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Consequence-Aware Prescriptive Maintenance Framework With Transformer-KAN Forecasting and PPO-Controlled Grid Reconfiguration

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AI
H
Hamid Mirshekali
F
Fatemehsadat Ghanadi Ladani
H
Hamid Reza Shaker
DOI:10.1109/TSG.2025.3579890delete
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摘要

摘要

En 中文
电气化水平的快速增长已推动电网接近其运行极限,引发了对告警事件的出现及其导致的可靠性下降的担忧。预测这些告警事件能够实现主动纠正措施,从而提升电网稳定性。然而,资源有限性要求对每个告警进行有效的优先级排序。处方性维护不仅能预测即将发生的告警,还能在告警发生前制定自动纠正措施以减轻其影响。本文提出了一种面向配电电网的新型处方性维护框架,采用混合Transformer Kolmogorov-Arnold Network(Transformer-KAN)与Proximal Policy Optimization(PPO)方法。首先,利用两个Transformer-KAN模型预测各节点的负荷和生产值。为确保证可扩展性和提高精度,预测算法整合了基于小波变换、Tangent Pearson Embedding(TPE)和统计分析提取的特征。随后,执行负荷潮流分析以确定节点电压、线路电流及相应的告警事件。Chernoff-Bound算法随后被用于评估每个告警的重要性,同时考虑故障的潜在后果。纠正方案涉及调整电网内断路器的状态。为支持快速自动的处方过程,采用强化学习领域的PPO算法训练一个神经网络,该网络以告警重要性为输入,输出最优的开关组合。通过针对实际丹麦配电电网的案例研究验证了所提方法的有效性。为进行基准测试,在修改后的IEEE 13-Node测试馈线上进行了仿真。此外,还加入了Long Short-Term Memory(LSTM)模型、Double Deep Q-Network(DDQN)、Soft Actor Critic(SAC)和Asynchronous Advantage Actor Critic(A3C)。对比结果表明,所提方法在预测和处方方面均表现更优。
Keyword:
Transformer Kolmogorov-Arnold network
proximal policy optimization
prescriptive maintenance
Tangent Pearson embedding
Chernoff-Bound

期刊

IEEE Transactions on Smart Grid 封面图
IEEE Transactions on Smart Grid
IF:
9.8
论文数:
5.7K
被引数:
4.3W

机构

U
University of Southern Denmark
学者数:
2.1W
论文数: 2.0W
被引数: 2.9W
I
Isfahan University of Technology
学者数:
9.0K
论文数: 8.6K
被引数: 8.7K
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