Computation of maximum loadability limit of a power system using parallel mutation particle swarm optimization (PMPSO)

This paper presents PSO with parallel mutation (PMPSO) to determine the maximum loadability point of the power system. PSO works excellently with less number of iterations but when the number of iterations increases, there is a likelihood of getting trapped in local optima which is not desirable. To overcome this problem of premature convergence, a new method is proposed. The effectiveness of proposed method is evaluated using IEEE 118 bus system; prove its validity and applicability to other power system problems. The results show that the parallel system based on PMPSO algorithm has a rapid convergence speed.