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This work deals with low frequency oscillations related to inter-area modes, evaluating their impact on the performance of multi-machine electrical networks with the aim to increase the damping of these modes using TCSC. The best places to install these devices are chosen with the analysis of the residues of transfer functions and the parameter fitting for coordinated application of stabilizers is performed with the pole placement method. The nonlinear system of equations, obtained with the pole placement method, assuming specified damping factors, is solved with the Newton-Raphson method. The method is also used in the analysis of control interaction among stabilizers through the evaluation of individual parcels of the pole placement equations, as an additional feature of the approach.

Análise do amortecimento de modos interáreas com o método de imposição de polos.