A Dantzig-Wolfe Decomposition Algorithm for Linear Economic MPC of a Power Plant Portfolio

Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2012

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Future power systems will consist of a large number of decentralized power producers and a large number of controllable power consumers in addition to stochastic power producers such as wind turbines and solar power plants. Control of such large scale systems requires new control algorithms. In this paper, we formulate the control of such a system as an Economic Model Predictive Control (MPC) problem. When the power producers and controllable power consumers have linear dynamics, the Economic MPC may be expressed as a linear program and we apply Dantzig-Wolfe decomposition for solution of this linear program. The Dantzig-Wolfe decomposition algorithm for Economic MPC is tested on a simulated case study with a large number of power producers. The Dantzig-Wolfe algorithm is compared to a standard linear programming (LP) solver for the Economic MPC. Simulation results reveal that the Dantzig-Wolfe algorithm is faster than the standard LP solver and enables solution of larger problems.
Original languageEnglish
Title of host publicationThe 10th European Workshop on Advanced Control and Diagnosis (ACD 2012)
Number of pages8
PublisherTechnical University of Denmark
Publication date2012
StatePublished

Conference

Conference10th European Workshop on Advanced Control and Diagnosis
CountryDenmark
CityKgs. Lyngby
Period08/11/1209/11/12
Internet addresshttp://indico.conferences.dtu.dk/conferenceDisplay.py?confId=108

Keywords

  • Economic Model Predictive Control, Linear programming, Distributed Optimization, Power systems
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