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This paper discusses the real time digital simulation of a Static VAr Compensator (SVC) with fuzzy logic based supervisory control to damp the oscillations seen in the voltage after disturbances. The main controller is a traditional PI-controller and the auxiliary control path is made using fuzzy logic controller to provide the damping action. Therefore, the resultant is a non-linear controller, which...
Keeping voltages of all buses within acceptable bounds is very important for power system operations. This paper presents an approach for optimal coordination of static var compensators (SVCs), transformer under load tap changers (ULTCs) and load shedding to improve voltage performance following large disturbances. The approach is based on model predictive control (MPC) with a decreasing control horizon...
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