Solar multiple optimization for a solar-only thermal power plant, using oil as heat transfer fluid in the parabolic trough collectors

Montes Pita, María José and Abánades Velasco, Alberto and Martínez-Val Peñalosa, José María and Valdés del Fresno, Manuel (2009). Solar multiple optimization for a solar-only thermal power plant, using oil as heat transfer fluid in the parabolic trough collectors. "Solar Energy", v. 83 (n. 12); pp. 2165-2176. ISSN 0038-092X. https://doi.org/10.1016/j.solener.2009.08.010.

Description

Title: Solar multiple optimization for a solar-only thermal power plant, using oil as heat transfer fluid in the parabolic trough collectors
Author/s:
  • Montes Pita, María José
  • Abánades Velasco, Alberto
  • Martínez-Val Peñalosa, José María
  • Valdés del Fresno, Manuel
Item Type: Article
Título de Revista/Publicación: Solar Energy
Date: January 2009
ISSN: 0038-092X
Volume: 83
Subjects:
Freetext Keywords: Solar-only thermal power plant; Parabolic trough collector; Solar multiple; Optimization
Faculty: E.T.S.I. Industriales (UPM)
Department: Ingeniería Energética y Fluidomecánica [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Usual size of parabolic trough solar thermal plants being built at present is approximately 50 M We. Most of these plants do not have a thermal storage system for maintaining the power block performance at nominal conditions during long non-insolation periods. Because of that, a proper solar field size, with respect to the electric nominal power, is a fundamental choice. A too large field will be partially useless under high solar irradiance values whereas a small field will mainly make the power block to work at part-load conditions. This paper presents an economic optimization of the solar multiple for a solar-only parabolic trough plant, using neither hybridization nor thermal storage. Five parabolic trough plants have been considered, with the same parameters in the power block but different solar field sizes. Thermal performance for each solar power plant has been featured, both at nominal and part-load conditions. This characterization has been applied to perform a simulation in order to calculate the annual electricity produced by each of these plants. Once annual electric energy generation is known, levelized cost of energy (LCOE) for each plant is calculated, yielding a minimum LCOE value for a certain solar multiple value within the range considered.

More information

Item ID: 5304
DC Identifier: http://oa.upm.es/5304/
OAI Identifier: oai:oa.upm.es:5304
DOI: 10.1016/j.solener.2009.08.010
Official URL: http://www.elsevier.com/locate/solener
Deposited by: Memoria Investigacion
Deposited on: 29 Nov 2010 13:05
Last Modified: 05 Sep 2017 13:24
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