BURNER ASSEMBLY FOR A GAS TURBINE PLANT, GAS TURBINE PLANT COMPRISING SAID BURNER ASSEMBLY AND METHOD FOR OPERATING SAID PLANT

摘要

A burner assembly for a combustion chamber (4) of a gas turbine plant (1) extending along an axis (B) is provided with a main burner (13), which is supplied with a main air flow rate (QAp) and with a main fuel flow rate (QCp) and is configured to create a main combustion area; a secondary burner (14), which is supplied with a secondary air flow rate (QAs) and a secondary fuel flow rate (QCs) and is configured to create at least one secondary combustion area; the secondary burner (14) extending substantially along the axis (B) and the main burner (13) extending around the secondary burner (14) parallel to the axis (B); the main burner (13) being provided with at least one main detecting device (25; 124; 224) configured to detect the current main air flow rate (QAp); the secondary burner (14) being provided with at least one secondary detecting device (40; 130) configured to detect the current secondary air flow rate (QAs).