Transmission network expansion planning by improved simulated annealing approach

The transmission network expansion planning problem is effectively solved by the improved simulated annealing approach. A mixed integer nonlinear programming model of this problem is formulated using the DC power flow model. The detailed process of simulated annealing algorithm has been improved, and applied to 6-bus and 24-bus systems. The solutions obtained by the improved SA approach are compared with solutions found using LINGO software. Numerical results have shown that the proposed approach requires less time to obtain local optimal solutions