NOx adjustment method for gas turbine combustors

Details NOx adjustment method for gas turbine combustors NOx adjustment method for gas turbine combustors

2008-09-18

2011-10-11

Casaregola, Louis (Department: 3741)

Power plants

Combustion products used as motive fluid

Process

C060S746000

Reexamination Certificate

active

08033117

ABSTRACT:
A method for controlling NOx emissions from a gas turbine having a fuel adjustment system may include setting an outer nozzle fuel flow to achieve a desired level of combustion dynamics for at least one of a plurality of combustion chambers, determining a delta adjustment value for a center nozzle fuel flow that will result in a desired level of NOx emissions from the gas turbine, and adjusting the center nozzle fuel flow according to the determined delta adjustment value to obtain the desired level of NOx emissions from the gas turbine.

REFERENCES:
patent: 5024055 (1991-06-01), Sato et al.
patent: 5878566 (1999-03-01), Endo et al.
patent: 6092362 (2000-07-01), Nagafuchi et al.
patent: 7137258 (2006-11-01), Widener
patent: 7246002 (2007-07-01), Healy et al.
patent: 7284378 (2007-10-01), Amond et al.

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