Abstract

The power supply system in urban area has high complexity, and its expansion is difficult. Therefore, a reliability expansion method of urban distribution network based on mixed integer programming and multi-objective optimization is proposed in this paper. Considering the economic benefits and voltage difference of investment and operation, a general model for optimizing the overall installation of the power grid has been established. Enable particle swarm optimization algorithm to increase the energy storage capacity of the power grid and solve the optimal expansion rate through mixed integer linear programming. Finally, research has shown that this research method can achieve the best scaling effect.

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