Comparative Analysis of the Conventional Magnetic Structure Pads for the Wireless Power Transfer Applications

Nowadays, Electric Vehicles (EV’s) are considered as a solution to help the environmental issues and reducing the air pollutions. But charging and recharging of the electric vehicles, using the conventional ways, have a lot of undeniable problems that have caused EVs unpopular, even though the governments provide many subsidies and taxes to resolve such programs. Hence, the Wireless Power Transfer (WPT) for charging the battery of the EVs is presented to eliminate all the difficulties of the conventional ways such as Plug-in topology. The critical point of the WPT’s design is the receiver/transmitter pads as well as the magnetic parts of the system. Therefore, in this paper the conventional magnetic structure pads are presented and compared to each other to suggest the best structure. The four constructions of the pads that are investigated in this paper nominated as the Double-D pad (DDP), Circular Pad (CP) for the transmitter-side, and Bipolar Pad (BPP), Double-D Quadrature Pad (DDQP) for the receiver-side.

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