Open AccessJournal Article
On line tracking state estimation in power system
S. C. Tripathy,S. Chohan +1 more
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In this paper the tracking of the time varying power system state is analysed and two different tracking algorithms were tested: suitable to Snapshot scan and Sequential scan mode of measurement system.Abstract:
In this paper the tracking of the time varying power system state is analysed. A tracking state estimator is a digital feedback loop (a computer algorithm) which uses real time measurements of voltage magnitudes, real power flows and reactive power flows to track the static state as it varies during the daily load cycle. Two different tracking algorithms were tested: suitable to Snapshot scan and Sequential scan mode of measurement system. Results are presented for AEP-30 bus power systemread more
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Proceedings ArticleDOI
Power system tracking and dynamic state estimation
Amit Jain,N. R. Shivakumar +1 more
TL;DR: A bird's view on different methodologies and developments in both dynamic state estimation and tracking state estimation techniques are presented based on a comprehensive survey of the available literature.
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A Dynamic State Estimation Method Based on Mixed Measurements for Power System
TL;DR: An improved method on dynamic state estimation that combines some buses measurements from PMU with measurements from SCADA and then uses RVM to estimate the state of power system is brought forward.
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A new RCTL algorithm based on shortest paths
Wei Zhang,Zhencun Pan +1 more
TL;DR: In this paper, a relative cluster of the transmission line (RCTL) is proposed to identify the incidence of power flow transferring and to evaluate the power flow distribution in power system after transmission line was cut, and a method to calculate relative factor of RCTL based on shortest paths is deduced.
Journal ArticleDOI
A dynamic state estimation method for power systems
TL;DR: An iterative state estimation algorithm is established with the coordination of PMU and SCADA measurements and shows that the method can increase the estimating precision and provide more information on power system dynamics.