Fuel trim method for a multiple chamber gas turbine combustion s

Details Fuel trim method for a multiple chamber gas turbine combustion s Fuel trim method for a multiple chamber gas turbine combustion s

1992-12-30

1994-06-14

Casaregola, Louis J.

Leather manufactures

Machines

Rotary tool

60 39281, E02C 928

Patent

active

053199316

ABSTRACT:
A fuel trimming unit has been adapted to each combustion chamber in a multi-chamber combustor of an industrial gas turbine. The fuel trim unit matches the combustion air flow into each combustion chamber. This adjusts the fuel-air mixture to account for air flow variations into the individual combustion reaction zones of each combustion chamber. Because of the fuel trim unit, a uniform fuel-air mixture is provided to each combustion chamber in a gas turbine. The fuel trim unit is adjusted using sensor inputs of the fuel flow rate to each combustion chamber, the dynamic pressure in each combustion chamber, and the turbine exhaust temperature.

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The American Society of Mechanical Engineers, "Development of a Natural Gas-Fired, Ultra-Low NOx Can Combustor for an 800 KW Gas Turbine," K. O. Smith et al., 91-GT-303, pp. 1-7.

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