Supercritical coal fired power plants : a technology being successfully deployed in developing countries
Paul, Ingo
This paper reviews the major technical and performance aspects of a coal fired plan using the supercritical technology. These include the turbine-generator set, the once-through boiler, and operational issues such as load change, fuel flexibility, and water. Reviewing the possibilities for the design and manufacture of components for supercritical-fired plants in developing countries, the paper notes that the differences between sub critical and supercritical power plants are limited to a relatively small number of components; primarily the feedwater pumps and the high pressure feedwater train equipment. All of the remaining components, common both types of plants, can be manufactured in developing countries. The paper concludes with a review of the Schwarze Pumpe - the world's largest supercritical lignite fired steam power plant.
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