Impacts of Electric Vehicle Charging Station with Photovoltaic System and Battery Energy Storage System on Power Quality in Microgrid

Pavel Stanko, Matej Tkac, Martina Kajanova () and Marek Roch
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Pavel Stanko: Faculty of Electrical Engineering and Information Technology, University of Zilina, 010 26 Zilina, Slovakia
Matej Tkac: Faculty of Electrical Engineering and Information Technology, University of Zilina, 010 26 Zilina, Slovakia
Martina Kajanova: Faculty of Electrical Engineering and Information Technology, University of Zilina, 010 26 Zilina, Slovakia
Marek Roch: Faculty of Electrical Engineering and Information Technology, University of Zilina, 010 26 Zilina, Slovakia

Energies, 2024, vol. 17, issue 2, 1-22

Abstract: The expected increase in electric vehicles necessitates an expansion in charging stations. However, this increase could introduce issues to the power grid, such as the deterioration of voltage stability and an increase in microgrid loading. To address these issues, innovative solutions are imperative. One potential solution is the implementation of charging control mechanisms. This paper analyzes the impact of a residential charging station on a low voltage microgrid from the power quality point of view using a one-year operation simulation. Thirty-seven charging station scenarios with different locations within the network were examined, including instances with no charging control and various combinations involving charging control, photovoltaic power plant, and battery energy storage system. The simulation results of the charging station without charging control show a decrease in some power quality indicators, such as exceeding voltage change thresholds after charging station connection and increasing power losses. On the contrary, the scenarios implementing charging control and local resources effectively mitigate the adverse effects of charging stations on the microgrid.

Keywords: low voltage microgrid; Pandapower; control charging; electric vehicle charging; power quality (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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