Power Guard is a Ultra-Early Partial Discharge Monitoring & Diagnostics Solution for high-voltage electrical equipment. Using full-band sensing and AI-based feature analysis, it accurately identifies early-stage discharge activity and insulation degradation risks. The Solution analyzes discharge patterns and severity levels to support proactive maintenance planning, reducing the risk of power outages and equipment damage. It is designed for substations, switchgear, and heavy electrical infrastructure, enhancing the stability and safety of power systems.