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Energioptimering med laststyrning av fjärrvärme på Sandåkern
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics.
2012 (Swedish)Independent thesis Advanced level (degree of Master (One Year)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

District heating is an efficient way to supply buildings and larger housing areas with heat and due to new technologies further optimizations can be done in the heating distribution and use between different building and housing areas. This is called Load Control.

At times of high loads of energy use, there is a possibility to displace a part of that load to later point in time and in such a way eliminate load peaks. This way peak load production can be restricted to lower levels or, preferably, avoided completely.

The aim of this study was to investigate what possible effects Load Control of district heating could have on a new housing district currently under construction called Sandåkern in Umeå. The study focused on the effects of Load control in terms of energy usage, environmental impact and also how the use of heating oil in the production of the district heat might be influenced.

A reference project, that has used Load Control of district heating since the beginning of 2011, is used for estimating possible effects of Load Control at Sandåkern. All statistics, like energy usage and temperatures, comes from the reference project. Excel and the built in support for Visual Basic has been used for all calculations.

The results show that, for the model house Sandåkern Hus 2, an estimated saving in energy usage of 7,7 MWh could be achieved during a common year. Scaled to be equivalent to a number of normal sized districts the savings range from 152 MWh to 610 MWh depending on the assumed sizes.

The use of heating oil could be diminished with 2,6 MWh for the single model house during one common year and this value varies in the range of 51 MWh to 206 MWh for the different sizes of made up districts.

The real effects of Load Control of district heating for Sandåkern will be available when construction work has been completed and statistics measured for the whole housing area can be analyzed.

Place, publisher, year, edition, pages
2012.
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:umu:diva-105424OAI: oai:DiVA.org:umu-105424DiVA: diva2:825323
External cooperation
Umeå Energi AB
Subject / course
Energiteknik
Educational program
Master of Science Programme in Energy Engineering
Supervisors
Examiners
Available from: 2015-06-24 Created: 2015-06-23 Last updated: 2015-06-24Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf