Method for operating a combined cycle power plant

In the case of a method for operating a combined cycle power plant (10), which has a gas turbine installation (11) and a water-steam cycle (21) which is connected to the gas turbine installation (11) by means of a waste heat steam generator (24) and has at least one steam turbine (23). The gas turbi...

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Bibliographische Detailangaben
Hauptverfasser:	BROESAMLE, STEFAN, RUCHTI, CHRISTOPH
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES GAS-TURBINE PLANTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION STEAM ACCUMULATORS STEAM ENGINE PLANTS STEAM ENGINES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	In the case of a method for operating a combined cycle power plant (10), which has a gas turbine installation (11) and a water-steam cycle (21) which is connected to the gas turbine installation (11) by means of a waste heat steam generator (24) and has at least one steam turbine (23). The gas turbine installation (11) includes a compressor (13), a combustion chamber (14) and a turbine (16). To cool the turbine (16), air compressed at the compressor (13) is removed, is cooled in at least one cooler (18, 19) flowed through by water thus generating steam and is introduced into the turbine (16). At least with the gas turbine installation (11) running, prior to or during the start-up of the water-steam cycle (21), waste heat which is contained in the steam generated in the at least one cooler (18, 19), is used to good effect for pre-heating the installation inside the combined cycle power plant (10).