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Voltage instability and voltage collapse are complicated phenomenon which can be influenced by the interactions of all power system components. 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 disturbances and also to ensure a desired amount of post-transient...
Voltage instability impacts power system transfer limits and its reliability. This paper presents an approach to determine a voltage control scheme based on the model predictive control (MPC) theory. MPC is used to develop an optimal control strategy, consisting of a sequence of amounts of the shunt capacitors to switch. The resulting control strategy prevents voltage instability and maintains a desired...
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