Application of FACTS devices for damping of power system oscillations

This paper describes an adaptive tuning of parameters of a power oscillation damping (POD) controller for FACTS devices. The FACTS devices considered here are the thyristor controlled series compensator (TCSC) and the unified power flow controller (UPFC). A residue method is applied to the linearized power system model to determine the best siting for FACTS devices as well as for the selection of measured signals. Information available from a higher control level, e.g. from a wide-area monitoring and control platform, is used for a fine tuning of the POD controller in case of changing operating conditions.

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