37. саветовање CIGRE Србија (2025) СИГУРНОСТ, СТАБИЛНОСТ, ПОУЗДАНОСТ И RESILIENCE ЕЛЕКТРОЕНЕРГЕТСКОГ СИСТЕМА МУЛТИСЕКТОРСКО ПОВЕЗИВАЊЕ У ЕНЕРГЕТИЦИ И ПРИВРЕДИ – B5-06
АУТОР(И) / AUTHOR(S): Živko Sokolović, Mileta Žarković
DOI: 10.46793/CIGRE37.B5.06
САЖЕТАК / ABSTRACT:
Power transmission line is key equipment in secure and reliable power flow in each power system. To enhance the reliability and security of transmission lines, it is essential to simulate various types of faults to minimize their impact and enable their rapid detection and resolution. The objective of this paper is to provide an accurate method for detection, classification and localization of faults occurring in power transmission lines using Artificial Neural Network (ANN). Power transmission system was modelled in DIgSILENT PowerFactory, simulating both normal and fault scenarios. Three types of faults were considered for simulation: single-phase-to-ground fault, two-phase short circuit, and three-phase short circuit.
Each fault was simulated across the 110 kV power lines with a resolution of 5%. In addition to the fault scenarios, normal scenario was carried out using a load flow analysis, where the system’s load was varied. Voltage and current data from these simulations were utilized to train and test the ANN model. The proposed model achieved an accuracy of 100% in detecting fault types, a fault classification accuracy of 94% for identifying the fault line, and a mean absolute error (MAE) of 1.15 in pinpointing the exact fault position. These results demonstrate the model’s effectiveness in accurately identifying and localizing faults in power transmission lines, significantly contributing to the reliability and stability of power grid operations.
КЉУЧНЕ РЕЧИ / KEYWORDS:
ANN, transmission line, DIgSILENT, fault classification and localization
ПРОЈЕКАТ / ACKNOWLEDGEMENT:
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