Document Type

Article

Publication Date

Winter 12-28-2023

Abstract

Electric cars are becoming more and more popular. In 2019, 2.2 million electric cars were sold around the world, and that number increased in 2021 to 6.6 million. Microgrids prove to be a viable resolution to the challenge of integrating large-scale electric vehicles and renewable energy sources into the electric power system, given the exponential expansion of both industries and the demand for electric vehicles (EVs). Additionally, the principal policy objective of the government is to enhance the accessibility of public recharge stations designed to accommodate EVs. The study applies cutting-edge technologies to the development of fast-charging (FC) stations. Because DC charging offers unlimited power and quick power transfer, vehicle-to-grid technology can be implemented in a microgrid using DC power transmission. However, incorporating EVs into a microgrid system presents some operational difficulties. In this study, these difficulties are related to power quality (PQ) problems like harmonics in power systems, which have an impact on consumers as well as utilities. The efficacy of the control system was assessed through the simulation of design models employing MATLAB-based vector control and constant current-constant voltage (CC-CV) techniques. Through the reduction of the system's total harmonic distortion (THD), both strategies contribute to the enhancement of the PQ and performance of the control system as assessed by these simulations. Based on the findings, the controller demonstrated a decrease in THD and an enhancement in waveform quality, resulting in high accuracy and good performance. The DC-Bus receives power transmission from the AC network that is near the unity power factor (PF) and is distinguished by a sinusoidal current.

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