Optimal network reconfiguration in distribution system for loss reduction and voltage-profile improvement using hybrid algorithm of PSO and ACO

Considering time varying nature of load in conventional distribution system, network reconfiguration is combinatorial complex optimisation problem. In this study, a hybrid configuration of particle swarm optimisation (PSO) method with ant colony optimisation (ACO) algorithm called hybrid PSO–ACO algorithm is presented for optimal network reconfiguration in distribution network in the presence of distributed generation (DG) resources. The objectives consist of minimising power losses and improving the voltage profile. MATLAB-based simulation conducted on 33-bus IEEE test feeder to verify the effectiveness of proposed method. Results demonstrate accuracy and efficiency of PSO–ACO algorithm.