Experiences in using damping estimation methods in real-time oscillation monitoring

Janne Seppanen, Ari Tuononen, Antti Juhani Nikkila, Jukka Turunen, Liisa Haarla

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

1 Citation (Scopus)


This paper presents experiences in applying electromechanical oscillation damping estimation methods in real-time use from the transmission system operator's perspective. A wavelet based method and a method based on the multivariate autoregressive model are used for real-time monitoring of electromechanical oscillations. The paper analyzes the performance of these methods both under transient and ambient conditions. In the paper, real-time ambient data measured from the Nordic power system are analyzed. For transient analysis, also simulated data are used. Based on the results, recommendations regarding the use of modal analysis methods for monitoring of real power systems are given.

Original languageEnglish
Title of host publication2015 IEEE Eindhoven PowerTech, PowerTech 2015
ISBN (Electronic)9781479976935
Publication statusPublished - 31 Aug 2015
MoE publication typeA4 Article in a conference publication
EventIEEE PowerTech - Eindhoven, Netherlands
Duration: 29 Jun 20152 Jul 2015


ConferenceIEEE PowerTech
Abbreviated titlePowerTech


  • damping estimation
  • Electromechanical oscillation
  • power system dynamics
  • wide area monitoring

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