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2026, Vol: 15, Issue: 1
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Technical Note
Online Published: 04 Mar 2025
 


Transient Stability Enhancement in Microgrids:: Critical Clearing Time Assessment for Sequential Symmetrical and Asymmetrical Faults with PSS-SVC Coordination

Siradj Younes, Sid Ahmed Tadjer, Fathia Chekired.


Abstract
The widespread integration of renewable energy sources, such as photovoltaic (PV) and wind power, poses significant challenges to power system stability. This study investigates the combined effect of a Power System Stabilizer (PSS) and a Static Var Compensator (SVC) in enhancing transient stability during sequential symmetrical and asymmetrical faults. A modified IEEE 9-bus system was used, with PV arrays connected to Buses 5 and 6 and a wind farm integrated at Bus 8. Simulations were conducted using ETAP 20.2, with Critical Clearing Time (CCT) calculated and frequency/voltage variations analyzed. The results demonstrate that the coordinated use of PSS and SVC significantly improves system stability, increasing CCT values and damping critical oscillations. The system showed enhanced resilience to sequential faults, providing practical solutions for renewable energy integration challenges. The key conclusion is that PSS-SVC coordination effectively enhances the flexibility of power systems under high renewable energy penetration.

Key words: Sequential faults, Transient stability, CCT, PSS-SVC, PV-Wind.


 
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How to Cite this Article
Pubmed Style

Younes S, Tadjer SA, Chekired F. Transient Stability Enhancement in Microgrids:: Critical Clearing Time Assessment for Sequential Symmetrical and Asymmetrical Faults with PSS-SVC Coordination. Sol. Energy Sustain. Dev.. 2025; 14(1): 182-198.

doi:10.51646/jsesd.v14i1.478

Web Style

Younes S, Tadjer SA, Chekired F. Transient Stability Enhancement in Microgrids:: Critical Clearing Time Assessment for Sequential Symmetrical and Asymmetrical Faults with PSS-SVC Coordination. https://www.jsesd.org/?mno=302658345 [Access: November 12, 2026].

doi:10.51646/jsesd.v14i1.478

AMA (American Medical Association) Style

Younes S, Tadjer SA, Chekired F. Transient Stability Enhancement in Microgrids:: Critical Clearing Time Assessment for Sequential Symmetrical and Asymmetrical Faults with PSS-SVC Coordination. Sol. Energy Sustain. Dev.. 2025; 14(1): 182-198.


doi:10.51646/jsesd.v14i1.478

Vancouver/ICMJE Style

Younes S, Tadjer SA, Chekired F. Transient Stability Enhancement in Microgrids:: Critical Clearing Time Assessment for Sequential Symmetrical and Asymmetrical Faults with PSS-SVC Coordination. Sol. Energy Sustain. Dev.. (2025), [cited November 12, 2026]; 14(1): 182-198.


doi:10.51646/jsesd.v14i1.478

Harvard Style

Younes, S., Tadjer, . S. A. & Chekired, . F. (2025) Transient Stability Enhancement in Microgrids:: Critical Clearing Time Assessment for Sequential Symmetrical and Asymmetrical Faults with PSS-SVC Coordination. Sol. Energy Sustain. Dev., 14 (1), 182-198.


doi:10.51646/jsesd.v14i1.478

Turabian Style

Younes, Siradj, Sid Ahmed Tadjer, and Fathia Chekired. 2025. Transient Stability Enhancement in Microgrids:: Critical Clearing Time Assessment for Sequential Symmetrical and Asymmetrical Faults with PSS-SVC Coordination. Solar Energy and Sustainable Development, 14 (1), 182-198.


doi:10.51646/jsesd.v14i1.478

Chicago Style

Younes, Siradj, Sid Ahmed Tadjer, and Fathia Chekired. "Transient Stability Enhancement in Microgrids:: Critical Clearing Time Assessment for Sequential Symmetrical and Asymmetrical Faults with PSS-SVC Coordination." Solar Energy and Sustainable Development 14 (2025), 182-198.


doi:10.51646/jsesd.v14i1.478

MLA (The Modern Language Association) Style

Younes, Siradj, Sid Ahmed Tadjer, and Fathia Chekired. "Transient Stability Enhancement in Microgrids:: Critical Clearing Time Assessment for Sequential Symmetrical and Asymmetrical Faults with PSS-SVC Coordination." Solar Energy and Sustainable Development 14.1 (2025), 182-198. Print.


doi:10.51646/jsesd.v14i1.478

APA (American Psychological Association) Style

Younes, S., Tadjer, . S. A. & Chekired, . F. (2025) Transient Stability Enhancement in Microgrids:: Critical Clearing Time Assessment for Sequential Symmetrical and Asymmetrical Faults with PSS-SVC Coordination. Solar Energy and Sustainable Development, 14 (1), 182-198.


doi:10.51646/jsesd.v14i1.478

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