The reliable operation of power transmission systems is essential for maintaining the stability and efficiency of the electrical grid. Rapid and accurate detection of faults in transmission lines is crucial for minimizing downtime and preventing cascading failures. This research presents a novel approach to fault detection and classification in transmission lines employing 2D Convolutional Neural Networks (2D-CNN).The proposed methodology leverages the inherent spatial characteristics of fault signals, converting them as 2D scalogram images for input to the CNN model. By converting fault signals into scalogram representations, the network can capture both temporal and frequency domain features, enabling a more comprehensive analysis of fault patterns. The 2D-CNN architecture is designed to automatically learn hierarchical features, allowing for effective discrimination between different fault types. To evaluate the performance of the proposed approach, extensive simulations and experiments were conducted using MATLAB/SIMULINK modeled transmission line data. The results demonstrate the superior fault detection accuracy and classification capabilities of the 2D-CNN model. The performance of the proposed model is evaluated using 10-fold cross-validation, and its effectiveness is assessed by comparing it with current state-of-the-art techniques. Proposed 2D-CNN model has evidenced an accuracy of 99.9074 with ideal dataset for 12- class fault classification and performing consistently in presence of noise, having an accuracy of 99.629 %,99.72 % and 99.814 % in 20.30 and 40 dB noises respectively. The proposed model also verified in high resistance fault condition. The model exhibits robustness to noise and is capable of generalizing well to various fault scenarios. The proposed methodology offers a scalable and efficient solution for transmission line fault analysis, paving the way for the integration of advanced machine learning techniques into the operation and maintenance of power transmission infrastructure.

Applied Science Research Center Applied Science Private University Amman 11931 Jordan

College of Engineering University of Business and Technology Jeddah 21448 Saudi Arabia

Department of Electrical and Electronics Engineering Siksha 'O' Anushandhan deemed to be University Bhubaneswar Odisha PIN 751030 India

Department of Electrical Engineering Siksha 'O' Anushandhan deemed to be University Bhubaneswar Odisha PIN 751030 India

Electrical Engineering Department Taif University Saudi Arabia

Energy Processes Environment and Electrical Systems Unit National Engineering School of Gabes University of Gabes Gabes 6029 Tunisia

ENET Centre VSB Technical University of Ostrava Ostrava Czech Republic

MEU Research Unit Middle East University Amman 11831 Jordan

Private Higher School of Applied Sciences and Technology of Gabes University of Gabes Gabes 6029 Tunisia

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