GAS TURBINE UNIT WITH MULTIFLUID FUEL SUPPLY AND METHOD OF SUPPLYING A BURNER OF A GAS TURBINE UNIT

摘要

A gas turbine unit including a combustion chamber (5) provided with a plurality of burner assemblies (15) and a supply system (8), configured to supply fuel to the burner assemblies (15). Each burner assembly (15) includes a respective lance injector (20; 120) having a plurality of first nozzles (60; 160) and a first internal fluid line (58; 158) fluidically coupled with the first nozzles (60; 160). The supply system (8) includes a first fuel supply line (10) and an inert supply line (12), configured to respectively supply a primary fuel and an inert fluid to the first nozzles (60; 160) through the first internal fluid line (58; 158).