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Solar-Assisted Small Solar Tower Trigeneration Systems

Buck, Reiner and Friedmann, Sven (2007) Solar-Assisted Small Solar Tower Trigeneration Systems. Journal of Solar Energy Engineering, 129 (4), pp. 349-354. ASME. DOI: 10.1115/1.2769688. ISSN 0199-6231.

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Official URL: http://scitation.aip.org/dbt/dbt.jsp?KEY=JSEEDO&Volume=129&Issue=4


Solar-hybrid gas turbine power systems offer a high potential for cost reduction of solar power. Such systems were already demonstrated as test systems. For the market introduction of this technology, microturbines in combination with small solar tower plants are a promising option. The combination of a solarized microturbine with an absorption chiller was studied; the results are presented in this paper. The solar-hybrid trigeneration system consists of a small heliostat field, a receiver unit installed on a tower, a modified microturbine, and an absorption chiller. The components are described, as well as the required modifications for integration to the complete system. Several absorption chiller models were reviewed. System configurations were assessed for technical performance and cost. For a representative site, a system layout was made, using selected industrial components. The annual energy yield in power, cooling, and heat was determined. A cost assessment was made to obtain the cost of electricity and cooling power, and eventually additional heat. Various load situations for electric and cooling power were analyzed. The results indicate promising niche applications for the solar-assisted trigeneration of power, heat, and cooling. The potential for improvements in the system configuration and the components is discussed, also the next steps toward market introduction for such systems.

Document Type:Article
Title:Solar-Assisted Small Solar Tower Trigeneration Systems
AuthorsInstitution or Email of Authors
Friedmann, SvenUNSPECIFIED
Date:November 2007
Journal or Publication Title:Journal of Solar Energy Engineering
Refereed publication:Yes
In ISI Web of Science:Yes
Page Range:pp. 349-354
Keywords:solar power, power tower, microturbine, cogeneration, absorption chiller, trigeneration
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:E SF - Solar research (old)
DLR - Research area:Energy
DLR - Program:E SF - Solar research
DLR - Research theme (Project):E - Solare Hochtemperatursysteme (old)
Location: Stuttgart
Institutes and Institutions:Institute of Technical Thermodynamics > Solar Research
Deposited By: Dr.-Ing. Reiner Buck
Deposited On:26 Nov 2007
Last Modified:27 Apr 2009 14:29

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