Jellyfish Search Algorithm-Based Optimal Reactive Power Dispatch Considering SVC Devices for Voltage Stability Enhancement

Voltage instability may occur when the power system experiences an overload. Effective indicators of power system stability include reducing real power loss, voltage stability index, and voltage deviation. This paper focuses on utilizing the newly proposed optimization algorithm, Jellyfish Search (JS), to address optimal reactive power dispatch (ORPD) while incorporating a Static Var Compensator (SVC) device to enhance voltage stability during contingency situations. The ORPD problem encompasses three objective functions: minimizing active power loss, reducing voltage deviation, and enhancing voltage stability. Testing and validation of the JS algorithm have been conducted on the IEEE 30-bus test system. The results clearly demonstrate that the JS method outperforms the other optimization techniques stated in the literature.