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Unusual voltage sag event detection in power systems
Barrera Núñez, Víctor Augusto; Meléndez i Frigola, Joaquim; Herraiz Jaramillo, Sergio; Sánchez Losada, L.
Three multivariate statistical tools (principal component analysis, factor analysis, analysis discriminant) have been tested to characterize and model the sags registered in distribution substations. Those models use several features to represent the magnitude, duration and unbalanced grade of sags. They have been obtained from voltage and current waveforms. The techniques are tested and compared using 69 registers of sags. The advantages and drawbacks of each technique are listed
11-06-2010
Anàlisi multivariable
Energia elèctrica -- Distribució -- Alta tensió
Electric power distribution -- High tension
Multivariate analysis
Tots els drets reservats
Artículo
IEEE
         

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