Dynamic Performance of Power Oscillation Damping Controller By E-Statcom
Abstract
This paper describes an approach to design a damping controller of a energy storage type STATCOM (E-STATCOM). The energy storage type STATCOM is an advanced flexible AC transmission system (FACTS) device, which controls both active and reactive power injection/absorption to the power system. It also provides a better power swing damping. Using a linearized block diagram proposed by the author, the present study examines the design of the E-STATCOM damping controller. Several case studies have been performed to evaluate the power swing damping effect of the ESTATCOM a machine infinite bus system. The effectiveness of the proposed control method to provide power oscillation damping irrespective of the connection point of the device and in the presence of system parameter uncertainties will be verified through simulation results.
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