Abstract—The Distributed Sobol particle swarm optimization
(DSPSO) algorithm was studies for solving optimal power flow
problem (OPF), in this paper. In the proposed method, swarm size
of the particles is separated in multi-groups and searching
procedure is divided according with the swarm group. Reducing
search space and high cost elimination are concluded in the
DSPSO. The DSPSO was tested for solving two sizes of the OPF
problem, six bus test system and IEEE-30 bus test system
respectively. The numerical results obtain from the DSPSO were
compare with many optimization methods, namely bee colony
algorithm (BA), differential evolution algorithm (DE), genetic
algorithm (GA), particle swarm optimization (PSO) and tabu
search algorithm (TSA). The results show that the proposed
method had faster convergence and better solution than the rest
methods.