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- W1504680623 abstract "One of the most important features of the Smart Grid (SG) is real-time self-assessment which may threat that target power system stability. In order to improve robustness of power systems against such attacks, accurate estimation of the power system operation is required and conventional power flow methods should be upgraded. In this paper, we derive minimum variance unbiased estimators (MVUEs) for active power based on the voltage phase at each node of the power system. The state variables are the voltage phases and the received measurement signals are active power measurements. The proposed method is implemented on a four-bus test system. Three scenarios are defined to investigate the effect of covariance matrix topology on the estimation accuracy. The results shows that lower correlation between the noise vector elements leads to a more accurate estimation of power system operation." @default.
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- W1504680623 date "2014-10-01" @default.
- W1504680623 modified "2023-10-18" @default.
- W1504680623 title "Determination of the minimum-variance unbiased estimator for DC power-flow estimation" @default.
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- W1504680623 doi "https://doi.org/10.1109/iecon.2014.7048486" @default.
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