COMBUSTOR ASSEMBLY FOR A GAS TURBINE ASSEMBLY, GAS TURBINE ASSEMBLY AND METHOD FOR OPERATING A COMBUSTOR ASSEMBLY FOR A GAS TURBINE ASSEMBLY

A combustor assembly (3) for a gas turbine assembly (1) comprising: • at least one combustor unit (10) provided with a premix combustor (15); • a water/steam injection assembly (48) comprising a water/steam source (49) and a water/steam circuit (50) configured to supply water/steam to the at least one combustor unit (10) of the combustor assembly (3); the water/steam circuit (50) comprising, for each combustor unit (10), at least one injecting layout (53), which is arranged in at least one air channel (42; 44; 31) of the combustor unit (10).