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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...
In this paper, power networks are considered as hybrid non-linear dynamical systems for dealing with emergency voltage control. A hybrid approach based on a symbolic off-equilibrium linearized model and predictive control is presented and illustrated on a 9-bus power system case study.
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