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On the physical system modelling of energy storages as equivalent circuits with parameter description for variable load demand (Part I)
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.ORCID iD: 0000-0003-4740-1832
2017 (English)In: Journal of Energy Storage, ISSN 2352-152X, Vol. 13, p. 73-84Article in journal (Refereed) Published
Abstract [en]

Energy storages take a key role in electrical energy balancing in our power grid in respect to the increasing utilization of renewable energies. Assessing the effectiveness of energy storages and finding the optimal use under varying load conditions is essential which requires accurate modelling. This study highlights the equivalent circuit modelling approach for different energy storages. The model parameters R, L, C and Ub define the storage system in question allowing us to analyse storage devices under varying load conditions. Technical assessment criteria (efficiency, response time etc.) of energy storages can also be deducted from these models. Energy storages feature non-linear characteristics which are reflected in variable model parameters.

Place, publisher, year, edition, pages
Elsevier, 2017. Vol. 13, p. 73-84
Keywords [en]
Batteries, Capacitors, Energy storage, Equivalent circuits, Flywheels, Physical system modelling, Pumped hydro storage, Smart grid, Ultracapacitors
National Category
Energy Systems
Identifiers
URN: urn:nbn:se:kth:diva-212218DOI: 10.1016/j.est.2017.05.015ISI: 000417183300008Scopus ID: 2-s2.0-85022081882OAI: oai:DiVA.org:kth-212218DiVA, id: diva2:1134734
Note

QC 20170821

Available from: 2017-08-21 Created: 2017-08-21 Last updated: 2018-01-03Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
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Language
  • de-DE
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  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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