Herramientas de Análisis del Colapso de Tensión y Aplicaciones (Tools for Voltage Collapse Analysis and Applications)

Michel Artenstein (martenstein@ute.com.uy)1, Pablo Monzón (monzon@fing.edu.uy)2

1Instituto de Ingeniería Eléctrica, Facultad de Ingeniería, Udelar; Sector Estudios y Proyectos, UTE. Uruguay
2Instituto de Ingeniería Eléctrica, Facultad de Ingeniería, Udelar, Uruguay

This paper appears in: Revista IEEE América Latina

Publication Date: May 2006
Volume: 4,   Issue: 3 
ISSN: 1548-0992

This paper describes the main features of an in-house software applied to the analysis of voltage collapse in power networks. This software may be applied not only for computing the voltage collapse point for a given load direction, but also for the “worst” load direction, applying algorithms based on the closest saddle-node bifurcation mathematical theory. The paper proposes an application of this closest bifurcation computation algorithm to the network expansion planning problem. The software includes also a sensitivity based algorithm in order to perform a fast filtering of critical line outages. Some results obtained applying the software to test cases on the uruguayan network are also described.

Index Terms:
Closest bifurcation, Contingency screening, Voltage collapse, Voltage stability   

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