基于递归特征消除‑动态异构集成的电网异常检测定位

席 磊; 刘 伟; 白芳岩; 高浩文; 李宗泽

doi:10.19783/j.cnki.pspc.260213

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基于递归特征消除‑动态异构集成的电网异常检测定位

工程应用 | 更新时间：2026-10-16

- 基于递归特征消除‑动态异构集成的电网异常检测定位
- Grid anomaly detection and localization based on recursive feature elimination and dynamic heterogeneous ensemble
- 电力系统保护与控制 2026年54卷第17期
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- DOI：10.19783/j.cnki.pspc.260213
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- 纸质出版：2026
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席磊, 刘伟, 白芳岩, 等. 基于递归特征消除‑动态异构集成的电网异常检测定位[J]. 电力系统保护与控制, 2026,54(17).

XI Lei, LIU Wei, BAI Fangyan, et al. Grid anomaly detection and localization based on recursive feature elimination and dynamic heterogeneous ensemble[J]. Power System Protection and Control, 2026, 54(17).
席磊, 刘伟, 白芳岩, 等. 基于递归特征消除‑动态异构集成的电网异常检测定位[J]. 电力系统保护与控制, 2026,54(17). DOI： 10.19783/j.cnki.pspc.260213.

XI Lei, LIU Wei, BAI Fangyan, et al. Grid anomaly detection and localization based on recursive feature elimination and dynamic heterogeneous ensemble[J]. Power System Protection and Control, 2026, 54(17). DOI： 10.19783/j.cnki.pspc.260213.

摘要

针对故障和虚假数据注入攻击严重威胁电网稳定运行，且现有异常检测算法精度低、无法准确辨识系统状态并定位异常区域的问题，提出一种基于递归特征消除‑动态异构集成的电网异常状态检测与区域定位算法。首先，通过融入交叉验证的递归特征消除策略，为每个标签选择出拟合效果最佳的特征，以降低数据维度并提升分类器的响应效率。然后，运用动态异构集成算法对系统的故障、正常与攻击进行辨识，实现高精度的状态检测。最后，分别对故障和虚假数据注入攻击进行精确区域定位。在 IEEE14 与 30 节点系统上开展的大量对比仿真实验表明，所提算法在准确率及 F1 值均有明显优势，并且显著提升了区域定位的精度。

Abstract

System faults and false data injection attacks pose significant threats to the stable operation of power grids. Existing anomaly detection algorithms have low accuracy and cannot accurately identify system states and locate abnormal regions. To address these challenges

an abnormal state detection and regional localization algorithm for power grids based on recursive feature elimination‑dynamic heterogeneous ensemble is proposed. First

by utilizing the recursive feature elimination strategy integrated with cross‑validation

the features with the best fitting effect are selected for each label

thereby reducing the data dimensionality and improving the response efficiency of the classifier. Then

the dynamic heterogeneous ensemble algorithm is applied to distinguish among normal operation

system faults

and cyberattacks

enabling high‑accuracy system state detection. Finally

precise regional localization methods are performed for both faults and false data injection attacks. Extensive comparative simulations conducted on the IEEE14‑ and 30‑bus systems demonstrate that the proposed algorithm achieves superior performance in terms of accuracy and F1 score

while significantly enhancing the precision of regional localization.

关键词

Keywords

references

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