On structure optimization of power systems based on network efficiency

Structure optimization of power grids is a key issue of improving resource allocation on power systems. In this paper, authors discuss the structure reliability and reconstruction problem of IEEE118 standard test system based on complex network theory. Combined with electrical characteristics, the directed weighted network of standard test system is established. The structure reliability is analyzed by dynamic malfunction simulation with electrical properties. Meanwhile, on the constraints condition of the unchanged number of nodes and edges, the reconstruction algorithm based on associated network efficiency is proposed to optimize the performance of the network structure. The research provides certain quantitative analysis and theoretical support for the construction of power systems.