Research on distribution network fault restoration and reconfiguration methods considering the dynamic characteristics of distributed renewable energy sources

Abstract

Nowadays, due to high proportion of distributed energy sources connected to the distribution network, it takes tens of seconds to minutes for the DES to recover from disconnection to normal output during fault recovery. Ignoring this dynamic process can lead to voltage exceeding the limit during the initial recovery period, secondary disconnection of the source and load, and ultimately power supply recovery failure.

The goal of this article is to propose a fault recovery method based on dual time section constraint verification, combined with an improved binary particle swarm algorithm (BPSO), to achieve optimal reconstruction solutions that balance constraint satisfaction and load recovery maximization.