Wednesday, December 11, 2019

Unit Start Up Procedure 500 MW

Turbine and TDBFP Overspeed & Oil Injection Test Procedure


Oil Injection of Main Turbine:
  • Press Test Valve
  • Turn Test Hand-wheel Anticlockwise slowly ( to develop Test Oil)
  • Note Turbine Speed, Test Oil Pressure, Primary Oil Pressure when Bolts Operate(Aux Trip Oil becomes 0)
  • Turn Test Hand-wheel Clockwise slowly (Test Oil pressure becomes 0)