METHOD FOR OPERATING A COMBUSTION SYSTEM

The present invention relates to a method for operating a combustion system (10, 10a) of a combustion section (12) of a gas turbine engine (14) comprising at least one main burner arrangement (16) and at least one pilot burner arrangement (18), wherein the at least one main burner arrangement (16) a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ANDERSSON, MATS, LINDMAN, OLLE, ÖFVERSTEDT, TOMAS
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING BURNERS COMBUSTION APPARATUS COMBUSTION PROCESSES GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS HEATING LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	The present invention relates to a method for operating a combustion system (10, 10a) of a combustion section (12) of a gas turbine engine (14) comprising at least one main burner arrangement (16) and at least one pilot burner arrangement (18), wherein the at least one main burner arrangement (16) and the at least one pilot burner arrangement (18) are operated with an air-fuel mixture (20) and wherein the at least one main burner arrangement (16) is operated with O 2 -lean air (22), wherein the method comprises the steps of: Increasing the percentage of oxygen of the air-fuel mixture (20) of the at least one pilot burner arrangement (18) by feeding of air (24) having a higher percentage of oxygen than the O 2 -lean air (22).