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Impacts of FACTS controllers on damping power systems low frequency electromechanical oscillations

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4 Author(s)
M. S. Castro ; Dept. of Electr. & Comput. Eng., UNICAMP, Sao Paulo, Brazil ; A. B. Nassif ; V. F. da Costa ; L. C. P. da Silva

This paper presents a study comparing the effects of four flexible ac transmission systems (FACTS) controllers, the static var compensator (SVC), the static synchronous compensator (STATCOM), the thyristor controlled series compensator (TCSC) and the static synchronous series compensator (SSSC) on power systems small-signal angle stability. This investigation is carried out for a single generator connected to an infinite bus via a loss-less transmission line. The study is based on the investigation of the critical eigenvalues of the power system linearized model in the framework of the dynamic bifurcation theory. The presented simulation results allow a comparative analysis of the effects of these four controllers and reveal that the SSSC exhibits the best effectiveness on damping power systems low frequency electromechanical oscillations.

Published in:

Transmission and Distribution Conference and Exposition: Latin America, 2004 IEEE/PES

Date of Conference:

8-11 Nov. 2004