Application of correlation analysis method in power quality disturbance identification and source assessment

LI Peng

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Application of correlation analysis method in power quality disturbance identification and source assessment

更新时间：2026-06-20

- Application of correlation analysis method in power quality disturbance identification and source assessment
- Ningxia Electric Power Issue 6, (2024)
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- Online First：11 December 2024，
  
  Published：2024
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LI Peng. Application of correlation analysis method in power quality disturbance identification and source assessment[J]. Ningxia Electric Power, 2024, (6).
DOI：

LI Peng. Application of correlation analysis method in power quality disturbance identification and source assessment[J]. Ningxia Electric Power, 2024, (6). DOI：

摘要

关联性分析是一种统计分析方法，能从电能质量监测数据中找出存在于不同监测点、多源异构监测数据间的关联模式，挖掘出蕴藏于其中的电网运行特性，因此被广泛应用于电能质量领域。首先，对关联性分析方法进行了详细分析；其次，总结了关联性分析方法在电能质量中的三类主要的应用场景：扰动识别、扰动溯源、综合评估；最后，分析了关联性分析方法在电能质量中的适用条件，并对关联性分析未来在电能质量中的应用趋势提出了展望。

Abstract

Correlation analysis is a statistical method that can identify correlation patterns between different monitoring points and multisource heterogeneous monitoring data from power quality monitoring datasets.This method uncovers the inherent operational characteristics of the power grid

making it widely applicable in the field of power quality.First

this paper provides a detailed analysis of the correlation analysis method.Next

it summarizes three main application scenarios of this method in power quality：disturbance identification

disturbance source tracing

and comprehensive assessment .Finally

the paper discusses the applicable conditions for correlation analysis in power quality and presents prospects for its future applications in this field.

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Related Author

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LU Xiang

QI Shenglong

WANG Hongyu

HUANG Sheng

LI Xutao

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Related Institution

Electric Power Research Institute,State Grid Ningxia Electric Power Co.,Ltd.

State Grid Ningxia Electric Power Co.,Ltd.

China Gridcom Co.,Ltd.

Ningdong Electric Power Supply Company,State Grid Ningxia Electric Power Co.,Ltd.,Lingwu Ningxia

Electric Power Research Institute,State Grid Ningxia Electric Power Co.Ltd

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