Prime-mover dynamo plants – Electric control – Engine control
Patent
1977-12-30
1983-11-29
Rubinson, Gene Z .
Prime-mover dynamo plants
Electric control
Engine control
415 17, F01B 2500
Patent
active
044182856
ABSTRACT:
A system and method for operating a turbine power plant, wherein a demand signal based upon load or total turbine steam flow required for a predetermined level of operation controls the value of individual signals representative of valve position for respective steam inlet valves in the single and sequential mode of operation, is disclosed. Each individual valve position signal, which is representative of a selected portion of the total demand signal, is dynamically calculated to reflect the effect of the pressure drop across the nozzles, and to correct for the number of inlet nozzles, associated with each valve. The total demand signal is modified in accordance with actual throttle pressure over a period of time that is dependent on the amount of throttle pressure change.
REFERENCES:
patent: 3400374 (1968-09-01), Schumann
patent: 3552872 (1971-01-01), Giras et al.
patent: 3555251 (1971-01-01), Shauit
patent: 3561216 (1971-02-01), Moore
patent: 3564273 (1971-02-01), Cockrell
patent: 3588265 (1971-06-01), Berry
patent: 3643437 (1972-02-01), Birnbaum et al.
Lardi Francesco
Podolsky Leaman B.
Ronnen Uri G.
Duncanson Jr. W. E.
Rubinson Gene Z .
Schron D.
Westinghouse Electric Corp.
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