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Flexibility and regulation capability of hydropower systems to balance large amounts of wind power: Influence of plant properties and hydrological conditions
Vattenfall R&D.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity. (Hydropower)
2014 (English)In: 13th International Workshop on Large-Scale Integration of Wind Power into Power Systems as well as on Transmission Networks for Offshore Wind Plants, Berlin, Germany, 11-13 Nov 2014, 2014Conference paper, Published paper (Refereed)
Abstract [en]

The vast expansion of wind power in Sweden has raised questions about the regulation capability of existing hydropower resources. In this paper, the flexibility and relative regulation contribution of two large regulated rivers subject to increasing wind power penetration and different hydrological conditions is analysed through model-based simulations. A 28-day scenario is simulated using detailed models of the two hydropower systems, normally used at Vattenfall for day-ahead production planning. Numeric measures are introduced to measure flexibility and regulation contribution and two properties that characterise a good regulation plant are identified. It is found that the flexibility of a plant is correlated to the discharge factor and that the relative regulation contribution is nearly proportional to the available regulating power. Further it is found that large inflow of water reduces the flexibility in plants or reaches with a small discharge factor.

Place, publisher, year, edition, pages
2014.
Keyword [en]
Discharge factor, flexibility, hydropower, intermittent generation, regulation capability, regulation contribution, regulation factor, renewable power, short-term production planning, wind power integration
National Category
Energy Systems
Research subject
Electrical Engineering with specialization in Systems Analysis
Identifiers
URN: urn:nbn:se:uu:diva-247273ISBN: ISBN 978-3-98 13870-9-4 (print)OAI: oai:DiVA.org:uu-247273DiVA: diva2:795545
Conference
13th Wind Integration Workshop, Berlin, Germany, 11-13 Nov 2014
Available from: 2015-03-16 Created: 2015-03-16 Last updated: 2015-03-20Bibliographically approved

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Bladh, Johan

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • ieee
  • modern-language-association
  • 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