Patent ID: 7370478
Filing Date: 2008-05-13
Classification: F02C,F23D,F23N,F23R

Abstract:
1. A method of controlling a gas combustor ( 1 ) of a gas turbine; the gas combustor having an axis ( 2 ) and comprising: a central diffusion burner ( a peripheral premix burner ( the method comprising a first step of starting up said gas turbine, wherein said peripheral premix burner ( once a given power threshold (C) is exceeded, a second step wherein said peripheral premix burner ( said first step comprising the operations of igniting a diffusion flame at the start of said first step, and of feeding a fuel gas stream (F during said second step a pilot diffusion flame being held by continuing to feed the fuel gas stream (F characterized in that said first step is carried out by the pilot diffusion flame only up until the start of the second step; and in that part of said fuel gas stream (F