METHOD FOR DETECTING BURNER FAILURE

A method (100) for detecting a burner failure in a gas turbine engine (10) that has a combustor (16) and a turbine (40) disposed downstream of the combustor (16). The combustor (16) has a plurality of burners (50) arranged annularly. The method (100) includes providing a plurality of temperature sensors (60) arranged annularly at an outlet (45) of the turbine (40); obtaining a plurality of temperature signals (62) from the plurality of temperature sensors (60); determining a plurality of validated temperature signals (64) from the plurality of temperature signals (62); determining a temperature focus (65) at least based on the plurality of validated temperature signals (64); improving the temperature focus (65) such that the temperature focus (65) is within a tolerance range (66); and performing at least one hazard protection action (90) at least when the temperature focus (65) crosses a predetermined threshold (68).