Índice para la identificación de fuentes armónicas en sistemas eléctricos de potencia empleando estimación de estado con error en las mediciones
Identification of Harmonic Sources in Electrical Power Systems Using State Estimation with Measurement Error
Luis Alberto Hernández Armenta, David Romero Romero, Jaime Robles García
Instituto Politécnico Nacional, Departamento de Ingeniería Eléctrica, Sección de Estudios de Posgrado e Investigación, Distrito Federal, México. gorson1@hotmail.com, dromero@ieee.org, jarobles@ipn.mx
]]> Autor de correspondencia es Luis A. Hernández Armenta.
Artículo recibido el 17/10/2013.
Aceptado el 01/12/2014.
Resumen
En este artículo se muestra que la Distorsión Armónica Total (THD) de la corriente es un índice confiable para identificar la ubicación de las fuentes armónicas en una red de potencia. Se prueba que los estimadores de armónicas fallan al identificar fuentes de armónicas al tener error en las mediciones. Se presenta un sistema de 14 nodos con dos fuentes de armónicas resuelto con dos métodos.
Palabras clave: THD, fuentes de armónicas, estimación de estado, método de inyecciones de corriente armónica, estimador de armónicas.
Abstract
]]> In this article we show that the Total Harmonic Distortion (THD) of the current is a reliable index to identify the location of harmonic sources in a power system. It is proved that the harmonic estimators fail to identify harmonic source measurement errors. A 14 node system with two sources of harmonic solved by two methods is tested.Keywords: THD, harmonic sources, state estimation, harmonic current injection method, harmonic state estimation.
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Agradecimientos
Agradecemos a los revisores de este artículo por sus valiosos comentarios que han mejorado este trabajo.
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