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Kinetic Energy Estimation in the Nordic System
RISE - Research Institutes of Sweden, Safety and Transport, Measurement Science and Technology.
Chalmers Unirsity of Technology, Sweden.
2018 (English)In: Proceedings of the 20th Power Systems Computation Conference - PSCC 2018, 2018Conference paper, Published paper (Refereed)
Abstract [en]

Analgorithm for estimating the kinetic energy in the Nordic power system has beenpresented and compared to the TSOs’ estimation based on breaker status. Theaverage error between the TSOs’ estimate and the proposed estimate is 0.83%.Furthermore, the standard deviation between the two estimates is 13 GWs, about7% of the system average kinetic energy. The proposed estimate manages tocapture the diurnal variation of the system kinetic energy with a correlationcoefficient of 0.94. The total system kinetic energy in 2015 is estimatedconsidering a possible contribution of kinetic energy from wind turbines duringa large power imbalance. Lastly, the Nordic kinetic inertia is estimated for2025, with and without possible contributions from wind, further increasing thereleased kinetic energy during a n-1 contingency with 22%.

Place, publisher, year, edition, pages
2018.
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-33951ISBN: 978-19-109631-0-4 (electronic)OAI: oai:DiVA.org:ri-33951DiVA, id: diva2:1228784
Conference
20th Power Systems Computation Conference - PSCC 2018. June 11-15, 2018, Dublin, Ireland
Available from: 2018-06-28 Created: 2018-06-28 Last updated: 2018-06-28Bibliographically approved

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CiteExportLink to record
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