GCFR:图形对比的故障表示,用于在电力通信网络中的可靠诊断
Baohao Chen1, Guosheng Lu2, Yifeng Zhu2
1China Southern Power Grid EHV Transmission Company, Guangzhou, 510620, China. uveu35@163.com.
Scientific reports
|November 13, 2025
概括
本研究介绍了GCFR,这是一种用于电力通信网络 (PCN) 故障诊断的图形对比框架. 它有效地处理有限的数据,网络变化和噪音警报,以进行可靠的预测.
科学领域:
- 计算机科学 计算机科学
- 网络工程 网络工程
- 人工智能的人工智能
背景情况:
- 电力通信网络 (PCN) 在故障诊断方面面临挑战,包括稀缺的标记数据,动态拓变化和不可靠的警报信号.
- 现有的方法难以应对PCN故障检测的复杂性和现实世界的限制.
研究的目的:
- 为PCN开发一个强大而高效的故障诊断框架,以解决有限的标签,不断变化的拓和噪音警报.
- 为了在操作PCN环境中实现部署友好和风险意识的故障预测.
主要方法:
- 拟议的GCFR (图形对比故障表示) 框架使用多视图数据增强 (特征掩盖,边缘掉落,拓扰动) 和对比学习 (InfoNCE目标).
- 包含了一个时间一致性调节器,用于拓稳定性和域意识警报传播功能.
- 集成了一个波形无声模块来增强警报信号,并提供了用于选择性预测的近似不确定性量化.
主要成果:
- 即使在基准和现实PCN数据集上的有限标记数据,GCFR也表现出强的召回性能.
- 该框架在拓干扰和噪音警报条件下始终优于监督和信号处理基线.
- 通过轻量级分类头和校准预测实现了部署友好的推断.
结论:
- GCFR为PCN故障诊断提供了一个低开支,面向部署的解决方案,有效地应对实际挑战.
- 该框架能够提供风险意识的预测,这有助于提高电网运营决策.
- 在高效可靠的网络故障检测系统方面,GCFR取得了重大进展.
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