Multi-layer Topology Identification for Low-Voltage Distribution Network Using Autoencoder and Dual-CURE Cluster

Topology identification of low-voltage distribution networks is crucial for ensuring the reliable, safe, and efficient operation of power systems. With the continuous evolution of the power network, the widespread integration of distributed energy sources such as photovoltaics, energy storage devices, and electric vehicles has made the topology of the distribution network increasingly complex. Therefore, this article focuses on the identification of multi-layer topology relationships in low-voltage distribution networks and proposes an unsupervised topology identification method based on a fusion autoencoder and an improved Clustering Using Representatives (CURE) algorithm. Firstly, incorrect topology relationships are captured through autoencoders, and then dual CURE classifiers are used to achieve multi-layer recognition of user transformer topology relationships and user phase topology relationships, using Global Aligned Kernel (GAK) as the clustering metric. Compared to other typical methods, the extracted method can effectively capture anomalous relationships and identify multi-layer topological relationships on simulated datasets.