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Sensitivity based Assessment of Transient Voltage Sags caused by Rotor Swings
Weckesser, Tilman; Jóhansson, Hjörtur; Ostergaard, Jacob et al.
2014In Proc. 18th Power System Computation Conference
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Keywords :
power system stability; sensitivity to rotor swings; transient stability; voltage sag
Abstract :
[en] The paper introduces an approach to investigate voltage sags, which are caused by large generator rotor swings following a transient disturbance. Therefore, the method exploits sensitivities derived from the algebraic network equations. These provide information on the impact of a generator on the voltage magnitude at a load bus and the effect of load variation on the generator’s power injection. It is shown that these sensitivities give valuable information to identify critical generator-load pairs and locations for applying preventive control measures.
Disciplines :
Electrical & electronics engineering
Author, co-author :
Weckesser, Tilman
Jóhansson, Hjörtur
Ostergaard, Jacob
Van Cutsem, Thierry  ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes et modélisation
Language :
English
Title :
Sensitivity based Assessment of Transient Voltage Sags caused by Rotor Swings
Publication date :
22 August 2014
Event name :
18th Power System Computation Conference
Event organizer :
PSCC & Wroclaw Technical University
Event place :
Wroclaw, Poland
Event date :
August 18-22, 2014
Audience :
International
Main work title :
Proc. 18th Power System Computation Conference
Peer reviewed :
Peer reviewed
Name of the research project :
SOSPO project
Funders :
Danish Council for Strategic Research [DK]
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
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