2011
DOI: 10.1109/tpwrs.2010.2050155
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Development of Multilinear Regression Models for Online Voltage Stability Margin Estimation

Abstract: This paper investigates the use of reactive power reserves (RPR) as an indicator to estimate voltage stability margin (VSM) in an online environment. The methodology relies upon the relationship between system-wide RPRs and VSM. Statistical multilinear regression models (MLRM) are utilized in order to express how variations in RPRs can be transformed into direct information about VSM. Data regarding RPRs and system VSM are obtained through an offline voltage stability assessment (VSA) and stored in a database … Show more

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Cited by 66 publications
(46 citation statements)
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“…It is important to find out the voltage collapse point and to know the distance from the current operating point to it [1]. Various techniques are reported to identify and estimate the maximu m load ability in the research of static voltage stability [2]- [3]. One of the conventional techniques is solving the power flow repetitively, starting at a base load leading up to the collapse limit [4], [5], in which the load and the generator output are increased in steps.…”
Section: Introductionmentioning
confidence: 99%
“…It is important to find out the voltage collapse point and to know the distance from the current operating point to it [1]. Various techniques are reported to identify and estimate the maximu m load ability in the research of static voltage stability [2]- [3]. One of the conventional techniques is solving the power flow repetitively, starting at a base load leading up to the collapse limit [4], [5], in which the load and the generator output are increased in steps.…”
Section: Introductionmentioning
confidence: 99%
“…Según [7], los avances en la estimación de márgenes de estabilidad de tensión monitoreando las reservas de potencia reactiva son aún insuficientes. Este inconveniente aplica tanto para los análisis de planeamiento operativo como para tiempo real.…”
Section: Introductionunclassified
“…Sobre la literatura de alto nivel relacionada con el tema de estabilidad de tensión y márgenes de reserva de potencia reactiva, en [7] se aborda el problema a través de las regresiones lineales considerando una exhaustiva cantidad de casos. De esta forma se obtienen relaciones sobre el margen de carga y las reservas de potencia reactiva.…”
Section: Introductionunclassified
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