Topology-Aware Reinforcement Learning over Graphs for Resilient Power Distribution Networks

• URL: http://arxiv.org/abs/2603.06964v1
• Date: Sat, 07 Mar 2026 00:56:08 GMT
• Title: Topology-Aware Reinforcement Learning over Graphs for Resilient Power Distribution Networks
• Abstract summary: Extreme weather events and cyberattacks can cause component failures and disrupt the operation of power distribution networks (DNs)<n>This study introduces a topology-aware graph reinforcement learning framework for outage management that embeds higher-order topological features of the DN into a graph-based RL model.<n>Results show that incorporating the topological data analysis tool, persistence homology (PH), yields 9-18% higher cumulative rewards, up to 6% increase in power delivery, and 6-8% fewer voltage violations compared to a baseline graph-RL model.
• Score: 20.964887519720854
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Extreme weather events and cyberattacks can cause component failures and disrupt the operation of power distribution networks (DNs), during which reconfiguration and load shedding are often adopted for resilience enhancement. This study introduces a topology-aware graph reinforcement learning (RL) framework for outage management that embeds higher-order topological features of the DN into a graph-based RL model, enabling reconfiguration and load shedding to maximize energy supply while maintaining operational stability. Results on the modified IEEE 123-bus feeder across 300 diverse outage scenarios demonstrate that incorporating the topological data analysis (TDA) tool, persistence homology (PH), yields 9-18% higher cumulative rewards, up to 6% increase in power delivery, and 6-8% fewer voltage violations compared to a baseline graph-RL model. These findings highlight the potential of integrating RL with TDA to enable self-healing in DNs, facilitating fast, adaptive, and automated restoration.

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