Statistical Analysis of Dielectric Loss of Transformer Bushing Based on Significance Difference

SUN Xiang; HE Wenlin; YAO Hui; ZOU Guoping; ZHANG Zhiren

doi:10.13296/j.1001-1609.hva.2015.04.029

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Statistical Analysis of Dielectric Loss of Transformer Bushing Based on Significance Difference

更新时间：2025-04-26

- Statistical Analysis of Dielectric Loss of Transformer Bushing Based on Significance Difference
- High VoltageApparatus Vol. 51, Issue 4, Pages: 157-162(2015)
- 作者机构：
  
  1. 国网浙江省电力公司电力科学研究院
  2. 国网浙江省电力公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2015.04.029
  CLC： TM401
- Published：2015
- 稿件说明：
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[1]孙翔,何文林,姚晖,邹国平,张志仁.基于显著性差异的变压器套管介损统计分析[J].高压电器,2015,51(04):157-162.

SUN Xiang, HE Wenlin, YAO Hui, et al. Statistical Analysis of Dielectric Loss of Transformer Bushing Based on Significance Difference[J]. High voltageapparatus, 2015, 51(4): 157-162.
[1]孙翔,何文林,姚晖,邹国平,张志仁.基于显著性差异的变压器套管介损统计分析[J].高压电器,2015,51(04):157-162. DOI： 10.13296/j.1001-1609.hva.2015.04.029.

SUN Xiang, HE Wenlin, YAO Hui, et al. Statistical Analysis of Dielectric Loss of Transformer Bushing Based on Significance Difference[J]. High voltageapparatus, 2015, 51(4): 157-162. DOI： 10.13296/j.1001-1609.hva.2015.04.029.

摘要

文中利用显著性差异的分析手段对浙江电网在运的上海MWB公司220 k V COT型套管的介损数据进行统计分析

验证了该类套管介损符合正态分布规律

根据统计离群值的要求确定了样本数据的显著性差异条件

提出了在运的该类套管的介损阈值。

Abstract

Based on significance difference analysis method

this paper statistically analyzes the dielectric loss data of Shanghai MWB’s 220 k V COT bushings. It indicates that the data consist with normal distribution and the condition of significance difference is determined based on the statistical scatter value requirement. Finally

the threshold of the dielectric loss of these bushing is presented.

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