Control system

Details Control system Control system

1978-10-04

1980-12-16

Garrett, Robert E.

Power plants

Combustion products used as motive fluid

Combined with regulation of power output feature

F02C 904

Patent

active

042389240

ABSTRACT:
An output control system for a gas turbine, comprising a fuel flow control valve provided in the fuel supply circuit of the gas turbine for continuously regulating the flow rate of the fuel to be supplied to the combustor of the turbine, and a control circuit for operating the valve to enable the gas turbine to produce a constant output speed, the control circuit including a proportional-plus-integral action network for producing a signal variable with the output speed of the gas turbine, load-change detecting means responsive to an abrupt change in the amount of load on the gas turbine for producing a signal representative of such a change, and an integrator output modifier responsive to the signal from the load-change detecting means for modifying the output signal from the integrator in the proportional-plus-integral action network in such a manner that the delay in the response of the integrator to an input signal is eliminated or at least reduced to a minimum.

REFERENCES:
patent: 3600888 (1971-08-01), Nethken et al.
patent: 3609384 (1971-09-01), Strohmeyer
patent: 3832846 (1974-09-01), Leeson
patent: 3969890 (1976-07-01), Nelson
patent: 4146270 (1979-03-01), Nurnberger et al.

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