CONTROL DEVICE AND CONTROL METHOD OF GAS TURBINE

摘要

PROBLEM TO BE SOLVED: To provide a control device and a control method of a gas turbine, capable of optimally maintaining the fuel distribution ratio of a diffusion combustion fuel and a premixed combustion fuel and maintaining a stable combustion state without occurrence of combustion vibration even when the load of the gas turbine abruptly changes. SOLUTION: The control device of a gas turbine is provided with a calculating unit 30 to calculate combustion gas temperature TF and a combustion gas temperature correction part 50 to output a combustion gas temperature TFX nearer to a true value by correcting the calculated combustion gas temperature TF. The fuel distribution ratio of the diffusion fuel and the premixed fuel fed to a combustor 4 is controlled on the basis of the corrected combustion temperature TFX. COPYRIGHT: (C)2006,JPO&NCIPI