Day 1

• Introduction to protection
• Reading a three line diagram and schematic diagram
• Construction and operating principles of electromechanical relays (induction disk, plunger type, magnetic attraction type)
• Construction and operating principles of microprocessor relays.
• How to read characteristic curves
• How to use characteristic curves to come up with operating times
• How is directionality determined
• Operating and polarizing quantities
• Hands on testing of overcurrent relays

Day 2: Hands on testing of over/under voltage relays
and over/under frequency relays

Day 3: Hands on testing of directional over current relays