E113 Ambient Temperature and Part-load Characteristics of the Advanced Humid Air Turbine System

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  • E113 高湿分空気利用ガスタービンの大気温度特性と部分負荷特性(OS6 高温・高効率発電),動力エネルギーシステム部門20周年,次の20年への新展開)

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Ambient temperature effects and part-load characteristics of the AHAT (Advanced Humid Air Turbine) system were studied both experimentally and analytically. Firstly, these characteristics of the 3MW AHAT pilot plant were measured and they were compared with heat and material balance calculation results. Secondly, these characteristics of the AHAT and the combined cycle were calculated assuming they were composed of mid-sized industrial gas turbines which have axial flow compressors and axial flow turbines. As for the part-load characteristics, when the IGV (Inlet Guide Vane) were operated so as to keep the turbine exhaust temperature at a constant value, degradation of electrical efficiency of the AHAT was smaller than that of the combined cycle.

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