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Electric Vehicles Charging Technology Review and Optimal Size Estimation
Morris Brenna,Federica Foiadelli,Carola Leone,Michela Longo 대한전기학회 2020 Journal of Electrical Engineering & Technology Vol.15 No.6
Many diff erent types of electric vehicle (EV) charging technologies are described in literature and implemented in practical applications. This paper presents an overview of the existing and proposed EV charging technologies in terms of converter topologies, power levels, power fl ow directions and charging control strategies. An overview of the main charging methods is presented as well, particularly the goal is to highlight an eff ective and fast charging technique for lithium ions batteries concerning prolonging cell cycle life and retaining high charging effi ciency. Once presented the main important aspects of charging technologies and strategies, in the last part of this paper, through the use of genetic algorithm, the optimal size of the charging systems is estimated and, on the base of a sensitive analysis, the possible future trends in this fi eld are fi nally valued.