Method for the start-up of a gas turbine

Details Method for the start-up of a gas turbine Method for the start-up of a gas turbine

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 19/00 (2006.01)

Patent

CA 2651746

A method is described for the start-up of a gas turbine comprising the phases of effecting a preliminary purging cycle of the discharge duct (28) of the turbine (20), establishing a predetermined minimum value (FSR1) for the flow of gaseous fuel entering the combustor (14) for a period of time which is adequate for effecting a first attempt at ignition and effecting a first attempt at ignition, effecting an intermediate purging cycle of the discharge duct (28), interrupting the flow of gaseous fuel to the combustor (14), and progressively increasing the value (FSR n) of the flow of gaseous fuel entering the combustor (14), effecting further attempts at ignition until the mixture of air/gaseous fuel has been ignited and the consequent start-up of the turbine (20), or until a predetermined maximum value (FSR max) of the flow of gaseous fuel has been reached.

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