Monday, January 29, 2024

Dadri stage-1 Turbine Interlock & Protection

 Dadri stage-1 Turbine Interlock & Protection

  • Lub Oil Pr: Alarm=2.0 ksc. Trip=1.88 ksc Effect: Turbine Trips, Barring gear Protection Close,Vacuum Breaker Opens
  • Drum Level V. High: +/- 225 mm
  • Vacuum : Alarm>0.2 ksc, Trip:>0.3 Ksc
  • MST: Arming: 510 Deg C, Alarm : 500, Trip: 480
  • Fire Protection on MOT level Low: Alarm=0 mm, Trip: -100 mm
  • Overspeed: 3300 rpm
  • Stator Water Flow Low: Alarm<21m3/hr, Trip<13m3/hr
  • Stator Water conductivity High: alarm>13, Trip>20
  • FP-1: Turbine Trips & VB Opens
  • FP-2: Turbine Trips, VB Opens, AOP-1,2, JOP-1,2, Barring Gear OFF, DC JOP & DCEOP starts. SLC AOP & SLC JOP off. SLC EOP ON

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