AIR LIQUIDE SHUTS DOWN UNEXPECTEDLY A TURBINE SHUTS DOWN A TURBINE RESTART PROBLEMS C TURBINE SHUTS DOWN SPP AIR SYSTEM SAGS B TURBINE SHUTS DOWN Main electrical breaker trip Lost 105 MMSCFD H Lost 174 MLB/HR Steam Shut in 14 MMSCFD Fuel Gas Fuel Gas Pressure Surge Fuel Gas >20 psig increase A TG shuts down – over fire. BC TG’s ride through surge Fuel Gas controls in manual Lost +240 MLB/HR Steam generating capacity initiates steam curtailment 600# Steam sags to 400# Steam injection to TG’s shutoff Lost Air compressors GB, GB Steam condensate in Steam Inj. Line blown by air purge C TG shuts down – out fire Lost +240 MLB/HR Steam generating capacity Electric relay problems Failure to sync with grid Steam generation fora half hour period 600# raises again to 600# and resets air purge solenoid on Steam Inj. and then falls back down Air purge for Steam Inj. reset on all turbines PCV-905 Refinery Makeup Air control valve is faulty B Turbine air outlet check valve failed closed Air system sags to 15# B TG shuts down – over fire Fuel Gas controls sloppy due to low air pressure Lost +240 MLB/HR Steam generating capacity U Unicracker units shutdown and depressurize to flare
