Research and Practice on Primary and Secondary Fusion Identification Technology for Tree-Line Grounding Faults in Smart Distribution Networks

This paper focuses on the primary and secondary fusion identification technology for tree-line grounding faults in smart distribution networks. It deeply analyzes the serious threats of tree-line grounding faults to the safe and stable operation of distribution networks and elaborates on the crucial significance of accurately identifying such faults and fusing line environment perception information. The high-precision digital transformer technology, various fault feature analysis algorithms, and multi-source signal fusion strategies for line environment are introduced in detail. Through the development of fault identification devices and pilot applications, the remarkable effectiveness of this technology in improving the fault detection and prevention level of distribution networks is demonstrated, providing strong support for ensuring the safe and stable operation of power systems.