Power Quality Management Based Security OPF Considering FACTS Using Metaheuristic Optimization Methods

Power quality management based environmental optimal power flow (OPF) is a vital re‐ search area for power system operation and control, this type of problem is complex with non-linear constraints where many conflicting objectives are considered like fuel cost, gaz emission, real power loss, voltage deviation, and voltage stability[1-2]. The solution of this multi objective problem becomes more complex and important when flexible ac transmis‐ sion systems (FACTS) devices and renewable energy are considered. In the literature a wide variety of optimization techniques have been applied, a number of approaches have been developed for solving the standard optimal power flow problem using mathematical pro‐ gramming, lambda iteration method, gradient method, linear programming, quadratic pro‐ gramming and interior point method [3-4-5]. However all these developed techniques rely on the form of the objective function and fail to find the near global optimal solution, au‐ thors in [6-7] provide a valuable introduction and surveys the first optimization category based conventional optimization methods.