高电压技术2018，Vol.44Issue(1)：289-295,7.DOI:10.13336/j.1003-6520.hve.20171227035
输电线路电磁环境试验数据清理方法研究
Data Cleaning Method of Electromagnetic Environment of Power Transmission Line
付殷 1余占清 1曾嵘 1刘磊 2李敏 2庄池杰1
作者信息
- 1. 清华大学电机工程与应用电子技术系电力系统及发电设备控制和仿真国家重点实验室,北京100084
- 2. 南方电网科学研究院有限责任公司,广州510663
- 折叠
摘要
Abstract
In the process of testing electromagnetic environment,outliers in the data sheet always need to clean because of the burst interference occurring in the test environment.Consequently,we studied an automatic data cleaning method of electromagnetic environment with the outliers detection method based on the distance.Considering the test device,the characteristics of data statistics,and the physical characteristics of the electromagnetic environment,we redefined the method of calculating the spatial distance,and put forward the outlier detection clustering.The preprocessing of the electromagnetic environment test data was finished by this method.The results show that outliers have been cleared in the processed database,not changing the statistical features of the data,and the cleaned data are mainly considered as spatial outliers in each subclass.This algorithm can improve the reliability of measurement data.关键词
电磁环境/试验线段/数据清理/聚类分析/离群点检测Key words
electromagnetic environment/test lines/data cleaning/cluster analysis/outlier detection引用本文复制引用
付殷,余占清,曾嵘,刘磊,李敏,庄池杰..输电线路电磁环境试验数据清理方法研究[J].高电压技术,2018,44(1):289-295,7.
