Operation analysis of fuzzy logic-based relay protection devices
Yerbolkyzy G. Tatkeyeva G. Uakhitova A.
April 2025Elsevier Ltd
Electric Power Systems Research
2025#241
The efficient operation of relay protection systems is essential for maintaining the stability of modern power grids. Previous research has explored fuzzy logic-based models to optimise relay settings, but these solutions often fall short in addressing the challenges posed by high distributed generation penetration and bidirectional power flows. These existing models are limited in their ability to adapt to real-time variations in grid conditions. The aim of the study was to assess the effectiveness and applicability of fuzzy logic-based relay protection devices in enhancing the reliability and optimisation of electric power systems. The study presented a fuzzy logic-based reliability assessment model for relay protection devices and presented a simulation modelling algorithm for the process of relay protection tripping. Mamdani model with “if-then” rule base based on Matlab program with 21 rules was used, as well as statistical and simulation data of SIPROTEC terminals of SIEMENS company for testing the operation of relay protection devices automated. The study analysed the performance of relay protection devices based on the application of fuzzy logic. Relay protection has been found to be a key element in ensuring the safety and reliability of electric power systems. The application of fuzzy logic enabled the effective consideration of a range of factors and variables. The advantages of using fuzzy logic such as adaptability, robustness to uncertainty, and integration of expert knowledge were analysed. The limitations and specific features of this approach were also considered, which required careful design and optimisation of the protection system.
Adaptive control , Control automation , Fault diagnosis , Intelligent systems , Protection efficiency , Reliability improvement
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Department of Electric Power Supply, S. Seifullin Kazakh Agrotechnical Research University, Astana, 010011, Kazakhstan
Department of Electric Power Supply
10 лет помогаем публиковать статьи Международный издатель
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