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Robust dynamic state estimation of power systems based on M-Estimation and realistic modeling of system dynamics

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2 Author(s)
Durgaprasad, G. ; Dept. of Syst. Planning, SCECO, Dammam, Saudi Arabia ; Thakur, S.S.

This paper presents a new scheme of dynamic state estimation, utilizing a statistical approach called the M-Estimation to resolve the filtering problem robustly. In the prediction step, realistic treatment of system dynamics based on nodal analysis produces an efficient state prediction method. The proposed Robust Realistic Dynamic State Estimation (RRDSE) has been tested on 5-bus, 14-bus, and 30-bus test systems and the results are presented. The error analysis presented reveals the superiority of the proposed RRDSE particularly when the system measurements are under bad-data condition

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Power Systems, IEEE Transactions on  (Volume:13 ,  Issue: 4 )