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Enhancing Voltage and Power Stability in Distribution System with Photovoltaic from the Benefits of Battery Energy Storage

Author

Listed:
  • Narate Charlangsut

    (Department of Electrical Engineering, Faculty of Engineering, Rajamangala University of Technology, Phra Nakhon, Bangkok 10800, Thailand)

  • Nattachote Rugthaicharoencheep

    (Department of Electrical Engineering, Faculty of Engineering, Rajamangala University of Technology, Phra Nakhon, Bangkok 10800, Thailand)

Abstract

This paper presents a method of enhancing voltage and power stability in a distribution system with the photovoltaic benefits of battery energy storage. The objective is to use photovoltaic-distributed generation and a battery energy storage system in order to reduce power loss to a minimum and generate a voltage up to or above 0.95 p.u, which is the voltage standard in Thailand. This paper used MATLAB (Version R2024b-acdemic use) to conduct test experiments, and the system for the case studies is an IEEE 33-bus radial distribution system. There are five study cases in this paper. Case 1 is before the installation of the photovoltaic and battery energy storage system. Case 2 is the installation of the photovoltaic-distributed generator in four buses. Case 3 is the installation of the photovoltaic-distributed generator in only one bus. Case 4 is the installation of the photovoltaic distributed generator in two buses that have the most voltage drop. Case 5 is the installation of the photovoltaic-distributing generator in four buses and the battery energy storage system in two buses. The results show that Case 5 is the best because the voltage drop is never below 0.95 per unit or below the lowest power loss.

Suggested Citation

  • Narate Charlangsut & Nattachote Rugthaicharoencheep, 2025. "Enhancing Voltage and Power Stability in Distribution System with Photovoltaic from the Benefits of Battery Energy Storage," Energies, MDPI, vol. 18(3), pages 1-16, January.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:3:p:577-:d:1577072
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