Battery Charger For Electric Vehicles That Rely on PV Arrays to Be Located Off the Vehicle

Abstract

The development of electric vehicles over the last decade has been a major driving force behind the expansion of the automotive market (EV). One of the most important factors in the evolution of EVs is the battery charging infrastructure. When an electric vehicle's battery is charged through the power grid, the system must accommodate a larger amount of energy use.

In light of this, the authors of this paper suggest an off-board EV battery charging system that is based on a photovoltaic (PV) array with a controller. To ensure that the electric vehicle's battery is always charged, a secondary battery bank is used in conjunction with the PV array.

The suggested system can charge the EV battery at any time, day or night, thanks to the sepic converter and the three-phase bidirectional DC-DC converter.

The EV battery and the backup battery both get charged during the day's peak sunlight, and the backup battery then helps to charge the EV battery at night or during cloudy days. The results of a simulation run in Simulink inside MATLAB, based on the suggested charging scheme, are shown.