Case Studies on Suppression of Multimodal Electromechanical Oscillations by STATCOMs Supplementary Controller

N.M.M. Razali, V.K. Ramachandaramurthy, and R.N. Mukerjee (Malaysia)


Voltage source converter, FACTS, STATCOM, small signal stability, oscillationdamping


STATCOM is primarily employed to manage reactive power at crucial locations in power system. Earlier studies have indicated the feasibility of equipping STATCOM with a supplementary controller to act as a damper for power swings. The paper outlines a STATCOM controller model and residue-based tuning method for its supplementary controller. The paper also demonstrates the performance of the developed model in suppressing observable and controllable modes of electromechanical oscillations in a 2-area power system.

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