METHOD FOR OPERATING A GAS TURBINE ASSEMBLY AND GAS TURBINE ASSEMBLY

A gas turbine assembly (1) extends along a longitudinal axis (A) and comprises a compressor (2), a combustor assembly (4) and at least one gas turbine (5); the compressor (2) comprising an inlet (9) supplied with air and an outlet (10) through which the air compressed by the compressor (2) flows; the outlet (10) of the compressor (2) coming out into a plenum (3), which is in fluidic communication with the combustor assembly (4); the combustor assembly (4) comprising at least one combustor (15) coupled to the gas turbine (5) and provided with a plurality of burners (18); the gas turbine assembly (1) being provided with a control device (8) configured to control the combustor assembly (4) on the basis of at least one parameter (Ppl) indicative of the pressure of the air measured in the plenum (3).