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Modern CCGT plants also need software that is precisely tuned to every choice of fuel, equipment, temperature, humidity and pressure. When a plant is improved, the software becomes a moving target. CCGT software is also expensive to test, because actual time is limited on the multimillion-dollar prototypes of new CCGT plants.
Air-based CCGT systems have demonstrated very high availability and reliability. [6] The most notable helium-based system thus far was Oberhausen 2, a 50 megawatt cogeneration plant that operated from 1975 to 1987 in Germany. [7] Compared to Europe where the technology was originally developed, CCGT is not well known in the US. [8]
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CCGT may refer to: Combined cycle gas turbine, a type of combined cycle power plant commonly used for high efficiency, fast responding electricity generators Closed-cycle gas turbine (but combined cycle, see above, is the more common usage for gas turbines)
Staythorpe is a CCGT power station that runs primarily on natural gas, but has the theoretical (not commissioned) option to switch to (distillate) light fuel oil. It was designed to generate enough electricity for two million homes with four KA26-1 modules each generating around 430 MWe, each with an Alstom 288 MWe GT26B gas turbine , triple ...
In 2004 the power station was upgraded with the addition of a 50 MW gas turbine plant, and in 2007 the combined cycle gas turbine (CCGT) plant was commissioned. [3] This plant increased the total generating capacity of Huntly by 403 MW (250 MW gas turbine + 153 MW steam turbine). [1]
The new CCGT was a major upgrade to the power station and provided a new base-load generating capacity to meet rising power demand in Ireland. [8] With a capacity of 435 MW the new CCGT brought the total capacity of the power plant from 528 MW to 963 MW. The CCGT generates enough power to meet the electricity needs of around 450,000 homes. [5]
Below is a schematic flow diagram of an IGCC plant: Block diagram of IGCC power plant, which utilizes the HRSG. The gasification process can produce syngas from a wide variety of carbon-containing feedstocks, such as high-sulfur coal, heavy petroleum residues, and biomass.