Correlation Study of Water Tree and VLF tanδ Based on Pearson Correlation Coefficient

YANG Fan; FENG Xiang; RUAN Ling; CHEN Junwu; XIA Rong; CHEN Yulong; JIN Zhihui

doi:10.13296/j.1001-1609.hva.2014.06.004

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Correlation Study of Water Tree and VLF tanδ Based on Pearson Correlation Coefficient

更新时间：2025-04-26

- Correlation Study of Water Tree and VLF tanδ Based on Pearson Correlation Coefficient
- High VoltageApparatus Vol. 50, Issue 6, Pages: 21-25+31(2014)
- 作者机构：
  
  1. 国网湖北省电力公司电力科学研究院国家电网公司电气设备现场试验技术重点实验室
  2. 华中科技大学电气与电子工程学院
  3. 中国电力科学研究院
  4. 武汉市规划研究院
  5. 国网武汉供电公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2014.06.004
  CLC： TM247
- Published：2014
- 稿件说明：
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[1]杨帆,冯翔,阮羚,陈俊武,夏荣,陈昱龙,金志辉.基于皮尔逊相关系数法的水树枝与超低频介损的相关性研究[J].高压电器,2014,50(06):21-25+31.

YANG Fan, FENG Xiang, RUAN Ling, et al. Correlation Study of Water Tree and VLF tanδ Based on Pearson Correlation Coefficient[J]. High voltageapparatus, 2014, 50(6): 21-25+31.
[1]杨帆,冯翔,阮羚,陈俊武,夏荣,陈昱龙,金志辉.基于皮尔逊相关系数法的水树枝与超低频介损的相关性研究[J].高压电器,2014,50(06):21-25+31. DOI： 10.13296/j.1001-1609.hva.2014.06.004.

YANG Fan, FENG Xiang, RUAN Ling, et al. Correlation Study of Water Tree and VLF tanδ Based on Pearson Correlation Coefficient[J]. High voltageapparatus, 2014, 50(6): 21-25+31. DOI： 10.13296/j.1001-1609.hva.2014.06.004.

摘要

水树枝是交联电缆的主要缺陷

Abstract

As the main defect of the cross-linked polyethylene（XLPE）

water tree has a good correlation to tanδ under very low frequency（VLF）. This paper studied the correlations between water tree and three indexes of VLF-tanδ: the average values of tanδ

differential tanδ

tanδ stability which is suggested by Institute of Electrical and Electronics Engineers IEEE P4002.9/D9—2010 by using person correlation coefficient. Accordingly

it was suggested that these indexes could be used to describe the growth characteristics of water tree of XLPE insulation.

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