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Modeling and Control of Co-generation Power Plants: A Hybrid System Approach

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Hybrid Systems: Computation and Control (HSCC 2002)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 2289))

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Abstract

In this paper the optimization of a combined cycle power plant is accomplished by exploiting hybrid systems, i.e. systems evolving according to continuous dynamics, discrete dynamics, and logic rules. The possibility of turning on/off the gas and steam turbine, the operating constraints (minimum up and down times) and the different types of start up of the turbines characterize the hybrid behavior of a combined cycle power plant. In order to model both the continuous/discrete dynamics and the switching between different operating conditions we use the framework of Mixed Logic Dynamical systems. Next, we recast the economic optimization problem as a Model Predictive Control (MPC) problem, that allows us to optimize the plant operations by taking into account the time variability of both prices and electricity/steam demands. Because of the presence of integer variables, the MPC scheme is formulated as a mixed integer linear program that can be solved in an efficient way by using commercial solvers.

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Author information

Authors and Affiliations

  1. Institut für Automatik, ETH - Swiss Federal Institute of Technology, ETL, CH-8092, Zürich, Switzerland

    Giancarlo Ferrari-Trecate, Paolo Letizia, Matteo Spedicato & Manfred Morari

  2. ABB Corporate Research Ltd, Switzerland

    Eduardo Gallestey

  3. ABB Power Automation Ltd, Switzerland

    Marc Antoine

Authors
  1. Giancarlo Ferrari-Trecate
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  2. Eduardo Gallestey
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  3. Paolo Letizia
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  4. Matteo Spedicato
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  5. Manfred Morari
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  6. Marc Antoine
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Editor information

Editors and Affiliations

  1. Department of Aeronautics and Astronautics, Stanford University, 250 Durand Building MC4035, 94305-4035, Stanford, CA, USA

    Claire J. Tomlin

  2. Department of Computer Science, University of British Columbia, 201-2366 Main Mall, V6T1Z4, Vancouver BC, Canada

    Mark R. Greenstreet

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© 2002 Springer-Verlag Berlin Heidelberg

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Ferrari-Trecate, G., Gallestey, E., Letizia, P., Spedicato, M., Morari, M., Antoine, M. (2002). Modeling and Control of Co-generation Power Plants: A Hybrid System Approach. In: Tomlin, C.J., Greenstreet, M.R. (eds) Hybrid Systems: Computation and Control. HSCC 2002. Lecture Notes in Computer Science, vol 2289. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45873-5_18

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  • DOI: https://doi.org/10.1007/3-540-45873-5_18

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-43321-7

  • Online ISBN: 978-3-540-45873-9

  • eBook Packages: Springer Book Archive

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