The primary duty of Relay Tester is to install, maintain, and repair elaborate, protective relaying schemes. The tester should take responsibility for the remote control and data systems. They must also look into the protection of metering and other settings. The tester is responsible for placing the equipment in proper functioning conditions. They use standard schematic or wiring diagram to repair all relay and protective equipment that includes supervisory or carrier current relay equipment.
The professional will examine and evaluate the control circuits, control equipment, voltage regulators, batters, and other related equipment. The Relay Tester must have the ability to understand and interpret diagrams and blue prints. They should be willing to work with energized electrical and mechanical equipment. The tester plays an active role in maintaining regular types of relays and associated equipment connected with a single trip function in an active status.