Normally main oil pump (MOP) will feed the required lub oil to turbine governor and lubrication. If the pressure drops to 5.3 kg/cm2 6.6 kV 373 kW Aux. Oil Pump will start. If further pressure falls to <0.65 kg/cm2 Flushing Oil Pump will start. If further pressure drops <0.35 kg/cm2 Emergency Oil Pump will start.
Lubricating oil inlet temperature will be 40°C and outlet temperature will be 70°C.
