Optimal Reactive Power Dispatch based on Modified JAYA Algorithm

Abstract

One of the most commonly used optimization problem in power system is the optimal reactive power dispatch (ORPD) problem. It is a non-linear and complex optimization problem, which helps in achieving a more economic and secure operation of the system. The problem formulated a single-objective problem and is used to solve two different objective functions separately. The solution is to obtain the optimal values of the control variables to minimize the active power loss and the total voltage deviation of the system. In this paper, the modified JAYA (MJAYA) algorithm has been used to solve the ORPD problem. This algorithm is the modified version of the JAYA algorithm having better convergence compared to the latter. The proposed algorithm was tested on IEEE 14 and 57 bus system for solving the ORPD problem. The results were compared with those from many other widely used distinguished algorithms. The comparisons show the dominance of the MJAYA algorithm over the others in terms of its success in optimizing the objective functions and obtaining the best solutions to the ORPD problem.