Solar PV-Tied Electric Vehicle Charging System Using Bidirectional DC-DC Converter

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Mohammad Rashid Khan , Brijendra Mishra, Rajeev Shrivastava

Abstract

The development of battery charging systems for electric vehicles (EVs) that use renewable energy sources has seen a significant uptick in automotive research in recent years. This study comprehensively examines electric vehicles (EVs) powered by solar photovoltaic (PV) systems. The utilization of batteries for energy storage in terrestrial vehicles has numerous benefits, such as emission-free operation, load balancing, efficient performance during abrupt fluctuations, and the ability to recuperate energy during braking. A bidirectional DC-DC converter is required to link the photovoltaic (PV) system to the battery's DC-link in order to meet these specifications. Photovoltaic (PV)-powered electric vehicles must function in two different modes: charging, which involves replenishing the energy storage, and discharging, which involves using the stored energy to power the vehicle. This study employs the Maximum Power Point Tracking (MPPT) technique to boost solar photovoltaic systems' electricity output. Bidirectional DC-DC converters are essential parts of the power conversion systems that uninterruptible power supplies (UPS), plug-in hybrid electric vehicles (PHEVs), & fuel cell vehicles employ. A DC-DC converter is necessary for charging household devices from a low-voltage battery to a high-voltage source. Bidirectional DC-DC converters come in two varieties: isolated and non-isolated. This study presents a closed-loop control CKT for a DC-DC converter with a bidirectional output. The efficacy of the technology is confirmed using MATLAB simulations.

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