A hybrid wet-dry cooling system can be designed for a large combined-cycle power plant.
A well-designed hybrid cooling system will provide reasonable net generation year-round, while using substantially less water than a conventional wet cooling tower. The optimum design for the hybrid system depends upon climate at the site, the price of power, and the price of water. These factors vary on a seasonal basis.
Two hypothetical power plants are modeled, using state-of-the-art steam turbines and hybrid cooling systems. The plants are designed for water-constrained sites incorporating typical weather data, power prices, and water prices.
The principles for economic designs of hybrid cooling systems are demonstrated.
Volume Subject Area:
Heat Exchangers and Cooling Systems
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