Prediction of the time constant of small-scale concentrated solar CHP plants

Roberto Tascioni, Matteo Pirro, Alessia Arteconi, Luca Del Zotto, Carlo M. Bartolini, Khamid Mahkamov, Irina Makhkamova, Luisa F. Cabeza, Alvaro De Gracia, Piero Pili, André C. Mintsa, Toni Gimbernat, Teresa Botargues, David Mullen, Luca Cioccolanti*

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

1 Citation (Scopus)

Abstract

The operation of a power plant based on solar energy can vary significantly with time because of the intrinsic intermittency of the energy resource. Hence, a smart management is required to deal with the complex dynamic variations of the different subsystems. In order to do that, different control logics can be implemented but their effectiveness strictly depends on the temporal evolution of the parameters considered. For a given plant configuration, their exact estimation can be obtained through experimental tests during the commissioning of the plant. However, any change in the design parameters of the plant reflects in a different time constant, whose preliminary knowledge may be of support in tuning the control logic of the plant during the design stage. Therefore, based on the configuration of a small-scale concentrated solar combined heat and power plant as designed and built under the EU funded project Innova MicroSolar by several universities and companies, in this study a prediction of the time constant of several plant configurations with varying solar multiple and size of the storage tank is performed. By making use of the dynamic simulator previously developed by some of the authors, an estimation of such characteristic is assessed in case of potential redesign of the plant, providing also useful suggestions into the design of the control logic.

Original languageEnglish
Article number01001
Number of pages6
JournalE3S Web of Conferences
Volume238
DOIs
Publication statusPublished - 16 Feb 2021
Event2020 Applied Energy Symposium (ICAE), 100RES 2020 - Pisa, Italy
Duration: 29 Oct 202030 Oct 2020

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