INCREASING THE ENERGY INDICATORS OF CONVERTERS OF ELECTRIC VEHICLE CHARGING STATIONS

Автор(и)

DOI:

https://doi.org/10.18664/1994-7852.204.2023.284153

Ключові слова:

active rectifier, charging station, charging and discharging characteristics, electric vehicle, energy efficiency, lithium-ion battery

Анотація

The article presents the results of the research of semiconductor converters of charging stations for electric vehicles based on lithium-ion cells. Basic energy parameters and charge-discharge characteristics of lithium-ion and lithium-iron-phosphate batteries are given. The topology of the proposed charging station for electric vehicles based on active rectifier circuits is presented. The parameters of the substitution circuits the battery compartment of the Tesla S electric vehicle are described. The method of fast battery charging with constant voltage and constant current is described, which provides a greater number of battery charge-discharge cycles. A simulation model of the proposed charging station structure with an automatic control system in the Matlab program is presented. The efficiency of the proposed charging station system was calculated for different parameters of the charge current and switching frequency. The results of modeling of electromagnetic processes, indicators of  electromagnetic compatibility, oscillograms of input and output currents and voltages of the charging station were obtained.

Біографії авторів

Volodymyr Nerubatskyi, Ukrainian State University of Railway Transport

PhD (Tech.), Associate Professor, Department of Electrical Energetics, Electrical Engineering and  Electromechanics

Olexandr Plakhtii, Ukrainian State University of Railway Transport

PhD (Tech.), Associate Professor, Department of Electrical Energetics, Electrical Engineering and Electromechanics

Denys Hordiienko, Ukrainian State University of Railway Transport

Postgraduate, Department of Electrical Energetics, Electrical Engineering and Electromechanics

Посилання

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Опубліковано

2023-06-21