METHOD FOR CONTROLLING THE OPERATION OF A GAS TURBINE WITH SEQUENTIAL COMBUSTION

The invention relates to a method for controlling the operation of a gas turbine (10) with sequential combustion, which gas turbine (10) comprises a compressor (12) with variable inlet guide vanes (VIGV), a first combustor (13), a high-pressure turbine (14) downstream of said first combustor (13), a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LÜDDECKE, TORSTEN, SCHESNY, ANDREAS JAN, SIEWERT, PIOTR, DHITAL, RAJESHWOR, SCHIESSEL, PIRMIN
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 GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a method for controlling the operation of a gas turbine (10) with sequential combustion, which gas turbine (10) comprises a compressor (12) with variable inlet guide vanes (VIGV), a first combustor (13), a high-pressure turbine (14) downstream of said first combustor (13), a second combustor (16) downstream of said high-pressure turbine (14), and a low-pressure turbine (17) downstream of said second combustor (16) A prevention of exceeding targeted NOx emission limits as well as a prevention of component stress increase is achieved by adjusting an average TAT1 temperature (TAT1 AVG), if at least one local TAT1 measurement value is increasing above a predetermined threshold value during base load operation.