Hjörtur Jóhannsson

  1. 2016
  2. Published

    Real-time remedial action against aperiodic small signal rotor angle instability. / Weckesser, Johannes Tilman Gabriel; Jóhannsson, Hjörtur; Østergaard, Jacob.

    In: IEEE Transactions on Power Systems, Vol. 31, No. 1, 2016, p. 387-396.

    Publication: Research - peer-reviewJournal article – Annual report year: 2016

  3. 2015
  4. Published

    Convex Relaxation of Power Dispatch for Voltage Stability Improvement. / Pedersen, Andreas Søndergaard; Blanke, Mogens; Jóhannsson, Hjörtur.

    Proceedings of the 2015 IEEE Multi-Conference on Systems and Control (MSC). IEEE, 2015. p. 1528-1533.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2015

  5. Published

    Critical machine cluster identification using the equal area criterion. / Weckesser, Johannes Tilman Gabriel; Jóhannsson, Hjörtur; Østergaard, Jacob.

    Proceedings of 2015 IEEE Power & Energy Society General Meeting. IEEE, 2015. p. 1-5.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2015

  6. Published

    Derivation and application of sensitivities to assess transient voltage sags caused by rotor swings. / Weckesser, Johannes Tilman Gabriel; Jóhannsson, Hjörtur; Østergaard, Jacob; Van Cutsem, Thieery.

    In: International Journal of Electrical Power & Energy Systems, Vol. 72, No. Special Issue, 2015, p. 75-82.

    Publication: Research - peer-reviewJournal article – Annual report year: 2015

  7. Published

    Early Prevention Method for Power System Instability. / Dmitrova, Evgenia; Wittrock, Martin Lindholm; Jóhannsson, Hjörtur; Nielsen, Arne Hejde.

    In: IEEE Transactions on Power Systems, Vol. 30, No. 4, 2015, p. 1784-1792.

    Publication: Research - peer-reviewJournal article – Annual report year: 2015

  8. Accepted/In press

    Evaluation of HVDC interconnection models for considering its impact in real-time voltage stability assessment. / Perez, Angel; Jóhannsson, Hjörtur; Lund, P.; Østergaard, Jacob.

    Proceedings of MEPS 2015. IEEE, 2015.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2015

  9. E-pub ahead of print
  10. Published

    Improved method for considering PMU’s uncertainty and its effect on real-time stability assessment methods based on Thevenin equivalent. / Perez, Angel; Jóhannsson, Hjörtur; Østergaard, Jacob; Martin, Kenneth .

    Proceedings of PowerTech Eindhoven 2015. IEEE, 2015.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2015

  11. Published
  12. Published

    Investigation of Suitability of Cascading Outage Assessment Methods for Real-Time Assessment. / Petersen, Pauli Fríðheim; Jóhannsson, Hjörtur; Nielsen, Arne Hejde.

    2015. Paper presented at PowerTech Eindhoven 2015, Eindhoven, Netherlands.

    Publication: Research - peer-reviewPaper – Annual report year: 2015

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