Power plants – Combustion products used as motive fluid – Combined with regulation of power output feature
Patent
1989-01-04
1990-05-08
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
Combined with regulation of power output feature
60 39465, F02C 322, F02C 926
Patent
active
049227106
ABSTRACT:
An integrated boost compressor/gas turbine control system is provided in which a fuel gas boost compressor boosts the fuel gas pressure before supplying the fuel gas to the gas turbine control valves, namely the stop/speed ratio or pressure control valve and the gas control or volume valve, which in turn provide the fuel gas to the gas turbine. Pressure drops through these valves and hence boost power requirements are minimized by driving these valves to a fully open position under normal operating conditions, and using the valves in their normal control mode during other operating conditions such as start up and sudden load rejection. Thus, after startup operation, the system control is transitioned to the minimum system pressure drop of operation utilizing boost compressor flow control to control gas turbine fuel flow and hence gas turbine output power.
REFERENCES:
patent: 2625784 (1953-01-01), Starkey
patent: 2687273 (1954-08-01), Starkey
patent: 3104524 (1963-09-01), Flanders
patent: 3805519 (1974-04-01), Plotnick et al.
patent: 4087961 (1978-05-01), Avery
patent: 4716714 (1988-01-01), Takahashi et al.
Rowen William I.
Withey David J.
Casaregola Louis J.
General Electric Company
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