Gas turbine control apparatus and gas turbine system using...

Details Gas turbine control apparatus and gas turbine system using... Gas turbine control apparatus and gas turbine system using...

2007-06-26

2007-06-26

Casaregola, L. J. (Department: 3746)

Power plants

Combustion products used as motive fluid

Process

Reexamination Certificate

active

11191945

ABSTRACT:
In a gas turbine control apparatus, a frequency analyzing section frequency-analyzes at least one of pressure oscillation in combustors of a gas turbine and acceleration oscillation of each of the combustors and outputs a first frequency analysis result as the result of frequency analysis for a plurality of predetermined frequency bands. A control unit controls at least one of a first fuel flow rate of fuel and a first air flow rate of air based on the first frequency analysis result for the plurality of frequency bands. The fuel and the air are supplied to the gas turbine.

REFERENCES:
patent: 5575144 (1996-11-01), Brough
patent: 5791889 (1998-08-01), Gemmen et al.
patent: 6205765 (2001-03-01), Iasillo et al.
patent: 6522991 (2003-02-01), Banaszuk et al.
patent: 05-187270 (1993-07-01), None
patent: 06-147484 (1994-05-01), None
patent: 9-269107 (1997-10-01), None
patent: 11-324725 (1999-11-01), None

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