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dc.contributor.authorRohde, Daniel
dc.contributor.authorBantle, Michael
dc.contributor.authorAndresen, Trond
dc.contributor.authorNord, Natasa
dc.date.accessioned2018-05-09T12:57:54Z
dc.date.available2018-05-09T12:57:54Z
dc.date.created2015-11-03T16:00:02Z
dc.date.issued2015
dc.identifier.isbn978-2-36215-012-8
dc.identifier.urihttp://hdl.handle.net/11250/2497828
dc.description.abstractIn large buildings and building complexes, energy use can be reduced by efficient interaction between heating and cooling demands and thermal storage (short and long term storage). This work describes an integrated energy system in Norway which supplied several commercial and residential buildings with heating and cooling. The integrated thermal energy system consisted of heat pumps (~1 MW total cooling capacity), solar thermal collectors (290 m2), district heating connection as well as water tanks (15000 l) and boreholes (62 x 300 m) for thermal energy storage. The water tanks acted as buffer and balanced the mismatch of supply and demand during a day. The seasonal operation modes were chosen depending on the outdoor conditions. In summer, the condenser heat from the cooling systems and the solar collectors was sent to the boreholes. In winter, the heat pumps used the boreholes and the surplus heat from the cooling systems as heat source and delivered heat to the buildings for space heating and domestic hot water. In spring, certain cooling demands could be covered by free-cooling as long as the borehole temperature was low enough. District heating was utilized to lift the temperature for the domestic hot water and also served as backup system. In this work, the system is described in detail and operational data is presented. Improvement suggestions are made which could cut operational costsnb_NO
dc.language.isoengnb_NO
dc.publisherInternational Institute of Refrigerationnb_NO
dc.relation.ispartofProceedings of the 24th International Congress of Refrigeration
dc.titleDocumentation of an integrated thermal energy system for a building complexnb_NO
dc.typeChapternb_NO
dc.description.versionacceptedVersionnb_NO
dc.identifier.cristin1285995
dc.relation.projectNorges forskningsråd: 228656nb_NO
dc.description.localcodeThis chapter will not be available due to copyright restrictions (c) 2015 by International Institute of Refrigerationnb_NO
cristin.unitcode194,64,25,0
cristin.unitnameInstitutt for energi- og prosessteknikk
cristin.ispublishedtrue
cristin.fulltextpostprint
cristin.qualitycode1


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