Journal of Green Energy Research and Innovation
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Detection and Determination of Short-Circuit Faulty Phases in Transmission Lines ‎Compensated with a PV-Connected Series Static Synchronous Compensator

Document Type : Research article

Authors

Mahyar Abasi 1
Ebrahim Khanfari 2

1 Department of Electrical Engineering, Faculty of Engineering, Arak University, Arak 38156-8-8349, Iran.

2 Department of Electrical and ICT, Faculty of Technical Engineering, Institute for Higher Education, ACECR, Khouzestan, Iran.

https://doi.org/10.61882/jgeri.2.4.67
Abstract
Fault detection and classification in transmission lines equipped with Flexible Alternating ‎Current Transmission System (FACTS) devices is one of the basic challenges in line protection. ‎In the event of a fault on one side of this equipment, relays installed at the other terminal often ‎struggle to detect the fault and determine the faulty phases due to control system interruptions ‎in the line. The Series Static Synchronous Compensator (SSSC) is a series-connected device in ‎transmission lines that addresses reactive power control challenges in the network. This study ‎proposes a highly accurate and fast algorithm to detect and classify various short-circuit faults ‎in transmission lines compensated with an SSSC. Crucially, the SSSC in this study is connected ‎via its DC link to a solar photovoltaic (PV) farm, specifically utilizing Trina Solar Vertex N ‎‎210R-N-66 panels, allowing it to act as both a reactive power compensator and a means to ‎seamlessly integrate this significant source of green energy into the grid. This integration ‎highlights the method’s relevance to modern renewable energy systems, particularly in ‎enhancing the protection and monitoring of solar-powered infrastructures. The algorithm ‎analyzes voltage signals from one side of the line, employing a discrete wavelet transform and ‎a decision-making algorithm. The proposed method was simulated and implemented for at least ‎‎4000 fault scenarios under normal and critical conditions. Based on the extensive fault ‎scenarios and reported results, the algorithm's performance accuracy is estimated to be ‎approximately 98%, demonstrating its potential in improving the reliability and performance of ‎smart and green power systems‎.‎

Graphical Abstract

Detection and Determination of Short-Circuit Faulty Phases in Transmission Lines ‎Compensated with a PV-Connected Series Static Synchronous Compensator

Highlights

❖ Design and Implementation of a Fault Phase Detection Algorithm for Transmission Lines Utilizing SSSC with Solar-Powered Energy Sources
❖ Formulation of a Fault Phase Detection Algorithm for Transmission Lines Based onLocal Terminal Voltage Signal Analysis
❖ Development of a Fault Phase Detection Algorithm Leveraging Traveling Wave 

Keywords

Fault Detection and Classification
Series Static Synchronous Compensator (SSSC)
Wavelet Transform in Power Systems
Renewable Energy Systems
Photovoltaic (PV) Integration

Declaration of Competing Interest

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. The ethical issues, including plagiarism, informed consent, misconduct, data fabrication and/or falsification, double publication and/or submission, redundancy, have been completely observed by the authors.

 

Credit Authorship Contribution Statement

Mahyar Abasi: Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Resources, Software, Supervision, Roles/Writing - original draft, Writing-review & editing. Ebrahim khanfari: Formal analysis, Methodology, Software, Visualization.

 

Bibliography

Mahyar Abasi was born in Iran, in 1989. He received the Ph.D. degree in electrical power engineering from Shahid Chamran University of Ahvaz, Ahvaz, Iran, in 2021. He is currently an Assistant Professor with the Electrical Engineering Department, Arak University, Arak, Iran. In 2021, he was introduced as the top researcher of Khuzestan Province, Iran. From 2021 to 2023, he successfully received four titles from the membership schemes of the National Elite Foundation in Iran. His research background is more than 60 published journal and conference papers, more than ten authored books, 11 industrial research projects, and a patent in power systems. His specialized interests are fault protection, detection, classification, and location in HVAC and HVDC transmission lines, control of reactive power and FACTS devices, evaluation and improvement of power quality, and power system studies.

Ebrahim khanfari was born in 1989 in Iran. He received his bachelor's degree in Transmission Network Technology Engineering in 2017 from Khuzestan University of Applied Sciences, Faculty of Water and Electricity. He is currently a master's student in power engineering at Institute for Higher Education, ACECR, Khouzestan, Iran. His expertise is in the field of protection of power systems and FACTS devices.

Citation

M. Abasi, and E. Khanfari, "Detection and Determination of Short-Circuit Faulty Phases in Transmission Lines Compensated with a PV-Connected Series Static Synchronous Compensator," Journal of Green Energy Research and Innovation, vol. 2, no. 4, pp. 67-85, 2025.

 

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  • Receive Date 02 July 2025
  • Revise Date 02 August 2025
  • Accept Date 05 September 2025
  • Publish Date 01 December 2025

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