The invention belongs to the technical field of power
system power distribution network planning and operation, and particularly relates to a
reconstruction method for a power distribution network with a
distributed power supply after serious fault. The method for reconstructing the power distribution network with the
distributed power supply after serious fault is suitable for rapid reconstruction of the power distribution network with the
distributed power supply after the serious fault, and is convenient to model, high in
simulation precision, high in calculation efficiency and strong in expansibility. The method comprises the following steps: 1, establishing an objective function and constraint condition model of a
reconstruction problem after the power distribution network has the fault; 2, performing modeling analysis on the distributed power supply when power distribution network fault occurs; 3, adopting a
spanning tree model based on the
graph theory to solve an optimal methodof island division; 4, completing the weight dynamic division of a multi-objective function through a
membership function, and normalizing a power distribution network reconstruction multi-objectiveoptimization problem into a single-objective
optimization problem; and 5, solving the reconstruction
optimization problem based on an empire competition
algorithm to obtain an optimal reconstruction strategy after the serious fault of the power distribution network.