Load shedding control strategy for power system voltage regulation in distribution networks

Due to the impact of disturbances in power system voltage stability. An advanced method is introduced using sensitivity analysis to preserve the voltage within the secure limits when the power system faces disturbance. The objective is to compute firstly the static sensitivity index during small disturbance, without considering the difference between static and dynamic load shedding. Then, obtain the dynamic sensitivity index when a large disturbance occurred in the system. Finally, describe the difference between static and dynamic load shedding during large disturbance. Simulation was implemented on IEEE-33 test bus system, the results showed that this method is reasonable and efficient.