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An Integrated Solar Combined Cycle (ISCC) is a hybrid technology in which a solar thermal field is integrated within a combined cycle plant. In ISCC plants, solar energy is used as an auxiliary heat supply, supporting the steam cycle, which results in increased generation capacity or a reduction of fossil fuel use.
With aggressive assumptions, one DOE-funded feasibility study of where the technology could go, 1000 MWe Advanced Coal-Fired MHD/Steam Binary Cycle Power Plant Conceptual Design, published in June 1989, showed that a large coal-fired MHD combined cycle plant could attain a HHV energy efficiency approaching 60 percent—well in excess of other ...
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Download as PDF; Printable version; ... (cogeneration) or used to drive a steam turbine (combined cycle). ... Block diagram of IGCC power plant, ...
Metallurgical developments have allowed steam-only plants to increase in efficiency over time, making the mercury vapour turbine obsolete. Modern combined cycle power plant generating stations operate at 61% efficiency, and with none of the safety issues inherent to a binary mercury Rankine cycle steam power plant.
The Harry Allen Generating Station is a 628-megawatt (842,000 hp) natural gas fired combined cycle power plant located in Clark County, Nevada about 30 mi (48 km) north of Las Vegas. Electricity is generated by two GE Frame 7EA combustion turbines, two GE Frame 7FA+e combustion turbines, and a D11 steam turbine.
A new type of heat-recovery steam generator based on the Benson boiler has operated successfully at the Cottam combined-cycle power plant in central England. The vertical tubing in the combustion chamber walls of coal-fired steam generators combines the operating advantages of the Benson system with the design advantages of the drum-type boiler.
In real systems the cost per MWh usually is not constant, and the lines of the dispatch curve are therefore not horizontal (typically the marginal cost of power increases with the dispatch level, although for the combined cycle power plants there are multiple cost curves depending on the mode of operation, so the power-cost relationship is not ...