Hjörtur Jóhannsson

  1. 2016
  2. Published

    Fault Tolerant Emergency Control to Preserve Power System Stability. / Pedersen, Andreas Søndergaard; Richter, Jan H.; Tabatabaeipour, Mojtaba; Jóhannsson, Hjörtur; Blanke, Mogens.

    In: Control Engineering Practice, Vol. 53, 2016, p. 151–159.

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

  3. Published

    Improved Thévenin equivalent methods for real-time voltage stability assessment. / Perez, Angel; Jóhannsson, Hjörtur; Østergaard, Jacob; Glavic, Mevludin; Van Cutsem, Thierry.

    Proceedings of 2016 IEEE International Energy Conference. IEEE, 2016.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2016

  4. Published

    On-Line Generation and Arming of System Protection Schemes. / Pedersen, Andreas Søndergaard; Blanke, Mogens; Møller, Jakob Glarbo; Jóhannsson, Hjörtur.

    Proceedings of the 10th Electric Power Quality and Supply Reliability Conference . IEEE, 2016. p. 277-281.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2016

  5. Accepted/In press

    Real-Time Countermeasures Preventing Power System Instability by using PMU data from RTDS simulation. / Karatas, Bahtiyar Can; Jóhannsson, Hjörtur; Nielsen, Arne Hejde.

    Proceedings of IEEE PES Asia-Pacific Power and Energy Engineering Conferenc. IEEE, 2016.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2016

  6. 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

  7. Published

    Unweighted Betweenness Centrality for Critical Fault Detection for Cascading Outage Assessment. / Petersen, Pauli Fríðheim; Jóhannsson, Hjörtur; Nielsen, Arne Hejde.

    Proceedings of 2016 IEEE International Energy Conference . IEEE, 2016.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2016

  8. 2015
  9. Published

    Thévenin equivalent based static contingency assessment. / Jóhannsson, Hjörtur (Inventor); Møller, Jakob Glarbo (Inventor).

    IPC No.: H02J 3/ 04 A I. Patent No.: WO2015150577. Oct 08, 2015.

    Publication: ResearchPatent – Annual report year: 2015

  10. 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

  11. 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

  12. 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

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