关键词: 配电网, 故障定位, 分布式电源, 蝙蝠算法

Abstract: As the application of the Distributed Generators（DG） and the expansion of the power distribution network structure, the establishment of switch function in locating the fault points becomes extremely complex, and the search speed of traditional algorithms needs to be improved eagerly. In order to satisfy the current situation of DG access and deal with multiple distributed generators with multiple faults, the model is based on improved switching function in this paper. A network structure dimension reduction method for DG distribution network is raised, which can increase the calculation speed in fault points locate. The paper introduces the step of bat algorithm in the distribution network location. The example simulation comparison shows that the bat algorithm has a quicker speed and a more accurate global search capability than other artificial intelligence algorithms.

Key words: distribution network, fault location, distributed generator, bat algorithm