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Control algorithms for PV and Heat Pump system using thermal and electrical storage
Dalarna University, School of Technology and Business Studies, Energy Technology. Uppsala universitet.ORCID iD: 0000-0003-0402-8433
Uppsala universitet, Fasta tillståndets fysik.ORCID iD: 0000-0001-6745-3635
Dalarna University, School of Technology and Business Studies, Energy Technology.
2016 (English)In: Proceedings of the 11th ISES EuroSun 2016 International Conference on Solar Energy for Buildings and Industry, Palma de Mallorca, Spain, 11-14 October 2016, International Solar Energy Society , 2016Conference paper, Published paper (Other academic)
Abstract [en]

In this study a detailed model of a single-family house with an exhaust air heat pump and photovoltaic system is developed in the simulation software TRNSYS. The model is used to evaluate three control algorithms using thermal and electrical storage in terms of final energy, solar fraction, self-consumption and seasonal performance factor. The algorithms are tested and compared with respect to energetic improvement for 1) use of the heat pump plus storage tank for domestic hot water and space heating, 2) use of the electrical storage in batteries and 3) use of both electrical and thermal storage. Results show the highest increase of self-consumption to 50.5%, solar fraction to 40.6% and final energy decrease to 6923 kWh by implementing the third algorithm in a system with 9.36 kW PV capacity and battery storage of 10.8 kWh. The use of electrical energy storage has higher positive impact compared to the thermal storage with the settings and component sizes used. The combined use of thermal storage and batteries leads to final energy savings that are nearly the same as the combined savings of thermal storage and batteries separately, showing that they are mostly independent of one another for the settings of this study.

Place, publisher, year, edition, pages
International Solar Energy Society , 2016.
Keywords [en]
Photovoltaics, heap pump, thermal storage, electrical storage, solar fraction, self-consumption
National Category
Energy Engineering
Research subject
Energy, Forests and Built Environments
Identifiers
URN: urn:nbn:se:du-25960DOI: 10.18086/eurosun.2016.08.13ISI: 000426895100130OAI: oai:DiVA.org:du-25960DiVA, id: diva2:1138495
Conference
EuroSun 2016 International Conference on Solar Energy for Buildings and Industry
Available from: 2017-08-16 Created: 2017-09-05 Last updated: 2018-05-17Bibliographically approved

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Psimopoulos, EmmanouilBales, Chris

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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  • vancouver
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  • chicago-note-bibliography
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More styles
Language
  • de-DE
  • en-GB
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  • nn-NB
  • sv-SE
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Output format
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