Supercritical Steam Power Cycle For Line-Focusing Solar Power Plants

Coco Enríquez, Luis; Muñoz Antón, Javier y Martínez-Val Peñalosa, Jose Maria (2015). Supercritical Steam Power Cycle For Line-Focusing Solar Power Plants. "Politeknik dergisi", v. 18 (n. 4); pp. 219-225. ISSN 2147-9429.

Descripción

Título: Supercritical Steam Power Cycle For Line-Focusing Solar Power Plants
Autor/es:
  • Coco Enríquez, Luis
  • Muñoz Antón, Javier
  • Martínez-Val Peñalosa, Jose Maria
Tipo de Documento: Artículo
Título de Revista/Publicación: Politeknik dergisi
Fecha: 27 Enero 2015
Volumen: 18
Materias:
Palabras Clave Informales: Supercritical water, Supercritical Rankine, Direct Steam Generation, Molten salt, Line-focusing, Parabolic Trough, Linear Fresnel.
Escuela: E.T.S.I. Industriales (UPM)
Departamento: Energía y Combustibles
Grupo Investigación UPM: Modelización de Sistemas Termoenergéticos
Licencias Creative Commons: Ninguna

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URL Oficial: http://www.politeknik.gazi.edu.tr/index.php/PLT/article/view/636

Resumen

A recent study between Sandia National Laboratories and Siemens Energy, Inc., published on March 2013 [11], confirmed the feasibility of adapting the Siemens turbine SST-900 for supercritical steam in concentrated solar power plants, with a live steam conditions 230-260 bar and output range between 140-200 MWe. In this context, this analysis is focused on integrating a linefocus solar field with a supercritical Rankine power cycle. For this purpose two heat transfer fluids were assessed: direct steam generation and molten salt HITEC XL. The design-point conditions were 550ºC and 260 bar at turbine inlet, and 165 MWe Gross power output. Plant performance was assessed at design-point in the supercritical power plant (between 43-45% net plant efficiency depending on balance of plant configuration), and in the subcritical plant configuration (~40% net plant efficiency with one DRH, and up to ~41% with two DRH stages). Direct Reheating was adopted in Rankine power cycle to avoid any intermediate heat exchanger. Seven feed-water heaters optimized the plant performance power output.

Más información

ID de Registro: 43993
Identificador DC: http://oa.upm.es/43993/
Identificador OAI: oai:oa.upm.es:43993
Depositado por: Luis Coco Enriquez
Depositado el: 01 Dic 2016 08:54
Ultima Modificación: 01 Dic 2016 11:37
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