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Descripción
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| This paper proposes a probabilistic method aimed at estimating the voltage sag frequency of nonmonitored sites given the number of sags recorded by a limited set of voltage sag monitors. The proposed method is based on simulating a representative database of feasible pseudomeasurements by using probabilistic values of fault coefficient, fault impedance, fault type, and fault location. This information is processed through Bayesian filtering based on the Bayes' probabilistic theorem. This enables obtaining the most probable voltage sag index at nonmonitored busbars given the index measured at monitored busbars. This statistical estimation of sag indices at locations where there are no monitors constitutes the main contribution of this paper. This study is developed in three power systems: the IEEE 24-busbar reliability test system, the IEEE 118-busbar test system, and the transmission network of Ecuador with 357 busbars. | |
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Internacional
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Si |
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JCR del ISI
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Si |
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Título de la revista
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Ieee Transactions on Power Delivery |
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ISSN
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0885-8977 |
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Factor de impacto JCR
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2,032 |
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Información de impacto
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Datos JCR del año 2015 |
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Volumen
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32 |
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DOI
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10.1109/TPWRD.2016.2594232 |
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Número de revista
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2 |
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Desde la página
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656 |
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Hasta la página
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665 |
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Mes
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ABRIL |
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Ranking
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