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Kinetic energy estimation in the Nordic system
RISE - Research Institutes of Sweden, Safety and Transport, Measurement Science and Technology.
Chalmers University of Technology, Sweden. (Chalmers, Elkraftsteknik)
2018 (English)In: Proceedings of the 20th Power Systems Computation Conference, 2018Conference paper, Published paper (Refereed)
Abstract [en]

An algorithm for estimating the kinetic energy in the Nordic power system has been presented and compared to the TSOs’ estimation based on breaker status. The average error between the TSOs’ estimate and the proposed estimate is 0.83%. Furthermore, the standard deviation between the two estimates is 13 GWs, about 7% of the system average kinetic energy. The proposed estimate manages to capture the diurnal variation of the system kinetic energy with a correlation coefficient of 0.94. The total system kinetic energy in 2015 is estimated considering a possible contribution of kinetic energy from wind turbines during a large power imbalance. Lastly, the Nordic kinetic inertia is estimated for 2025, with and without possible contributions from wind, further increasing the released kinetic energy during a n-1 contingency with 22%.

Place, publisher, year, edition, pages
2018.
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:ri:diva-34111OAI: oai:DiVA.org:ri-34111DiVA, id: diva2:1232440
Conference
20th Power Systems Computation Conference (PSCC) 2018
Available from: 2018-07-11 Created: 2018-07-11 Last updated: 2018-07-30Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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