Optimal Switch Placement in Radial Distribution System Using PSO

This paper proposes an optimization method for planning adequate number and location of automatic switches in a radial distribution system. The purpose is to maximize the profit of that service reliability indices achieve the required level. First, a network equivalent technique is introduced to calculate the reliability indices. Second, by using the equivalent method, system reliability indices and profit on various switches configuration cases can be deduced. Then a mixed-integer particle swarm optimization (MIPSO) is proposed to determine the optimal switch number and location.