• Trisha I
• Dr. H N Latha
• Niharika Jain P N
• Shweta Suresh Kote
• V Moksha Jain

The advancement of urban infrastructure has increased the deployment of underground electrical cables, which, while aesthetically and safety-enhanced, pose significant challenges in fault detection and repair. To address this, an Arduino-based microcontroller system has been developed to accurately locate faults in underground cables. Utilizing Ohm's law, the system measures current variations to pinpoint fault locations. Key components include a power supply, cable simulation, control, tripping, and display units. This system not only detects faults but also indicates their exact distance, facilitating quick repairs and reducing downtime. This innovation offers a cost-effective, efficient solution for maintaining the reliability of underground electrical networks.

Here are some relevant keywords for this paper: 1. Underground cable fault detection 2. Arduino-based fault locator 3. Microcontroller fault detection system 4. Underground electrical cable systems 5. Fault distance locator 6. Ohm's law in fault detection 7. Current sensing circuits 8. Electrical infrastructure maintenance 9. Fault detection technology 10. Urban and suburban power distribution 11. Real-time fault identification 12. Power supply unit 13. Cable unit simulation 14. Control unit 15. Tripping unit 16. LCD display unit 17. Electrical outage reduction 18. Infrastructure development 19. Safety in electrical systems 20. Cost-effective fault detection solutions

"Underground Power Cable Fault Detection and Transformer Protection System", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.11, Issue 6, page no.c183-c189, June-2024, Available :http://www.jetir.org/papers/JETIR2406225.pdf

"Underground Power Cable Fault Detection and Transformer Protection System", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.11, Issue 6, page no. ppc183-c189, June-2024, Available at : http://www.jetir.org/papers/JETIR2406225.pdf