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Improved control of the consumer substations by using dynamic simulation tools
Norwegian University of Science and Technology, Faculty of Engineering Science and Technology, Department of Energy and Process Engineering.
2014 (English)MasteroppgaveStudent thesis
Abstract [en]

Simulation models are becoming important engineering tool that helps in design and adjustment of physical systems. This paper shows application of Modelica programing language through Dymola simulation environment in analysis and discussion on control system in district heating substation. As a central component of heating substation, the model of plate heat exchanger water-to-water was created and implemented in Modelica/Dymola. Verification of that model was done by measurements performed at Laboratory of Department of energy and Process Engineering, Norwegian University of Science and Technology. Beside of the heat exchanger model, the heat substation model was completed using components from Buildings library developed at Lawrence Berkley National Laboratory. Afterwards, the substation model was integrated in system of four buildings connected to the district heating network in order to show potentials for lowering supply and return water temperature. It has been proven to be very promising, with benefits such as opportunity for low temperature heat sources and reducing the heat losses in district heating network. This assignment is realised as a part of the collaborative project Sustainable Energy and Environment in Western Balkans that aims to develop and establish five new internationally recognized MSc study programs for the field of Sustainable Energy and Environment, one at each of the five collaborating universities in three different Western Balkan countries. The project is funded through the Norwegian Programme in Higher Education, Research and Development in the Western Balkans, Programme 3: Energy Sector (HERD Energy) for the period 2011-2013.

Place, publisher, year, edition, pages
Institutt for energi- og prosessteknikk , 2014. , 87 p.
URN: urn:nbn:no:ntnu:diva-27131Local ID: ntnudaim:12150OAI: diva2:758250
Available from: 2014-10-25 Created: 2014-10-25 Last updated: 2014-10-25Bibliographically approved

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