Article | Proceedings of the 11th International Modelica Conference, Versailles, France, September 21-23, 2015 | Production Planning for Distributed District Heating Networks with JModelica.org
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Title:
Production Planning for Distributed District Heating Networks with JModelica.org
Author:
Håkan Runvik: Modelon AB, Lund, Sweden Per-Ola Larsson: Modelon AB, Lund, Sweden Stéphane Velut: Modelon AB, Lund, Sweden Jonas Funkquist: Vattenfall R&D, Stockholm, Sweden Markus Bohlin: SICS Swedish ICT, Kista, Sweden Andreas Nilsson: SICS Swedish ICT, Kista, Sweden Sara Modarrez Razavi: SICS Swedish ICT, Kista, Sweden
DOI:
10.3384/ecp15118217
Download:
Full text (pdf)
Year:
2015
Conference:
Proceedings of the 11th International Modelica Conference, Versailles, France, September 21-23, 2015
Issue:
118
Article no.:
023
Pages:
217-223
No. of pages:
7
Publication type:
Abstract and Fulltext
Published:
2015-09-18
ISBN:
978-91-7685-955-1
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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The short term production planning optimization problem for a district heating system is solved in two steps by integrating physics-based models into the standard approach. In the first step the unit commitment problem (UCP) is solved using mixed integer linear models and standard mixed-integer solvers. In the second step the economic dispatch problem is solved, utilizing the unit statuses from the UCP. This step involves dynamic optimization of non-linear physics-based models. Both optimizations aim at maximizing the production profit. The modeling has focused on distributed consumption and production. Optimization results show that modeling of the district heating net impacts the production planning in several ways, with results such as reduction of production peaks and delay of costly unit start-ups. The physics-based modeling and dynamic optimization techniques provide a flexible way to formulate the optimization problem and include constraints of physically important variables such as supply temperature, pressures and mass flows.

Keywords: district heating; physical modeling; distribution; optimization

Proceedings of the 11th International Modelica Conference, Versailles, France, September 21-23, 2015

Author:
Håkan Runvik, Per-Ola Larsson, Stéphane Velut, Jonas Funkquist, Markus Bohlin, Andreas Nilsson, Sara Modarrez Razavi
Title:
Production Planning for Distributed District Heating Networks with JModelica.org
DOI:
http://dx.doi.org/10.3384/ecp15118217
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Proceedings of the 11th International Modelica Conference, Versailles, France, September 21-23, 2015

Author:
Håkan Runvik, Per-Ola Larsson, Stéphane Velut, Jonas Funkquist, Markus Bohlin, Andreas Nilsson, Sara Modarrez Razavi
Title:
Production Planning for Distributed District Heating Networks with JModelica.org
DOI:
http://dx.doi.org/10.3384/ecp15118217
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