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Turbulence influence on optimum tip speed ratio for a 200 kW vertical axis wind turbine
Halmstad University, School of Business, Engineering and Science, Biological and Environmental Systems (BLESS), Energiteknik. Uppsala University, Uppsala, Sweden.ORCID iD: 0000-0001-9982-5317
Uppsala University, Uppsala, Sweden.
Uppsala University, Uppsala, Sweden.
Halmstad University, School of Business, Engineering and Science, Biological and Environmental Systems (BLESS), Energiteknik.
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2016 (English)Conference paper (Refereed)
Abstract [en]

The influence of turbulence intensity (TI) on the tip speed ratio for maximum power coefficient, here called λCp-max, is studied for a 200 kW VAWT H-rotor using logged data from a 14 month period with the H-rotor operating in wind speeds up to 9 m/s. The TI - λCp-max relation is examined by dividing 10 min mean values in different turbulence intensity ranges and producing multiple CP(λ) curves. A clear positive relation between TI and λCp-max is shown and is further strengthened as possible secondary effects are examined and deemed non-essential. The established relation makes it possible to tune the control strategy to enhance the total efficiency of the turbine.

Place, publisher, year, edition, pages
Bristol: Institute of Physics Publishing (IOPP), 2016. Vol. 753, 032048
Series
Journal of Physics Conference Series, ISSN 1742-6588 ; 753
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:hh:diva-32175DOI: 10.1088/1742-6596/753/3/032048OAI: oai:DiVA.org:hh-32175DiVA: diva2:1033749
Conference
6th Science of Making Torque from Wind Conference, Technical University of Munich, Munich, Germany, Oct. 5-7, 2016
Funder
StandUp
Available from: 2016-10-09 Created: 2016-10-09 Last updated: 2016-10-10Bibliographically approved

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Möllerström, ErikOttermo, FredricHylander, Jonny
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • 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