Gas turbine apparatus

Details Gas turbine apparatus Gas turbine apparatus

2006-08-22

2006-08-22

Casaregola, Louis J. (Department: 3746)

Power plants

Combustion products used as motive fluid

Process

C060S039281

Reexamination Certificate

active

07093443

ABSTRACT:
A gas turbine apparatus has a combustor2for combusting fuel to produce a combustion gas, a turbine1which is rotated by the combustion gas, an electric generator5coupled to the turbine1, and a fuel flow control valve10configured to change an opening thereof The gas turbine apparatus includes a first PID processing unit16to adjust the opening of the fuel flow control valve10so as to maintain a rotational speed of the turbine1substantially at a constant value, and a second PID processing unit17to adjust the opening of the fuel flow control valve10so as to maintain a temperature of a discharged combustion gas at temperatures lower than a predetermined temperature. The gas turbine apparatus has an electric power controller21to control electric power to be generated by the electric generator5based on output values of the first PID processing unit16and the second PID processing unit17.

REFERENCES:
patent: 4188781 (1980-02-01), Johnson et al.
patent: 4922710 (1990-05-01), Rowen et al.
patent: 2002/0063479 (2002-05-01), Mitchell et al.
patent: 2002-129985 (2002-05-01), None

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