Secure Operation of Sustainable Power Systems

Research Output

2015

Convex Relaxation of Power Dispatch for Voltage Stability Improvement

Pedersen, A. S., Blanke, M. & Jóhannsson, H., 2015, Proceedings of the 2015 IEEE Multi-Conference on Systems and Control (MSC). IEEE, p. 1528-1533

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
462 Downloads (Pure)

Critical machine cluster identification using the equal area criterion

Weckesser, J. T. G., Jóhannsson, H. & Østergaard, J., 2015, Proceedings of 2015 IEEE Power & Energy Society General Meeting. IEEE, p. 1-5

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Derivation and application of sensitivities to assess transient voltage sags caused by rotor swings

Weckesser, J. T. G., Jóhannsson, H., Østergaard, J. & Van Cutsem, T., 2015, In : International Journal of Electrical Power & Energy Systems. 72, Special Issue, p. 75-82

Research output: Contribution to journalJournal articleResearchpeer-review

Early Prevention Method for Power System Instability

Dmitrova, E., Wittrock, M. L., Jóhannsson, H. & Nielsen, A. H., 2015, In : IEEE Transactions on Power Systems. 30, 4, p. 1784-1792 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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785 Downloads (Pure)

Evaluation of HVDC interconnection models for considering its impact in real-time voltage stability assessment

Perez, A., Jóhannsson, H., Lund, P. & Østergaard, J., 2015, Proceedings of MEPS 2015. IEEE, 6 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

7 Downloads (Pure)

Improved method for considering PMU's uncertainty and its effect on real-time stability assessment methods based on Thévenin equivalent

Perez, A., Jóhannsson, H., Østergaard, J. & Martin, K., 2015. 5 p.

Research output: Contribution to conferencePaperResearchpeer-review

Improved method for considering PMU’s uncertainty and its effect on real-time stability assessment methods based on Thevenin equivalent

Perez, A., Jóhannsson, H., Østergaard, J. & Martin, K., 2015, Proceedings of PowerTech Eindhoven 2015. IEEE, 5 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Investigation of Suitability of Cascading Outage Assessment Methods for Real-Time Assessment

Petersen, P. F., Jóhannsson, H. & Nielsen, A. H., 2015. 5 p.

Research output: Contribution to conferencePaperResearchpeer-review

Thevenin Equivalent Method for Dynamic Contingency Assessment

Møller, J. G., Jóhannsson, H. & Østergaard, J., 2015, Proceedings of IEEE Power & Energy Society's General Meeting 2015. IEEE, 5 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
721 Downloads (Pure)

Wind farms generation limits and its impact in real-time voltage stability assessment

Perez, A., Jóhannsson, H. & Østergaard, J., 2015, Proceedings of PowerTech Eindhoven 2015. IEEE, 5 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

1 Downloads (Pure)
2014

Computation of Steady State Nodal Voltages for Fast Security Assessment in Power Systems

Møller, J. G., Jóhannsson, H. & Østergaard, J., 2014, Proceedings of IEEE Electric Power Quality and Supply Reliability Conference 2014. IEEE, p. 51-55

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

File
432 Downloads (Pure)

Early Prediction of Transient Voltage Sags caused by Rotor Swings

Weckesser, J. T. G., Jóhannsson, H. & Van Cutsem, T., 2014, Proceedings of the 2014 IEEE PES General Meeting . IEEE, 5 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

File
465 Downloads (Pure)

Evaluation of enhancements to Thevenin equivalent based methods for real-time voltage stability assessment

Perez, A., Jóhannsson, H. & Østergaard, J., 2014, Proceedings of 5th IEEE PES Innovative Smart Grid Technologies . IEEE, 5 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

On-line Dynamic Security Assessment in Power Systems.

Weckesser, J. T. G., 2014, Technical University of Denmark, Department of Electrical Engineering. 180 p.

Research output: Book/ReportPh.D. thesisResearch

Open Access
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1297 Downloads (Pure)

Sensitivity based Assessment of Transient Voltage Sags caused by Rotor Swings

Weckesser, J. T. G., Jóhannsson, H., Østergaard, J. & Van Cutsem, T., 2014, Proceedings of 18th Power Systems Computation Conference (PSCC'14). IEEE, 7 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

SOSPO-SP: Secure Operation of Sustainable Power Systems Simulation Platform for Real-Time System State Evaluation and Control

Morais, H., Vancraeyveld, P., Pedersen, A. H. B., Lind, M., Jóhannsson, H. & Østergaard, J., 2014, In : I E E E Transactions on Industrial Informatics. p. 2318-2329 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

3 Downloads (Pure)

Stabiliser Fault Emergency Control using Reconfiguration to Preserve Power System Stability

Pedersen, A. S., Richter, J. H., Tabatabaeipour, M., Jóhannsson, H. & Blanke, M., 2014, Proceedings of the 19th IFAC World Congress. International Federation of Automatic Control, 7 p. (I F A C Workshop Series; No. 1, Vol. 19).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

File
516 Downloads (Pure)

SW-platform for R&D in Applications of Synchrophasor Measurements for Wide-Area Assessment, Control and Visualization in Real-Time

Jóhannsson, H., Morais, H., Pedersen, A. H. B., Wu, Q. & Ouellette, D., 2014, Grid of the Future. 8 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
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210 Downloads (Pure)

Technical Resource Potential of Non-disruptive Residential Demand Response in Denmark

Mathieu, J., Rasmussen, T. B., Sørensen, M., Jóhannsson, H. & Andersson, G., 2014, Proceedings of 2014 IEEE Power & Energy Society General Meeting. IEEE, 5 p. 6938939

