Hjörtur Johannsson

13 papers C 1Journal 2Unranked 10
YearRankTypeTitle / Venue / Authors
2018 — conf
Improved Voltage Stability Boundary Monitoring by Accounting for Variations in Thevenin Voltage Magnitude.
ISGT Europe
Bahtiyar Can Karatas, Hjörtur Johannsson, Arne Hejde Nielsen
2017 J jnl
Super-Positioning of Voltage Sources for Fast Assessment of Wide-Area Thévenin Equivalents.
IEEE Trans. Smart Grid
Jakob Glarbo Møller, Hjörtur Johannsson, Jacob Østergaard
2015 C conf
Convex relaxation of power dispatch for voltage stability improvement.
CCA
Andreas S. Pedersen, Mogens Blanke, Hjörtur Johannsson
2014 J jnl
SOSPO-SP: Secure Operation of Sustainable Power Systems Simulation Platform for Real-Time System State Evaluation and Control.
IEEE Trans. Ind. Informatics
Hugo Morais, Pieter Vancraeyveld, Allan Henning Birger Pedersen, Morten Lind, Hjörtur Johannsson, Jacob Østergaard
2014 — conf
Sensitivity based assessment of transient voltage sags caused by rotor swings.
PSCC
Tilman Weckesser, Hjörtur Johannsson, Jacob Østergaard, Thierry Van Cutsem
2013 — conf
An implementation and test platform for wide area stability assessment methods.
ISGT Europe
Martin Lindholm Wittrock, Hjörtur Johannsson, Rodrigo Garcia-Valle
2013 — conf
Fast assessment of the effect of preventive wide area emergency control.
ISGT Europe
Evgenia Dmitrova, Hjörtur Johannsson, Arne Hejde Nielsen
2013 — conf
Influence of current limitation on voltage stability with Voltage Sourced Converter HVDC.
ISGT Europe
Lorenzo Zeni, Hjörtur Johannsson, Anca Daniela Hansen, Poul Ejnar Sørensen, Bo Hesselbaek, Philip C. Kjaer
2013 — conf
Real-time thevenin impedance computation.
ISGT
Stefan Sommer, Hjörtur Johannsson
2013 — conf
Suitability of voltage stability study methods for real-time assessment.
ISGT Europe
Angel Perez, Hjörtur Johannsson, Pieter Vancraeyveld, Jacob Østergaard
2013 — conf
System security assessment in real-time using synchrophasor measurements.
ISGT Europe
Hjörtur Johannsson, Markus Wache
2012 — conf
Assessment of the impact that individual voltage source has on a generator's stability.
A-SSCC
Evgenia Dmitrova, Hjörtur Johannsson, Arne Hejde Nielsen
2012 — conf
Investigation of the adaptability of transient stability assessment methods to real-time operation.
ISGT Europe
Tilman Weckesser, Hjörtur Johannsson, Stefan Sommer, Jacob Østergaard