Blocked nozzle detection and remedial method and system

Details Blocked nozzle detection and remedial method and system Blocked nozzle detection and remedial method and system

F - Mech Eng,Light,Heat,Weapons

02

C

F02C 9/52 (2006.01) F01D 9/02 (2006.01) F02C 9/18 (2006.01)

Patent

CA 2737333

System and method for controlling a stuck nozzle system installed between first and second turbines connected in series to a compressor. The method includes determining whether the nozzle system is stuck; instructing the first turbine to increase a minimum speed reference when the nozzle system is stuck; verifying whether the nozzle system continues to be stuck; instructing the compressor to increase an inlet bleed heat (IBH) flow from a current value to a maximum value when the nozzle system is stuck; verifying whether the nozzle system continues to be stuck; and instructing the compressor to increase an inlet guide vanes (IGV) angle from a current value to a maximum value when the nozzle system is stuck.

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