Research Output per year
Network
Recent external collaboration on country level. Dive into details by clicking on the dots.
Research Output
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 Access
File
Binary Search and Fit Algorithm for Improved Voltage Stability Boundary Monitoring
Jørgensen, C. H. L., Karatas, B. C., Jóhannsson, H. & Sommer, S., 1 Sep 2019, Proceedings of 2019 IEEE PES Innovative Smart Grid Technologies Europe, ISGT-Europe 2019. IEEE, 5 p. 8905466. (Proceedings of 2019 IEEE PES Innovative Smart Grid Technologies Europe, ISGT-Europe 2019).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Cascading outage assessment using thévenin equivalent static contingency assessment
Petersen, P. F., Oxholm, C., Moller, J. G. & Johannsson, H., 1 Jun 2019, Proceedings of 2019 IEEE Milan PowerTech. IEEE, 6 p. 8810917Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Evaluation of Factorization Methods for Thévenin Equivalent Computations in Real-Time Stability Assessment
Hildebrandt, C., Karatas, B. C., Glarbo Muller, J. & Johannsson, H., 2018, Proceedings of 2018 Power Systems Computation Conference. IEEE, p. 7 pp. 7 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Open Access
File
Improved Voltage Stability Boundary Monitoring by Accounting for Variations in Thevenin Voltage Magnitude.
Karatas, B. C., Jóhannsson, H. & Nielsen, A. H., 2018, Proceedings of 8th IEEE PES Innovative Smart Grid Technologies Conference. IEEE, 6 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Open Access
File
Projects
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
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 → 31/10/2020
Project: PhD
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
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 → 14/02/2020
Project: PhD
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
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
Real-Time Stability Assessment based on Synchrophasors: IEEE PowerTech 2011
Hjörtur Jóhannsson (Speaker)
20 Jun 2011
Activity: Talks and presentations › Conference presentations