A Novel DG Integrated MF-AUPQC Device for ActivePower Quality Regulation in Utility-Grid Powered EV Charging Stations

Nowadays, global warming together environmental issues are declining rapidly due to the adoption of Electric Vehicles (EVs) over fossil-fuel-operated Internal Combustion Engine (ICE) vehicles. The substantial replacement of these EVs in the automobile sector has led to decreasing the ecological emissions, vehicle maintenance and running costs. Mostly, EVs are driven by battery packs and charge these batteries through utility-grid integrated charging stations. It is noted that identifying such charging stations may impact the utility grid due to grid-islanding, Power-Quality (PQ) issues, power shortages and, scheduled load interruptions, so on. To overcome the problems above, the modern power generation corridor has been integrated into the utility grid by employing a solar-photovoltaic powered Distributed Generation (DG) scheme. In this regard, mitigation of various PQ issues and integration of solar-PV enabled DG into utility-grid/EV charging stations has been considered as the major problem statement. The main goal of this work is to enhance PQ issues and continuous active-power exchanging support to both EV charging stations and utility-grid levels by proposing a Multi-Functional Active Universal Power-Quality Conditioner (MF-AUPQC) device. The proposed MF-AUPQC device is impressively constituted in both DG and PQ mitigation modes by using a novel Generalized Voltage-Current Reference (GVCR) controller; it extracts the fundamental reference voltage-current signals. The main emphasis of this work is the designing, operation and performance of the proposed GVCR-controlled MF-AUPQC device has been investigated under both DG and PQ mitigation modes by using Matlab/Simulink computing tools, presenting the analysis and interpretation of simulation results.