Method of setting a main controlled variable during the operatio

Details Method of setting a main controlled variable during the operatio Method of setting a main controlled variable during the operatio

1996-03-01

1998-01-06

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

60 3927, 36443102, F02C 950

Patent

active

057042055

ABSTRACT:
In a method of setting a main controlled variable during the operation of a gas-turbine group, the gas-turbine group essentially comprises a compressor (40), at least one combustion chamber (43), at least one turbine (41) and a generator (46). A desired value (3) is compared with a measured value (4) and the resulting main control difference (5) is hierarchically allocated via a management unit (1) to at least one cascade (9, 18). The cascade (9, 18) is essentially composed of a main-controlled-variable controller (6, 15) and a downstream variable controller (8, 17) which acts on the respective variable actuator (14, 23).

REFERENCES:
patent: 4137707 (1979-02-01), Wanger
patent: 4173119 (1979-11-01), Greune et al.
patent: 4248040 (1981-02-01), Kast
patent: 5133182 (1992-07-01), Marcos

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