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Identification of Electrical Faults in Underground Cables using Machine Learning Algorithm
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1  B.S.Abdur Rahman Crescent Institute of Science and Technology


Transmission and distribution play a vital role in delivering electricity. Presence of any fault in these systems may stop the delivery of electricity, which may create a huge problem in today’s world. Hence, fault detection has become essential for delivering uninterrupted power supply. In this work, a portable and intelligent system is designed, and the fault detection on underground transmission lines is done using developed hardware system. Also, the proposed system has a thermal camera which is an 8x8 array of infrared thermal sensors interfaced with a system-on-chip device, which collects the real-time thermal images when connected to the device. Further, the thermal camera returns an array of 64 individual infrared temperature readings, of the transmission line and locates the point of damage which might occur due to the aging of conductor insulation, physical force, etc. Also, 200 images with thermal information from the different instances and directions are utilized to train the adapted machine learning algorithm. The python software is utilized to code the machine learning algorithm inside the system-on-chip device. The convolutional neural network-based machine learning algorithm is adopted and it is validated using various performance metrics such as accuracy, sensitivity, specificity, precision, negative predicted value, and F1_score. Results demonstrate that the proposed hardware is highly capable of locating faults in underground transmission lines.

Keywords: convolutional neural network; electrical faults; system on-chip; transmission line