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Impact of model reduction on the dynamic simulation of a micro-scale concentrated solar power system integrated with a thermal storage
Dickes, Rémi; Wéber, Noé; Lemort, Vincent et al.
2015In Proceedings of the ISES Solar World Congress 2015
Peer reviewed
 

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Keywords :
model reduction; CSP; thermocline
Abstract :
[en] Because of the intermittent nature of solar irradiances, micro-scale solar thermal power systems almost never operate in nominal operating conditions. They are characterized by strong transients and require robust, fast and accurate dynamic simulation tools to permit a proper evaluation of their performance. Model reduction, i.e. the simplification of detailed models, is an attractive method to improve the computational efficiency while simulating such systems. In this context, a µCSP plant featuring a solar field of parabolic troughs, a thermocline storage and a 5kWe power unit is investigated. Both the solar field and the thermocline storage are modeled with complex and simplified methods. The whole power plant is simulated under identical operating condition and deviations between the simulation results are analyzed. Benefits and limitations of the current modeling approach are assessed. Improvements for the modeling of the thermocline storage are identified, implemented and validated. The Modelica language is used as simulation tool and the models developed in this work are integrated in the open-source ThermoCycle library.
Research center :
Energy Research Unit - Thermodynamics laboratory
Disciplines :
Energy
Author, co-author :
Dickes, Rémi ;  Université de Liège > Département d'aérospatiale et mécanique > Systèmes énergétiques
Wéber, Noé ;  Université de Liège - ULiège > Master sc. gestion, à fin. (H.D.)
Lemort, Vincent  ;  Université de Liège > Département d'aérospatiale et mécanique > Systèmes énergétiques
Quoilin, Sylvain  ;  Université de Liège > Département d'aérospatiale et mécanique > Systèmes énergétiques
Language :
English
Title :
Impact of model reduction on the dynamic simulation of a micro-scale concentrated solar power system integrated with a thermal storage
Publication date :
November 2015
Event name :
ISES Solar World Congress 2015
Event organizer :
International Society of Solar Energy (ISES)
Event place :
Daegu, South Korea
Event date :
du 8 novembre 2015 au 12 novembre 2015
Audience :
International
Main work title :
Proceedings of the ISES Solar World Congress 2015
Peer reviewed :
Peer reviewed
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
Available on ORBi :
since 30 November 2015

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