| 摘要 |
PROBLEM TO BE SOLVED: To provide a cooling method of a gas turbine plant and a turbine high temperature section capable of appropriately controlling coolant flow fed into the turbine high temperature section and improving the turbine efficiency. SOLUTION: The cooling method of the gas turbine plant and the turbine high temperature section are provided with a cooling system for cooling the high temperature section of the turbine. The cooling system is provided with a heat exchanger for heat exchanging coolant, a compressor for compressing the coolant from the heat exchanger and a control means capable of adjusting supply flow rate of the coolant. In the cooling system, a process for heat exchanging the coolant is carried out, and then a process for compressing the coolant is carried out. In the cooling system, the supply flow rate of the coolant is adjusted, and the coolant is fed into the turbine high temperature section to cool. COPYRIGHT: (C)2004,JPO
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