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Solar-assisted Small Solar Tower Trigeneration Systems

Buck, Reiner and Friedmann, Sven (2006) Solar-assisted Small Solar Tower Trigeneration Systems. In: 2006 IEA SolarPACES Conference. 13th International Symposium on Concentrated Solar Power and Chemical Energy Technologies, 2006-06-20 - 2006-06-23, Seville, Spain. ISBN 84-7834-519-1.

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Solar-hybrid gas turbine power 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 system consists of a small heliostat field, a receiver unit installed on a tower, a modified microturbine and an absorption chiller for use of the exhaust heat. Each component is described, as well as the required modifications for integration to the complete system. Several system configurations were assessed for technical performance and cost. For a representative site a system layout was made, using selected industrial components. For several system configurations 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 towards market introduction of such systems.

Document Type:Conference or Workshop Item (Speech, Paper)
Title:Solar-assisted Small Solar Tower Trigeneration Systems
AuthorsInstitution or Email of Authors
Friedmann, SvenUNSPECIFIED
Date:June 2006
Journal or Publication Title:2006 IEA SolarPACES Conference
Refereed publication:Yes
In ISI Web of Science:No
Keywords:solar power, power tower, microturbine, cogeneration, absorption chiller, trigeneration
Event Title:13th International Symposium on Concentrated Solar Power and Chemical Energy Technologies
Event Location:Seville, Spain
Event Type:international Conference
Event Dates:2006-06-20 - 2006-06-23
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:14 Mar 2007
Last Modified:12 Dec 2013 20:23

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