A influencia de controladores FACTS na estabilidade de angulo a pequenas pertubações de sistemas eletricos de potencia

AUTOR(ES)
DATA DE PUBLICAÇÃO

2005

RESUMO

This master s dissertation presents an assessment of Flexible AC Transmission Systems (FACTS) controllers performance on power system small-signal angle stability improvement. The potential of the Power Sensitivity Model (PSM), an alternative approach to the classical Heffron-Phillips model (HPM) for study and analysis of poorly damped low frequency electromechanical oscillations problem, is explored. The stability analysis and design of FACTS Power Oscillation Damping (POD) controllers are based on modal analysis, Hopf bifurcations, root locus plots, and time and frequency response techniques. The performance of different input signals to the POD controllers is investigated. Simulation results reveal that both shunt FACTS controllers and series ones are very effective on keeping system angle stability.

ASSUNTO(S)

sistemas flexiveis de transmissão flexible transmission systems oscilações oscillations sistema de energia eletrica stability of electric power systems

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