Conference article

Dynamic modelling of a combined cycle power plant with ThermoSysPro

Baligh El Hefni
EDF R&D, France

Daniel Bouskela
EDF R&D, France

Gréory Lebreton
EDF R&D, France

Download articlehttp://dx.doi.org/10.3384/ecp11063365

Published in: Proceedings of the 8th International Modelica Conference; March 20th-22nd; Technical Univeristy; Dresden; Germany

Linköping Electronic Conference Proceedings 63:40, s. 365-375

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Published: 2011-06-30

ISBN: 978-91-7393-096-3

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

Abstract

A new open source Modelica library called “ThermoSysPro” has been developed within the framework of the ITEA 2 EUROSYSLIB project. This library has been mainly designed for the static and dynamic modeling of power plants; but can also be used for other energy systems such as industrial processes; buildings; etc.

To that end; the library contains over 100 0D/1D model components such as heat exchangers; steam and gas turbines; compressors; pumps; drums; tanks; volumes; valves; pipes; furnaces; combustion chambers; etc. In particular; one and two-phase water/steam flow; as well as flue gases flow are handled.

The library has been validated against several testcases belonging to all the main domains of power plant modeling; namely the nuclear; thermal; biomass and solar domains.

The paper describes first the structure library. Then the test-case belonging to the thermal domain is presented. It is the dynamic model of a combined cycle power plant; whose objective is to study a step variation load from 100% to 50% and a full gas turbine trip. The structure of the model; the parameterization data; the results of simulation runs and the difficulties encountered are presented.

Keywords

Modelica; thermal-hydraulics; combined cycle power plant; dynamic modeling; inverse problems

References

[1] Bouskela D.; Chip V.; El Hefni B.; Favennec J.M.; Midou M. and Ninet J. ‘New method to assess tube support plate clogging phenomena in steam generators of nuclear power plants’; Mathematical and Computer Modelling of Dynamical Systems; 16: 3; 257-267; 2010. doi: 10.1080/13873954.2010.506748.

[2] El Hefni B.; Bouskela D.; ‘Modelling of a water/steam cycle of the combined cycle power plant “Rio Bravo 2” with Modelica’; Modelica 2006 conference proceedings.

[3] Souyri A.; Bouskela D.; ‘Pressurized Water Reactor Modelling with Modelica’; Modelica 2006 conference proceedings.

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[6] Casella F.; Bouskela D.; ‘Efficient method for power plant modelling’; EDF report HP1C-2010-01929-EN; 2010.

[7] David F.; Souyri A.; Marchais G.; ‘Modelling Steam Generators for Sodium Fast Reactors with Modelica’; Modelica 2009 conference proceedings

< [8] El Hefni B.; Péchiné B.; ‘Model driven optimization of biomass CHP plant design’; Mathmod conference 2009; Vienna; Austria.

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