Research output per year
Research output per year
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Dive into the research topics where Hjörtur Jóhannsson is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Research output
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Estimation of Oscillatory Mode Activity from PMU Measurements
Haugdal, H., Uhlen, K., Müller, D. & Johannsson, H., 2020, Proceedings of 2020 IEEE PES Innovative Smart Grid Technologies Europe. IEEE, p. 201-205Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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Impact of Reduced Synchronous Machine Capacity on Damping and Phase of Inter-Area Oscillations
Müller, D., Johannsson, H. & Uhlen, K., 2020, Proceedings of 2020 IEEE PES Innovative Smart Grid Technologies Europe. IEEE, p. 394-398Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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Voltage stability assessment accounting for current-limited converters
Karatas, B. C., Sarkar, M., Jóhannsson, H., Nielsen, A. H. & Sørensen, P. E., 2020, In: Electric Power Systems Research. 189, 8 p., 106772.Research output: Contribution to journal › Journal article › Research › peer-review
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Voltage stability assessment accounting for non-linearity of Thévenin voltages
Karatas, B. C., Jóhannsson, H. & Nielsen, A. H., 21 Aug 2020, In: IET Generation, Transmission and Distribution. 14, 16, p. 3338-3345Research output: Contribution to journal › Journal article › Research › peer-review
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A Memory-Efficient Parallelizable Method for Computation of Thévenin Equivalents used in Real-Time Stability Assessment
Jørgensen, C. H. L., Møller, J. G., Sommer, S. & Jóhannsson, H., 2019, In: I E E E Transactions on Power Systems. 34, 4, p. 2675-2684 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile
Projects
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Smart Wide Area Monitoring and Control for Secure Operation of Systems with high Penetration of renewable energy sources
Haugdal, H., Nielsen, A. H., Jóhannsson, H. & Uhlen, K.
01/01/2018 → 31/12/2021
Project: PhD
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Development of methods for element-wise assessment of oscillatory rotor-angle stability
Müller, D., Nielsen, A. H., Jóhannsson, H. & Uhlen, K.
Technical University of Denmark
01/11/2017 → 28/02/2021
Project: PhD
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High Performance Algorithms Enabling Real-Time Security Assessment of Sustainable Electric Power Systems
Jørgensen, C. H. L., Nielsen, A. H., Jóhannsson, H. & Sommer, S. H.
15/05/2017 → 26/03/2021
Project: PhD
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Modelling of renewable energy under stressed power system stability conditions
Sarkar, M., Sørensen, P. E., Hansen, A. D., Jóhannsson, H., Altin, M., Cutululis, N. A., Flynn, D. & Pal, B. C.
15/11/2016 → 04/06/2020
Project: PhD
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Voltage Stability in RES based power systems
Karatas, B. C., Nielsen, A. H., Jóhannsson, H., Wu, Q., Li, F. & Terzija, V.
15/05/2016 → 15/01/2020
Project: PhD
Activities
- 2 Conference presentations
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Real-Time Stability Assessment based on Synchrophasors: IEEE PowerTech 2011
Hjörtur Jóhannsson (Speaker)
20 Jun 2011Activity: Talks and presentations › Conference presentations
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Udvikling af nye metoder for realtidsstabilitetsovervågning af elforsyningssystemer: PMU/WAMS seminar hos Energinet.dk
Hjörtur Jóhannsson (Speaker)
1 Jan 2011 → …Activity: Talks and presentations › Conference presentations