Modelling a Lignite Power Plant in Modelica to Evaluate the Effects of Dynamic Operation and Offering Grid Services

Moritz Hübel
University of Rostock, Rostock, Germany

André Berndt
University of Rostock, Rostock, Germany

Sebastian Meinke
Vattenfall Research and Development, Berlin, Germany

M. Richter
University of Rostock, Rostock, Germany

P. Mutschler
University of Rostock, Rostock, Germany

E. Haßel
University of Rostock, Rostock, Germany

H. Weber
University of Rostock, Rostock, Germany

M. Sander
University of Rostock, Rostock, Germany

J. Funkquist
Vattenfall Research and Development, Berlin, Germany

Ladda ner artikelhttp://dx.doi.org/10.3384/ecp140961037

Ingår i: Proceedings of the 10th International Modelica Conference; March 10-12; 2014; Lund; Sweden

Linköping Electronic Conference Proceedings 96:108, s. 1037-1046

Visa mer +

Publicerad: 2014-03-10

ISBN: 978-91-7519-380-9

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


Offering services to stabilize the electrical grid is one of the major tasks of fossil power plants and also of significant economical relevance. However the effects on the power plants regarding the addidional wear of components is uncertain. Usually the effects regarding control reserves; especially primary control occure with high frequencies and small amplitudes; which makes investigations based on measurement data impossible since the effects are masked by the noise of normal operation. In order to investigate this issue; a detailed model of a lignite power plant has been developed in Modelica for simulating and comparing scenarios with and without offering primary control reserves. The model comprises the entire water-steam cycle including turbines; preheaters and pumps; as well as a very detailed boiler model including the air supply; coal mills; a combustion chamber; heating surfaces and piping. Furthermore the power plants control system has been implemented in a very precise way. In addition the study involves an investigation on the input signals (grid frequency) and a calculation of lifetime consumption for specific components to evaluate the effects.


Power Plant; Dynamic Modelling; Control Reserves; Primary Control; Lifetime Consumption


[1] Meinke, S., Gottelt F., Müller, M., Hassel E., Modeling of Coal-Fired Power Units with ThermoPower focussing on Start-Up Processes, 8th Modelica Conference, Dresden 2011

[2] Brunnemann, J., Gottelt, F., Wellner, K., Renz, A., Thüring, A., Roeder V., Hasenbein, C., Schulze, C., Schmitz, G., Eiden, J., Status of ClaRaCCS: Modelling and Simulation of Coal-Fired Power Plants with CO2 Capture, 9th Modelica Conference, Munich, 2012

[3] Meinke, S., Modellierung thermischer Kraftwerke vor dem Hintergrund steigender Dynamikanforderungen aufgrund zunehmender Windenergie- und Photovoltaikeinspeisung, Dissertation, Rostock, 2012

[4] DIN EN 12952-3 Wasserrohrkessel und Anlagenkomponenten - Teil 3: Konstruktion und Berechnung für drucktragende Kesselteile. Deutsche Fassung EN 12952-3, 2011.

[5] TransmissionCode 2007 Netz- und Systemregeln der deutschen Übertragungsnetzbetreiber, Verband der Netzbetreiber, 2007

[6] Thermal Power Library Documentation, Modelon, 2013

[7] O’Kelly, P., Computer Simulation of Thermal Plant Operations, Springer, 2013

[8] Eenberger, H., Dampferzeugung, Springer 2000

[9] VDI/VDE-Guideline 3508, Unit control of thermal power stations, VDI/VDE, 2003

[10] Matsuishi, M., Endo, T., Fatigue of metals subjected to varying stress, Japan Soc. Mech. Engineering, 1968

Citeringar i Crossref