This paper attempts to provide a review of wireless charging technologies suitable for electric vehicles (EVs) charging. Inductive Power Transfer (IPT) and strongly coupled magnetic resonance technologies are chosen for detailed review. Different cases of WPT technologies, their principle of operation and equivalent circuit based analysis is carried out. Compensation strategies and their effectiveness are reviewed. Design trends of coil systems for electric cars have been referenced. In addition, this paper presents special issues related to WPT and EV applications, the shielding methods, the Solar Power Satellite (SPS), the Roadway Powered Electric Vehicles (RPEVs) and the Online Electric Vehicles (OLEVs). Finally, recommendations and conclusions are made, based on the study and analysis of the available literature showing the trends on the wireless power transfer of EVs.

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