Publication: Diseño y análisis de una planta termosolar de torre central con configuraciones de único o doble receptor operando con sales fundidas
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2012-12-20
Defense date
2012-12-20
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Abstract
La energía termosolar se presenta como una fuente de energía sostenible y que contribuye a la protección del medio ambiente. Teniendo en cuenta la gran cantidad de radiación que recibe España, éste país se convierte en una gran potencia para la construcción de centrales termosolares. Sin embargo, la construcción de este tipo de centrales presenta grandes desafíos tecnológicos que han de resolverse para conseguir su plena incorporación al mercado de producción eléctrica. En el presente proyecto se van a caracterizar los procesos por los cuales la radiación solar se transforma en energía térmica, y posteriormente en potencia mecánica o eléctrica útil. Para ello se realizará un modelo térmico (campo de heliostatos, radiación solar útil, pérdidas en el receptor, ciclo de potencia, etc.) que permita obtener el diseño de una planta de receptor central de torre y el análisis de los parámetros de operación de la misma. El fin último de este estudio es el dimensionamiento de una central de 50 MW de potencia y con una capacidad de almacenamiento de 24 horas. Como novedad, el presente proyecto propone la introducir el uso de dos receptores, en lugar de uno, para así aumentar la flexibilidad de la planta y su rendimiento. Se revisará la viabilidad de esta propuesta comparándola con instalaciones que utilizan un único receptor. ___________________________________________________________________________________________________________________________
Solar thermal energy is presented as a sustainable energy source and contributes to environmental protection. Given the large amount of radiation received by Spain, the country became a great power for the construction of solar power plants. However, the construction of such plants present technological challenges that has to be solved to achieve full entry to electricity market. In the present project is going to characterize the processes by which solar radiation is converted into heat energy, and then in mechanical or electrical useful power. This will involve create a thermal model (heliostat field, useful solar radiation, losses in the receiver, power cycle, etc.) that allow obtain the design of a tower central receiver plant and the analysis of the operating parameters thereof. The ultimate goal of this study is the design of a power plant of 50 MW and a storage capacity of 24 hours. As a novelty, this project proposes to introduce the use of two receivers, instead of one, in order to increase plant flexibility and performance. It will review the feasibility of this proposal compared with configurations using a single receiver.
Solar thermal energy is presented as a sustainable energy source and contributes to environmental protection. Given the large amount of radiation received by Spain, the country became a great power for the construction of solar power plants. However, the construction of such plants present technological challenges that has to be solved to achieve full entry to electricity market. In the present project is going to characterize the processes by which solar radiation is converted into heat energy, and then in mechanical or electrical useful power. This will involve create a thermal model (heliostat field, useful solar radiation, losses in the receiver, power cycle, etc.) that allow obtain the design of a tower central receiver plant and the analysis of the operating parameters thereof. The ultimate goal of this study is the design of a power plant of 50 MW and a storage capacity of 24 hours. As a novelty, this project proposes to introduce the use of two receivers, instead of one, in order to increase plant flexibility and performance. It will review the feasibility of this proposal compared with configurations using a single receiver.
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Keywords
Energía solar termoeléctrica, Plantas termosolares