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Learning Sequential Distribution System Restoration via Graph-Reinforcement Learning
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DOI：10.1109/TPWRS.2021.3102870.png)
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摘要
En 中文
A distribution service restoration algorithm as a fundamental resilient paradigm for system operators provides an optimally coordinated, resilient solution to enhance the restoration performance. The restoration problem is formulated to coordinate distribution generators and controllable switches optimally. A model-based control scheme is usually designed to solve this problem, relying on a precise model and resulting in low scalability. To tackle these limitations, this work proposes a graph-reinforcement learning framework for the restoration problem. We link the power system topology with a graph convolutional network, which captures the complex mechanism of network restoration in power networks and understands the mutual interactions among controllable devices. Latent features over graphical power networks produced by graph convolutional layers are exploited to learn the control policy for network restoration using deep reinforcement learning. The solution scalability is guaranteed by modeling distributed generators as agents in a multi-agent environment and a proper pre-training paradigm. Comparative studies on IEEE 123-node and 8500-node test systems demonstrate the performance of the proposed solution.
Keyword:
Power systems
Scalability
Reactive power
Topology
Microgrids
Load modeling
Decision making
Graph reinforcement learning
distribution system restoration
distributed generation
graph convolutional networks
期刊
IF:
7.2
论文数:
1.1W
被引数:
5.0W
机构
引用论文
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