Third, its model can be made dynamic for predicting the real-time behaviour of a CCGT plant.Ībstract Combined cycle gas turbine (CCGT) power plants are becoming increasingly important for electricity generation. Second, it allows easy integration with various energy systems such as CO2 capture, organic Rankine cycles, fuel cells, LNG terminals, air separation, absorption chillers, etc. First, its use of the well-proven real-gas Peng-Robinson fluid package may give more accurate predictions. On the other hand, Aspen Hysys may have some advantages over GateCycle. The minor discrepancies are primarily from the differences in gas enthalpy correlations. The average relative deviations for the power outputs and thermal efficiencies of the gas turbine, steam cycle, and CCGT plant are less than 2.0%. A comparison with an equivalent GateCycle model shows that the predictions of the two models ( Aspen Hysys and GateCycle) are comparable. To our knowledge, this is the first such model in the literature. Abstract A detailed model is developed in Aspen Hysys for simulating the operation of a triple-pressure reheat combined cycle gas turbine (CCGT) power plant.
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