Distribution Network Fault Recovery with Distributed Power Based on Improved Fireworks Algorithm

This article establishes a two-stage optimization model for fault reconstruction and islanding, dividing the fault recovery process of the distribution network into two stages: fault reconstruction and islanding. The first stage is the fault reconstruction stage, where an improved fireworks algorithm is used to solve the optimal switch combination and connect all power loss areas that can be connected to the main network for operation; The second stage is the island division stage, which adopts a depth breadth combination search strategy to divide islands in areas that are still unable to connect to the main network after reconstruction and have distributed power sources. Through comparative analysis of numerical examples, it has been proven that the recovery strategy obtained by the method used in this paper can effectively restore power supply to non fault areas.