The Effect of the Condenser Inlet Cooling Water Temperature on the Combined Cycle Power Plant Performance
- Author Muammer Alus
- Co-Author Mohamed Elrawemi, Fathi Kawan
- DOI
- Country : Libya
- Subject : Mechanical and Industrial Engineering
Keywords : Cooling Water, Condenser Pressure, Steam Condenser, Thermoeconomic
Abstract
This paper focuses on the influence of the condenser inlet cooling water temperature on thermoeconmic parameters of the power plant. The thermoeconomic parameters comprise the production costs per unit of electrical output and the annual cash flow of the power plant. Therefore, the thermoeconmic parameters are generated for two different range of condenser inlet cooling water (summer/winter case). A combined cycle gas turbine (CCGT) power plant (284 MW) with a typical design of commercial combined cycle power plant was demonstrated as a model. The results of the study revealed that if the condenser inlet cooling water temperature reduced to 10 oC (winter case), the annual cash flow is increased to 3.7 M$, and the production cost of the electricity is decreased to 0.147 cent-dollar per kilowatt-hour. However, if the condenser inlet cooling water temperature increased to 30 oC (summer case), the annual cash flow is decreased to 3.6 M$, and the production cost of the electricity is increased to 0.148 cent-dollar per kilowatt-hour.
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