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Uncertainty in real-time voltage stability assessment methods based on Thevenin equivalent due to PMU’s accuracy

Perez, A., Møller, J. G., Jóhannsson, H. & Østergaard, J., 2014, Proceedings of 5th IEEE PES Innovative Smart Grid Technologies. IEEE, 6 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Wide-Area Assessment of Aperiodic Small Signal Rotor Angle Stability in Real-Time

Jóhannsson, H., Nielsen, A. H. & Østergaard, J., 2014, Proceedings of 2014 IEEE PES General Meeting, Conference & Exposition. IEEE, 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearchpeer-review

Wide Area Prosumption Control and Sensitivities of Aperiodic Small Signal Stability Indicators

Wittrock, M. L., Jóhannsson, H. & Nielsen, A. H., 2014, Proceedings of ISGT 2014 Europe. IEEE, p. 1-6 6 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

1 Downloads (Pure)
2013

An implementation and test platform for wide area stability assessment methods

Wittrock, M. L. & Jóhannsson, H., 2013, Proceedings of the 2013 IEEE PES Innovative Smart Grid Technologies Conference. IEEE, 5 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Early Prevention Method for Power Systems Instability

Dmitrova, E., 2013, Technical University of Denmark, Department of Electrical Engineering. 148 p.

Research output: Book/ReportPh.D. thesisResearch

Open Access
File
1016 Downloads (Pure)

Early Prevention of Instability-Use of Self Propagating Graph for the Fast Search for Optimal Grid Nodes to Apply Countermeasures

Dmitrova, E., Jóhannsson, H. & Nielsen, A. H., 2013, Proceedings of the 2013 IEEE PowerTech Conference. IEEE, 5 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

File
298 Downloads (Pure)

Fast assessment of the effect of preventive wide area emergency control

Dmitrova, E., Jóhannsson, H. & Nielsen, A. H., 2013, Proceedings of 2013 IEEE PES Innovative Smart Grid Technologies . IEEE, 5 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Impact of Model Detail of Synchronous Machines on Real-time Transient Stability Assessment

Weckesser, J. T. G., Jóhannsson, H. & Østergaard, J., 2013, Proceedings of 2013 IREP Symposium. IEEE, 9 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
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2894 Downloads (Pure)

Influence of current limitation on voltage stability with voltage sourced converter HVDC

Zeni, L., Jóhannsson, H., Hansen, A. D., Sørensen, P. E., Hesselbæk, B. & Kjær, P. C., 2013, 2013 IEEE PES Innovative Smart Grid Technologies Conference Europe. IEEE, 5 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Method of determining remedial control actions for a power system in an insecure state

Jóhannsson, H. & Weckesser, J. T. G., 2013, IPC No. G05D5/00; H02J3/24; H02J3/46 , Patent No. WO2013098184, 28 Dec 2011

Research output: Patent

Open Access
File
121 Downloads (Pure)

Real-Time Thevenin Impedance Computation

Sommer, S. H. & Jóhannsson, H., 2013, 2013 IEEE PES Innovative Smart Grid Technologies . IEEE, p. 6497824

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

File
404 Downloads (Pure)

Suitability of voltage stability study methods for real-time assessment

Perez, A., Jóhannsson, H., Vancraeyveld, P. & Østergaard, J., 2013, Proceedings of the 2013 IEEE PES Innovative Smart Grid Technologies Conference . IEEE, 5 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

System security assessment in real-time using synchrophasor measurements

Jóhannsson, H. & Wache, M., 2013, Proceedings of 2013 IEEE PES Innovative Smart Grid Technologies . IEEE, 5 p.

Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

File
351 Downloads (Pure)

Wide-Area Assessment of Aperiodic Small Signal Rotor Angle Stability in Real-Time

Jóhannsson, H., Nielsen, A. H. & Østergaard, J., 2013, In : IEEE Transactions on Power Systems. 28, 4, p. 4545-4557

Research output: Contribution to journalJournal articleResearchpeer-review

File
518 Downloads (Pure)
2012

Addressing the security of a future sustainable power system: The Danish SOSPO project

Yang, G., Jóhannsson, H., Lind, M., Garcia-Valle, R., Blanke, M., Nielsen, A. H. & Østergaard, J., 2012, Conference proceedings of the 9th IET International Conference on Advances in Power System Control, Operation and Management. Institution of Engineering and Technology, 5 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Assessment of the impact that individual voltage source has on a generator’s stability

Dmitrova, E., Jóhannsson, H. & Nielsen, A. H., 2012, Proceedings of 10th International Power and Energy Conference, IPEC 2012. 6 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Early prevention of instability - search for optimal grid nodes for applying countermeasures

Dmitrova, E., Jóhannsson, H. & Nielsen, A. H., 2012, 2012 11th International Conference on Environment and Electrical Engineering. IEEE, p. 496 - 501

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Identification of Critical Transmission Limits in Injection Impedance Plane

Jóhannsson, H., Østergaard, J. & Nielsen, A. H., 2012, In : International Journal of Electrical Power & Energy Systems. 43, 1, p. 433–443

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
343 Downloads (Pure)

Investigation of the Adaptability of Transient Stability Assessment Methods to Real-Time Operation

Weckesser, J. T. G., Jóhannsson, H., Sommer, S. & Østergaard, J., 2012, IEEE PES Innovative Smart Grid Technologies Conference Europe. IEEE, 9 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

File
593 Downloads (Pure)
2011

Real-Time Stability Assessment based on Synchrophasors

Jóhannsson, H., Garcia-Valle, R., Weckesser, J. T. G., Nielsen, A. H. & Østergaard, J., 2011, IEEE PES Trondheim PowerTech. IEEE

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

File
497 Downloads (Pure)