Abstract
The power generation cycle of choice today is the combined cycle, which uses both the Brayton and Rankine cycles. The combustion turbine in a combined cycle can be used in a repowering mode or in a Greenfield plant installation. Today's fuel of choice for new combined cycle power generation is generally natural gas. Due to an estimated global recoverable reserve of over 200 years of coal that can be used to generate electricity, future power generation systems must be designed to include coal. Working with the US Department of Energy and other organizations, Westinghouse is actively pursuing the development and commercialization of several clean-coal-fuelled technologies to provide high efficiency, high reliability, cost competitive and environmentally superior power generation compared to conventional coal-fuelled technology. This paper reports primarily on the status of advanced clean coal power technologies that Westinghouse is helping to develop.
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