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Yanqing solar field: Dynamic optical model and operational safety analysis.

Centrale solaire de Yanqing : modèle optique dynamique et analyse de la sécurité au cours du fonctionnement.

Auteurs : ZHAO D., WANG Z., XU E., et al.

Type d'article : Article

Résumé

A dynamic optical model was established for the Yanqing solar field at the parabolic trough solar thermal power plant and a simulation was conducted on four separate days of clear weather (March 3rd, June 2nd, September 25th, December 17th). The solar collector assembly (SCA) was comprised of a North-South and East-West layout. The model consisted of the following modules: DNI, SCA operational, and SCA optical. The tracking angle characteristics were analyzed and the results showed that the East-West layout of the tracking system was the most viable. The average energy flux was simulated for a given time period and different SCA layouts, yielding an average flux of 6 kW/m2, which was then used as the design and operational standards of the Yanqing parabolic trough plant. The mass flow of North-South layout was relatively stable. The influences of the defocus angles on both the average energy flux and the circumferential flux distribution were also studied. The results provided a theoretical basis for the following components: solar field design, mass flow control of the heat transfer fluid, design and operation of the tracking system, operational safety of SCAs, and power production prediction in the Yanqing 1 MW parabolic trough plant.

Détails

  • Titre original : Yanqing solar field: Dynamic optical model and operational safety analysis.
  • Identifiant de la fiche : 30020483
  • Langues : Anglais
  • Source : Applied thermal Engineering - vol. 110
  • Date d'édition : 05/01/2017
  • DOI : http://dx.doi.org/10.1016/j.applthermaleng.2016.08.106

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