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Optimal power flow calculation based on improved particle swarm optimization

Zhu Xue-Ling�?�?�?¯�?�?�?¼�?�?�?�?Zhang Cui-Ying�?�?�?¯�?�?�?¼�?�?�?�?Zhao Chen-Peng

In order to study the efficient and feasible algorithm of solving power system optimal power flow,the paper discusses and improves the particle swarm optimization (pso) algorithm which has the convergence speed and global search ability; the introduction of penalty function to deal with the constraints of the optimal power flow problem, MATLAB simulation platform is applicated to program improved particle swarm optimization (pso) algorithm and the traditional Newton algorithm, calculating the result of IEEE - 30 nodes standard system of optimal power flow, and comparing the result of two algorithm can highlight the particle swarm algorithm in solving the optimal power flow calculation problem