Method of controlling a gas combustor of a gas turbine

Details Method of controlling a gas combustor of a gas turbine Method of controlling a gas combustor of a gas turbine

2008-05-13

2008-05-13

Kim, Ted (Department: 3746)

Power plants

Combustion products used as motive fluid

Process

C060S737000, C060S748000, C060S039826

Reexamination Certificate

active

11129453

ABSTRACT:
A gas combustor has a peripheral premix burner, and a central diffusion burner whose nozzle defines an eccentric first channel housing an ignition device, an axial second channel, and a third channel interposed radially between the first and second channel; the gas combustor is controlled, at a first start-up step, to keep the peripheral burner off and to feed a fuel gas stream along the third channel; at a second step, after a given load is exceeded, the peripheral burner is activated, and the gas stream in the central burner continues to be fed along the same channel as at the first step, and is regulated to reduce its flow to a value greater than zero.

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patent: 0809072 (1997-11-01), None
Maghon, et al., Progress in NOxand CO Emission Reduction of Gas Turbines, The American Society of Mechanical Engineers, Symposia Series, New York, NY, Oct. 21, 1990, pp. 1-7.
European Search Report dated Jan. 19, 2006.

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