Control method for a gas turbine plant

Provided is a control method for a gas turbine plant having a first and a second (14) combustors in series, such that combustion gases produced in said first combustor flow into said second combustor. The second combustor having a fuel lance (27) with internal partitions, for injecting at least one...

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Main Authors HURTER, JONAS, GUETHE, FELIX, CATALDI, GIOVANNI, OOMENS, GIJSBERTUS, JOOS, FRANZ, WIRSUM, MANFRED
Format Patent
LanguageEnglish
French
German
Published 24.07.2013
Subjects
AIR INTAKES FOR JET-PROPULSION PLANTS
AIR SUPPLY
BLASTING
COMBUSTION APPARATUS
COMBUSTION ENGINES
COMBUSTION PROCESSES
CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
DRAUGHT-INDUCING
GAS-TURBINE PLANTS
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS
WEAPONS
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Summary:Provided is a control method for a gas turbine plant having a first and a second (14) combustors in series, such that combustion gases produced in said first combustor flow into said second combustor. The second combustor having a fuel lance (27) with internal partitions, for injecting at least one fuel (25) and a gas comprising a mixture of inert gas (26) and support air (28) into said second combustor (14). The partitions enable the gas to carry, and/or veil, at least one of the fuels (25) as the fuel (25) exits the lance (27). A variable of the second combustor (14) is measured and the inert gas (26) to support air (28) mixture varies in response to variations of the variable so as to at least partially compensate for the operational effects of the variable on the operation of the second combustor (14).
Bibliography:Application Number: EP20080154003