Machine Learning-based Fault Detection and Classification in microgrid

Document Type : Research paper

Authors

1 Vice-Rector for Scientific Affairs and Innovation, International School of Finance Technology and Science, Uzbekistan.

2 Tashkent State University of Economics, Tashkent, Uzbekistan

3 Department of "Digital Economy", Samarkand State University Named after Sharof Rashidov, University Boulevard, 15, Samarkand, 703004, Uzbekistan.

4 Kimyo International University in Tashkent , Shota Rustaveli Street 156, 100121, Тashkent, Uzbekistan.

5 Department of Network Economics, Samarkand State University Named after Sharof Rashidov, University Boulevard, 15, Samarkand, 703004, Uzbekistan.

6 Department Physics and Chemistry, Tashkent Institute of Irrigation and Agricultural Mechanization Engineers National Research University, Tashkent, Uzbekistan.

7 Scientific University of Tashkent for Applied Sciences, Street Gavhar 1, Tashkent 100149, Uzbekistan.

8 Department of Digital Economy, Samarkand State University Named after Sharof Rashidov, University Boulevard, 15, Samarkand, 703004, Uzbekistan.

9 Department of General Sciences and Culture, Tashkent State University of Law, Uzbekistan.

10 Urganch State University, Uzbekistan.

11 Termez State University, Termez, Uzbekistan.

12 Department of Fundamental Economic Science of the International School of Finance Technology and Science, Uzbekistan.

10.22098/joape.2025.16912.2315

Abstract

Fault Detection and Classification plays a vital role in maintaining the reliability and stability of microgrids, especially as they incorporate renewable energy sources and become more decentralized. Microgrids face a wide variety of faults, such as short circuits, line-to-ground faults, and other disturbances, which can negatively affect system performance. Traditional fault detection methods have primarily focused on False Data Injection and cyber-attacks, emphasizing vulnerabilities in communication infrastructure. However, this study addresses current faults within the electrical network, focusing on system stability and real-time fault detection in the absence of communication-related errors. In this work, machine learning techniques are employed to enhance fault classification accuracy. Partial Least Squares is used for feature selection to extract relevant statistical features from real-time current data collected from various microgrid components. By optimizing these features and applying them to machine learning models, the approach overcomes the limitations of conventional fault detection methods. The results show a significant improvement in fault classification performance, with up to 10% higher accuracy compared to traditional methods. Additionally, the use of data from neighboring microgrid components boosts the model's robustness, adaptability, and performance under varying operational conditions, contributing to a more resilient microgrid. This research introduces an innovative approach to fault detection in microgrids by combining machine learning and feature optimization, offering a more accurate, reliable, and efficient solution to ensure continuous energy supply and improve system stability under different fault scenarios.

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Main Subjects


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Volume 12, Special Issue (Open)
Advanced Technologies for Resilient and Efficient Microgrid Management: Innovations in Energy Optimization, Security, and Integration
2024
Pages 43-52
  • Receive Date: 04 March 2025
  • Revise Date: 08 April 2025
  • Accept Date: 11 April 2025
  • First Publish Date: 11 April 2025