An Enhanced Voltage Control Strategy with DC Microgrid for EV Stations

An Enhanced Voltage Control Strategy with DC Microgrid for EV Stations

Publication Date : 2023-12-10
Author(s) :

Ashmini S, Cinu S Robin

           
Article Name :

An Enhanced Voltage Control Strategy with DC Microgrid for EV Stations

Abstract :

Growing energy demand and fossil fuel scarcity have led to significant advancements in electric vehicles (EVs) and renewable energy generation. The grid’s ability to function may be severely impacted by the massive amount of electricity that electric vehicles use when grouped together at a charging station. On the charging station side, installing renewable energy is therefore thought to be a promising win-win solution. Using a photovoltaic (PV) system and a wind energy system based on distributed flexible inverter generators (DFIG), this project aims to develop a novel control mechanism for a micro grid configuration. Building a reliable and effective energy ecosystem is the main objective. Initially, the GWO-PI controller is used to optimize the power produced by photovoltaic sources. The energy that has been harvested is then mixed with the DFIG’s output. However, the incorporation of renewable energy sources poses issues with power quality and harmonics in the micro grid. Initially, they offer a dependable power source to numerous electric vehicle (EV) charging stations. Variations in frequency or voltage can put stress on the parts of the charging station, which could result in wear and tear. In addition, the consistent DC power is employed to support diverse DC loads, guaranteeing effective energy management throughout the micro grid. A sophisticated PI control system is put in place to deal with these problems. Simulink and MATLAB 2021a are used to simulate and validate the proposed method.

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