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Mills, David; Lièvre, Peter; Morrison, Graham. Cheaper than coal?. 2005 SOLAR WORLD CONGRESS, 2005, Orlando, Flórida.
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Número de Trabalhos: 1 (Nenhum com arquivo PDF disponível)
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Resumo

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Abstract

In this paper, a new general design philosophy for large, purely solar, thermal electric plants is discussed, with application to central electricity generation and desalination. This involves the mating of a low cost solar array technology called the Compact Linear Fresnel Reflector (CLFR) to very large low temperature Rankine cycle turbines and artificial cavern-based steam accumulators for storage. The advantage gained by low temperature operation derives from an unusual combination of large low cost low temperature turbines developed for the nuclear industry, and an inexpensive storage concept, which suits that particular temperature range. Because the CLFR is now being produced in commercial quantities, price predictions for large stand alone plants are able to be made based upon current (not future) manufacturing costs. A turbine cost was obtained from manufacturers, and the cost of storage has been estimated using industry contract quotations. Cost competitiveness with coal generation in the USA and Europe is indicated without the imposition of an environmental subsidy. The array is about 3/4 of the total cost. This paper describes the technology, but also addresses ancillary issues associated with large-scale implementation, including the relationship with coal and renewable energy systems using different technology.
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