State estimation of power systems containing facts controllers |
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Authors: | A Zamora-Cárdenas Claudio R Fuerte-Esquivel |
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Affiliation: | a Instituto Tecnológico Superior de Irapuato, Irapuato, Guanajuato, Mexico b Universidad Michoacana de San Nicolás de Hidalgo, Faculty of Electrical Enginering, Morelia, Michoacán, Mexico |
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Abstract: | This paper proposes a practical approach to incorporate Flexible AC Transmission Systems (FACTS) devices into a Weighted Least Squares (WLS) state estimation algorithm. The FACTS devices included in the estimator are the Thyristor Controlled Series Compensator (TCSC), the Static Var Compensator (SVC), and the Unified Power Flow Controller (UPFC). The proposed approach simultaneously upgrades the estimated values of the state variables of these devices and the state variables of the rest of the electric network, for a unified solution in a single-frame of reference. Results are presented to demonstrate the effectiveness of the proposed approach to assess the estimation of the system state and to set the parameters of FACTS controllers for given control specifications. |
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Keywords: | State estimation FACTS controllers Weighted Least Squares |
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