| 摘要 |
PROBLEM TO BE SOLVED: To provide a gas turbine combustor which is contrived to reduce the occurrence of NOx and can improve the service life of gas turbine equipment by preventing the intrusion of a frame into a premixing duct. SOLUTION: For the gas turbine combustor having at least two or more fuel systems from which fuel is supplied at variable quantities when the combustor is operated, a lower limit is provided for the minimum fuel flow rate when the fuel is supplied to the system to which the fuel is supplied at the maximum flow rate.
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