The Optimal Reactive Power Dispatch Using Seeker Optimization Algorithm Based Different Objective Functions

Reactive Power Dispatch is one of the important tasks in the operation and control of power systems. It is a section of optimization problems in power system that minimizes the objective functions by satisfying a set of constraints and using a set of controllable variables. As the Reactive Power Dispatch is a nonlinear problem, it has multiple minima. So the conventional techniques and mathematical programming methods are not suitable to solving these problems. In this paper, the Seeker Optimization Algorithm (SOA) is considered to find a global optimum reactive power dispatch by minimizing the different objective functions. In this work, the objective functions are reducing active power losses, improving voltage deviation and increasing voltage stability. To show efficiency and powerful performance of SOA, it is applied to optimal reactive power dispatch on standard IEEE-30 bus power system. Finally, the obtained results of SOA are compared with Particle Swarm Optimization (PSO) algorithm, Multi Agent Particle Swarm Optimization (MAPSO) and Genetic Algorithm (GA) methods.

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