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ORIGINAL RESEARCH article

Front. Energy Res.
Sec. Process and Energy Systems Engineering
Volume 12 - 2024 | doi: 10.3389/fenrg.2024.1323154
This article is part of the Research Topic Design, Simulation, and Optimization of Hybrid Energy Systems View all 5 articles

Frequency Stability Analysis of Power Grid during Photovoltaic generation in Hail region (Arabia Saudi)

Provisionally accepted
Omar Kahouli Omar Kahouli 1*Haitham Alsaif Haitham Alsaif 2Naim B. Ali Naim B. Ali 2Mohamed Chaabane Mohamed Chaabane 1
  • 1 University of Sfax, Sfax, Tunisia
  • 2 University of Hail, Ha'il, Hail, Saudi Arabia

The final, formatted version of the article will be published soon.

    Increases in power generated by renewable energy sources (RES) that suffer from low-moment inertia could be hazardous to the power system's capability to operate reliably and consistently. Because RESs do not have rotating parts, their penetration into modern power systems may result in a reduction in the system's inertia, which is directly related to the power grid stability issue. This reduction in rotational inertia associated with synchronous generation may increase the rate of frequency changes, reducing frequency control performance. It is important to investigate frequency stability under disturbances in such systems. The main objective of this research is to evaluate the technical viability of supplying an inertial response in power grids with high photovoltaic (PV) power penetration utilizing energy storage devices based on batteries. The case study of this work includes a 147.9 kW PV system connected to the national power grid of Hail City, which is located in the north of Riyadh, the capital of Saudi Arabia. In this paper, batteries are recommended to improve the stability of the frequency. The inertia of the proposed system varied via adjusting the penetration degree of RES. This evaluation was carried out using the voltage source inverter model under droop control. A detailed model provincial power network is built using MATLAB/Simulink to assess the effects of large-scale penetration of RES on frequency stability. Two important points that will distinguish our study from the other studies that use droop control inverters and battery systems are the same model.

    Keywords: Frequency stability analysis, Photovoltaic generation, Hail region, Energy Storage Devices, Matlab/Simulink

    Received: 17 Oct 2023; Accepted: 08 Jul 2024.

    Copyright: © 2024 Kahouli, Alsaif, Ali and Chaabane. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

    * Correspondence: Omar Kahouli, University of Sfax, Sfax, Tunisia

    Disclaimer: All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article or claim that may be made by its manufacturer is not guaranteed or endorsed by the publisher.