Power plants – Combustion products used as motive fluid
Patent
1997-04-25
1999-10-19
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
60 39141, 60 39142, F02C 726
Patent
active
059669250
ABSTRACT:
A method of controlling a gas turbine electric power plant comprises the steps of: prescribing the relationship between a time elapsed after a predetermined reference time (e.g., ignition time) in a predetermined process (e.g., the starting process) and a revolution speed of a turbine shaft in accordance with a first function (7); prescribing the relationship between a revolution speed of the turbine shaft and a flow rate of fuel to be supplied to a combustor (4) in accordance with a second function (10); measuring an actual revolution speed of the turbine shaft at the time elapsed; rotating the turbine shaft by a starting equipment (6) for driving the turbine shaft in such a way that the measured actual revolution speed becomes the revolution speed corresponding to the time elapsed prescribed in accordance with the first function; and obtaining a flow rate of fuel corresponding to the actual revolution speed in accordance with the second function, to supply the obtained fuel flow rate to the combustor (4).
REFERENCES:
patent: 2463964 (1949-03-01), Graf
patent: 4341071 (1982-07-01), Abo et al.
patent: 4378673 (1983-04-01), Abo et al.
Fujisawa Takashi
Ishibashi Kazutoshi
Torikai Takayuki
Casaregola Louis J.
Kabushiki Kaisha Toshiba
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