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Object-Oriented Dynamic Modelling of Gas Turbines for CSP Hybridisation

Luis J. Yebra
Plataforma Solar de Almería, CIEMAT, Spain

Sebastián Dormido
Dpto. Informática y Automática, UNED, Spain / CIESOL, Joint Centre of the University of Almería-CIEMAT, Spain

Luis E. Díez
SERLED Consultores, Spain

Alberto R. Rocha
ACS-Cobra T&I, Spain

Lucía González
ACS-Cobra T&I, Spain

Eduardo Cerrajero
IDIE (Investigación, Desarrollo e Innovación Energética) , Spain

Silvia Padilla
AITESA (Air Industrie Thermique) , Spain

Ladda ner artikelhttp://dx.doi.org/10.3384/ecp17142926

Ingår i: Proceedings of The 9th EUROSIM Congress on Modelling and Simulation, EUROSIM 2016, The 57th SIMS Conference on Simulation and Modelling SIMS 2016

Linköping Electronic Conference Proceedings 142:136, s. 926-933

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Publicerad: 2018-12-19

ISBN: 978-91-7685-399-3

ISSN: 1650-3686 (tryckt), 1650-3740 (online)

Abstract

This paper presents a dynamic model of a gas turbine developed for the HYSOL project. The model is developed mainly for control purposes and based on mathematical, physical and chemical principles. Approximations and assumptions are presented with the objective to minimize complexity and to maintain a modular structure. The main modules are presented independently and ready to be connected to form the complete and parameterizable gas turbine model. Possible cases of algebraic loops appearance are detected and solutions are proposed to avoid them. Moreover, ?rst principles compression and expansion maps are developed to avoid non-linear algebraic loops. The Modelica modelling language and the libraries Modelica.Fluid and Modelica.Media have been extensively used for the models development. Results from simulation experiments are presented, implementing the proposed mathematical models for compressor and turbine submodules independently, as well as for the complete gas turbine system.

Nyckelord

CSP hybridization, gas turbine, object oriented modelling, ?rst principle compression/expansion maps, simulation of gas turbines

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