Konferensartikel

Optimal Control of District Heating Systems using Dynamic Simulation and Mixed Integer Linear Programming

Loïc Giraud
Univ. Grenoble Alpes, INES, F-73375 Le Bourget du Lac, France

Massinissa Merabet
Univ. Grenoble Alpes, INES, F-73375 Le Bourget du Lac, France

Roland Baviere
CEA, LITEN, 17, Rue des Martyrs, F-38054 Grenoble, France

Mathieu Vallée
Univ. Grenoble Alpes, INES, F-73375 Le Bourget du Lac, France

Ladda ner artikelhttp://dx.doi.org/10.3384/ecp17132141

Ingår i: Proceedings of the 12th International Modelica Conference, Prague, Czech Republic, May 15-17, 2017

Linköping Electronic Conference Proceedings 132:14, s. 141-150

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Publicerad: 2017-07-04

ISBN: 978-91-7685-575-1

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

Abstract

This paper presents the development of a new advanced control method suitable for variable temperature District Heating Systems (DHS). The proposed controller determines optimal planning for the on/off status and power of the heat generators as well as for the supply temperature and differential pressure at the production plant level. Compared to existing methods, the original features of the developed solution are to fully exploit the thermal storage capacity of the network and to determine the best compromise between pumping costs and heat losses. A numerical case study based on a representative DHS is used to evaluate the method over a heating season (5 months). Results show that our method reduces production costs up to 8.3 % when compared to a more classical controller. Moreover, the observed computational costs are compatible with the requirements of the receding time horizon principle, ensuring that the method is tractable on real DHS.

Nyckelord

District Heating, Model Predictive Control, Dynamic Simulation, Mixed Integer Linear Programming

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