Outlier detection and data filling based on KNN and LOF for power transformer operation data classification

The missing and abnormal data in power transformer operation and monitoring greatly affect the accuracy of fault diagnosis and thus threaten the stable operation of power systems. To conduct outlier detection and improve data quality for safety warning, this paper proposes a transformer operation da...

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Bibliographic Details
Main Authors: Dexu Zou, Yongjian Xiang, Tao Zhou, Qingjun Peng, Weiju Dai, Zhihu Hong, Yong Shi, Shan Wang, Jianhua Yin, Hao Quan
Format: Article
Language:English
Published: Elsevier 2023-09-01
Series:Energy Reports
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2352484723004250