, lateral misalignment is a considerable problem that engineers try to overcome it in both the dynamic and stationary Inductive Power Transfer (IPT). BPP, which has two partially overlapped and mutually decoupled coils, has been introduced due to having a better performance in horizontal misalignment. Also, LCC topology is the efficient procedure for compensation of the IPT that has the higher efficiency in the lateral misalignment than the other compensation topologies. Achieving compactness and high efficiency are the two key parameters to conduct wireless power transfer system. To make a system more compact with extremely high efficiency, the compensation inductances has been integrated to the main coils of the BPP. Finally, the effects of the windings on each other are optimized to obtain the lowest possible level and also proper coil size. The investigation is performed via 3D finite element analysis (FEA) tool ANSYS MAXWELL.

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