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Plant-wide control of a parabolic trough power plant with thermal energy storage

  • We present a control scheme for a parabolic trough power plant that is equipped with a molten salt thermal energy storage system. We show that the multivariable control problem for the solar field can be decoupled by controlling the three way valve that splits the heat transfer fluid between the storage system and the steam generator. The steam generation cycle is regulated with inlet pressure control. The subsystems of the plant are modeled based on first principles, where we focus on the steam generation cycle. A multi-group extraction turbine with pre- and reheater is considered, which is suitable for solar power plants. We demonstrate the benefits of the proposed control scheme with a day-to-day simulation.

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Metadaten
Author:Michael Jost, Wolfgang Grote, Florian Möllenbruck, Martin Mönnigmann
Fachbereich/Einrichtung:Hochschule Düsseldorf / Fachbereich - Maschinenbau und Verfahrenstechnik
Document Type:Article
Year of Completion:2014
Language of Publication:English
Publisher:Elsevier
Parent Title (English):IFAC Proceedings Volumes
Volume:47
Issue:3
Page Number:7
First Page:419
Last Page:425
DOI:https://doi.org/10.3182/20140824-6-ZA-1003.00879
ISSN:2589-3653
Tag:Control of power plants; Decoupling control; Solar power plants; Thermal energy storage
Dewey Decimal Classification:6 Technik, Medizin, angewandte Wissenschaften / 62 Ingenieurwissenschaften / 620 Ingenieurwissenschaften und zugeordnete Tätigkeiten
Licence (German):keine Lizenz - nur Metadaten
Release Date:2024/01/26
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