Fuel trim system for a multiple chamber gas turbine combustion s

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

1994-11-30

1997-09-02

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Combined with regulation of power output feature

60734, F02C 928

Patent

active

056619693

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.

REFERENCES:
patent: 4949538 (1990-08-01), Iasillo et al.
patent: 5365732 (1994-11-01), Correa

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