🎗🎗🎗Types of Relay Testing >>Explained Simply (A reminder from the field why protection engineering truly matters) Protective relays are the first line of defense in power systems. Their performance during faults decides whether equipment is saved-or lost. That's why relay testing is non-negotiable before energization and during maintenance. ✅️KEY Types of Relay Testing: 👍Primary Injection Test Validates the entire protection chain by injecting current through CTs, wiring, and the relay-confi