Study on Single-phase Ground Fault Location of Distribution Network Based on MDS and DBSCAN Clustering

When a single-phase grounding fault occurs in the distribution network with DG (Distributed Generation), the fault location is mainly completed by the switch information at the node. This method cannot make full use of the fault information and cannot be applied to the intelligent distribution network under the background of massive data. To solve the above problems, a single-phase grounding fault location method based on MDS (Multidimensional Scaling) and DBSCAN (Density- Based Spatial Clustering of Applications with Noise) is proposed. The simulation results show that the proposed method is not affected by fault location, fault resistance, fault angle and line type, and the fault location results are accurate, which can effectively use the fault information.