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Hibridación biomasa-termosolar con batería de CARNOT para ciclos BRAYTON de s-CO2
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Advisor(s)
Abstract(s)
RESUMEN: Las baterías de Carnot son tecnología de vanguardia basadas en el almacenamiento de energía térmica y la gestionabilidad de la generación de electricidad. El presente estudio analiza y optimiza una central híbrida biomasa-solar térmica de torre central acoplada a un ciclo Brayton de dióxido de carbono en estado supercrítico (s-CO2) mediante almacenamiento térmico de sales fundidas, configurando una batería Carnot. Se ha realizado la optimización térmica y económica de los principales parámetros del ciclo de potencia, almacenamiento térmico, biomasa y planta termosolar para obtener el Payback Period mínimo disponible actual. La planta óptima presenta un Payback Period de 8.08 años con una capacidad de almacenamiento de 14 horas aplicando el escenario de ingresos relativo a la Ley Española.
ABSTRACT: Carnot Batteries are state-of-the-art technology based on thermal energy storage and dispatchable electricity generation. The present study analyzes and optimizes a hybrid biomass-solar thermal central tower power plant coupled to a carbon dioxide Brayton cycle at supercritical state (s- CO2) through a molten salt thermal storage, configuring a Carnot battery. A thermal and economic optimization was carried out for the power cycle, thermal storage, and biomass and solar thermal power plant main parameters to obtain the current available minimum Payback Period. The optimum plant presents a Payback Period of 8.08 years with a storage capacity of 14 hours applying the Spanish Law revenue scenario.
ABSTRACT: Carnot Batteries are state-of-the-art technology based on thermal energy storage and dispatchable electricity generation. The present study analyzes and optimizes a hybrid biomass-solar thermal central tower power plant coupled to a carbon dioxide Brayton cycle at supercritical state (s- CO2) through a molten salt thermal storage, configuring a Carnot battery. A thermal and economic optimization was carried out for the power cycle, thermal storage, and biomass and solar thermal power plant main parameters to obtain the current available minimum Payback Period. The optimum plant presents a Payback Period of 8.08 years with a storage capacity of 14 hours applying the Spanish Law revenue scenario.
Description
CIES2020 - XVII Congresso Ibérico e XIII Congresso Ibero-americano de Energia Solar
Keywords
Solar energy Biomass Thermal Storage
Citation
Valencia-Chapi, R... [et.al.] - Hibridación biomasa-termosolar con batería de CARNOT para ciclos BRAYTON de s-CO2. In: CIES2020: As Energias Renováveis na Transição Energética: Livro de Comunicações do XVII Congresso Ibérico e XIII Congresso Ibero-americano de Energia Solar. Helder Gonçalves, Manuel Romero (Ed.). Lisboa, Portugal: LNEG, 3-5 Novembro, 2020, p. 167-175
Publisher
LNEG - Laboratório Nacional de Energia e Geologia