Article | Proceedings of the 10<sup>th</sup> International Modelica Conference; March 10-12; 2014; Lund; Sweden | Modelling a Lignite Power Plant in Modelica to Evaluate the Effects of Dynamic Operation and Offering Grid Services Link�ping University Electronic Press Conference Proceedings
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Title:
Modelling a Lignite Power Plant in Modelica to Evaluate the Effects of Dynamic Operation and Offering Grid Services
Author:
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
DOI:
10.3384/ecp140961037
Download:
Full text (pdf)
Year:
2014
Conference:
Proceedings of the 10th International Modelica Conference; March 10-12; 2014; Lund; Sweden
Issue:
096
Article no.:
108
Pages:
1037-1046
No. of pages:
10
Publication type:
Abstract and Fulltext
Published:
2014-03-10
ISBN:
978-91-7519-380-9
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press; Linköpings universitet


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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.

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

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

Author:
Moritz Hübel, André Berndt, Sebastian Meinke, M. Richter, P. Mutschler, E. Haßel, H. Weber, M. Sander, J. Funkquist
Title:
Modelling a Lignite Power Plant in Modelica to Evaluate the Effects of Dynamic Operation and Offering Grid Services
DOI:
http://dx.doi.org/10.3384/ecp140961037
References:

[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

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

Author:
Moritz Hübel, André Berndt, Sebastian Meinke, M. Richter, P. Mutschler, E. Haßel, H. Weber, M. Sander, J. Funkquist
Title:
Modelling a Lignite Power Plant in Modelica to Evaluate the Effects of Dynamic Operation and Offering Grid Services
DOI:
http://dx.doi.org/10.3384/ecp140961037
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