Reference : Reconstructing and Tracking Network State from a Limited Number of Synchrophasor Measure...
Scientific journals : Article
Engineering, computing & technology : Electrical & electronics engineering
http://hdl.handle.net/2268/134637
Reconstructing and Tracking Network State from a Limited Number of Synchrophasor Measurements
English
Glavic, Mevludin []
Van Cutsem, Thierry mailto [Université de Liège - ULg > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes et modélisation >]
May-2013
IEEE Transactions on Power Systems
IEEE
28
Special section on “Synchrophasor Applications in Power Systems”
1921-1929
Yes (verified by ORBi)
International
0885-8950
Piscataway
NJ
[en] PMU ; synchronized phasor measurements ; state estimation ; state reconstruction ; tracking ; constrained least§squares
[en] A method is proposed to reconstruct and track network state from a limited number of Phasor Measurement Unit (PMU) data. To deal with the resulting unobservability, the state with bus powers and generator voltages closest to previously estimated values is computed. Those values, treated as pseudomeasurements, are obtained from the last reconstructed state, in a recursive manner. The method involves solving an optimization problem with linear constraints. It is scalable insofar as it accommodates from a few PMUs up to configurations ensuring full network observability. Reconstruction of only a region is possible. These and other features are demonstrated on the Nordic32 test system, with synchronized phasors obtained from detailed time simulation of a situation evolving towards instability. Suitable choices of PMU location and pseudo-measurements are also discussed.
Fonds de la Recherche Scientifique (Communauté française de Belgique) - F.R.S.-FNRS
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/134637
10.1109/TPWRS.2012.2231439
http://ieeexplore.ieee.org/Xplore/guesthome.jsp
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