Research Output per year
Network
Recent external collaboration on country level. Dive into details by clicking on the dots.
Research Output 2008 2019
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. Institute of Electrical and Electronics Engineers Inc., 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 2007 2021
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 → 14/05/2020
Project: PhD
SARP: Security Assessment of Renewable Power Systems
Jóhannsson, H., Sørensen, P. E., Karatas, B. C., Sarkar, M. & Jørgensen, C. H. L.
01/04/2016 → 31/03/2020
Project: Research
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
Activities 2011 2011
- 2 Conference presentations
Real-Time Stability Assessment based on Synchrophasors: IEEE PowerTech 2011
Hjörtur Jóhannsson (Speaker)20 Jun 2011
Activity: Talks and presentations › 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