The KJ36A intelligent power supply monitoring system for coal mines applies fast and reliable relay protection technology, network-based anti-leapfrog tripping protection technology, and high-precision high and low voltage accurate leakage detection technology to ensure safe, reliable, and stable operation of mine power supply. The system covers power supply and distribution locations such as substation above and below the mine shaft, distribution points, and mining faces, providing a comprehensive intelligent solution for primary, secondary, and auxiliary control systems of power supply, as well as integrated management of mine backup power supply. It also offers a series of services including mine energy consumption management, paperless operation and maintenance, fault diagnosis and analysis, and health management of electromechanical equipment, thereby enhancing the operational efficiency of mine electromechanical systems.