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1. WO1996006268 - METHOD AND APPARATUS FOR REGULATING AND AUGMENTING THE POWER OUTPUT OF A GAS TURBINE

Publication Number WO/1996/006268
Publication Date 29.02.1996
International Application No. PCT/US1995/010330
International Filing Date 15.08.1995
Chapter 2 Demand Filed 15.03.1996
IPC
F01K 21/04 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
21Steam engine plants not otherwise provided for
04using mixtures of steam and gas; Plants generating or heating steam by bringing water or steam into direct contact with hot gas
CPC
F01K 21/047
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
21Steam engine plants not otherwise provided for
04using mixtures of steam and gas; Plants generating or heating steam by bringing water or steam into direct contact with hot gas
047having at least one combustion gas turbine
Applicants
  • WESTINGHOUSE ELECTRIC CORPORATION [US/US]; Westinghouse Building, Gateway Center Pittsburth, PA 15222-1384, US
Inventors
  • CHEN, Allen, G.; US
  • SOUTHALL, Leslie, R.; US
Agents
  • PANIAN, Michael, G. ; Westinghouse Electric Corporation Westinghouse Building Gateway Center Pittsburgh, PA 15222, US
Priority Data
08/295,11424.08.1994US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METHOD AND APPARATUS FOR REGULATING AND AUGMENTING THE POWER OUTPUT OF A GAS TURBINE
(FR) PROCEDE ET APPAREIL DE REGULATION ET D'AUGMENTATION DE LA PUISSANCE D'UNE TURBINE A GAZ
Abstract
(EN)
A method of operating a gas turbine in which variations in power requirements are accomplished by varying the rate of steam injection into the combustor while maintaining the temperature of the fluid flowing to the turbine at a constant value. The steam injection flow rate is varied by varying the pressure in the evaporator of an HRSG that receives exhaust gas from the turbine. Preferably, the flow area of the turbine is increased so as to allow the use of especially high rates of steam injection.
(FR)
Procédé d'exploitation d'une turbine à gaz dans laquelle les variations de puissance nécessaires s'obtiennent en faisant varier le débit de vapeur injectée dans la chambre de combustion, tout en maintenant constante la température du fluide alimentant la turbine. Le débit de vapeur injectée se règle en faisant varier la pression de l'évaporateur d'un générateur de vapeur à récupération de chaleur qui reçoit les gaz d'échappement de la turbine. La section de passage de la turbine est de préférence agrandie pour permettre des débits d'injection de vapeur particulièrement élevés.
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