Investigating the Impact of Grid-Tied Photovoltaic System in the Aljouf Region, Saudi Arabia, Using Dynamic Reactive Power Control

Abdelaziz Salah Saidi (), Fahad Alsharari, Emad M. Ahmed, Saad F. Al-Gahtani, Shaik Mohammad Irshad and Sami Alalwani
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Abdelaziz Salah Saidi: Electrical Engineering Department, College of Engineering, King Khalid University, Abha 61421, Saudi Arabia
Fahad Alsharari: Department of Electrical Engineering, College of Engineering, Jouf University, Sakaka 72388, Saudi Arabia
Emad M. Ahmed: Department of Electrical Engineering, College of Engineering, Jouf University, Sakaka 72388, Saudi Arabia
Saad F. Al-Gahtani: Electrical Engineering Department, College of Engineering, King Khalid University, Abha 61421, Saudi Arabia
Shaik Mohammad Irshad: Electrical Engineering Department, College of Engineering, King Khalid University, Abha 61421, Saudi Arabia
Sami Alalwani: Electrical and Electronics Engineering Department, Yanbu Industrial College, Royal Commission for Yanbu, Yanbu 41912, Saudi Arabia

Energies, 2023, vol. 16, issue 5, 1-37

Abstract: Due to uncertain photovoltaic (PV) power generation, analyzing the voltage stability of transmission networks with a large PV plant is challenging. The stability of PV output power is a critical factor in establishing PV penetration levels in active transmission networks when assessing loading capabilities. Therefore, this article contributes to enhancing the understanding of how a static synchronous compensator (STATCOM) could be used as part of the power system network. STATCOMs are often used to improve the static and transient voltage, maintain transmission limits, and reduce low-frequency disturbances. With the help of a STATCOM unit, a proper investigation and analysis of dynamic voltage stability in a transmission system are presented. The validity of the study is evaluated by the Saudi Arabia grid code (SAGC). The system being tested is comprised of a 300 MW PV plant in Sakaka, Saudi Arabia, integrated into a 17-bus transmission power network and a STATCOM, which is employed at one of the buses. PSAT software is used to evaluate a number of case studies to determine the transient voltage stability with and without the STATCOM and the PV plant. The simulation findings demonstrate how STATCOM functions to improve the quality of the power system in accordance with the SAGC. In addition, the analysis of voltage stability demonstrates that the power network’s resilience to short circuits at the PV system’s grid connection point significantly impacts the voltage’s dynamic behavior.

Keywords: solar photovoltaic generator; STATCOM; power quality; transient stability; power transmission; Saudi Arabia grid code (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: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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