Daftar Isi:
  • One of the most important electrical equiments the protector, where over current relay and ground fault relay which used in Main Switch Station. The Over Current Relay adn Ground Fault Relay is used as a protector if the current in trouble. The main of this last assigmnent are transformer, the line, dan kind of the conductor. This last assigment was created with reaserch at PT. Bukit Asam (Persero). From the reaserch, get the setting value of over current relay 15 A and value of Ground Fault Relay 0.57 A. The setting time over current relay 0.157 and setting time ground fault relay 0.971 s.