Nondestructive evaluation of insulation condition of transformer bushings based on degree of polymerization of oil-paper

SUN Changhai; LI Weijiang; WANG Ming; CHEN Baitong; WU Yan; ZHONG Juntao; XUE Jingmei; PENG Na; WEN Zheng

doi:10.11949/j.issn.0438-1157.20160240

您当前的位置：

首页 >

文章列表页 >

Nondestructive evaluation of insulation condition of transformer bushings based on degree of polymerization of oil-paper

更新时间：2025-12-10

- Nondestructive evaluation of insulation condition of transformer bushings based on degree of polymerization of oil-paper
- CIESC Journal Issue S1, Pages: 366-371(2016)
- 作者机构：
  
  1. 大连理工大学电气工程学院,辽宁,大连,116024
  2. 电工沈阳变压器集团有限公司,辽宁,沈阳,110144
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20160240
  CLC： 631.3+3
- Online First：31 August 2016，
  
  Published：31 August 2016
- 稿件说明：
移动端阅览
SUN Changhai, LI Weijiang, WANG Ming, et al. Nondestructive evaluation of insulation condition of transformer bushings based on degree of polymerization of oil-paper[J]. CIESC Journal, 2016, (S1): 366-371.
DOI：

SUN Changhai, LI Weijiang, WANG Ming, et al. Nondestructive evaluation of insulation condition of transformer bushings based on degree of polymerization of oil-paper[J]. CIESC Journal, 2016, (S1): 366-371. DOI： 10.11949/j.issn.0438-1157.20160240.

摘要

研究套管绝缘纸聚合度与频域介电响应规律，提出基于绝缘纸聚合度油纸电容式高压套管绝缘状态无损评估方法。设计了油纸电容式高压套管作为被试品，开展老化试验模拟套管服役状态。获得一系列不同老化周期的套管，测试其绝缘纸聚合度和频域介电谱曲线。通过对被试套管的老化时间以及聚合度与电容量（C）、介质损耗因数（tan δ）的频域谱曲线的关系的研究，提出了一种油纸电容式高压套管绝缘状态评估的新方法，即基于绝缘纸聚合度油纸电容式高压套管绝缘状态无损评估方法。研究结果表明：（1）套管的电容量频域谱曲线在10-3～1 Hz的频域段内能够明显随其绝缘纸聚合度的变化而变化；（2）聚合度倒数差与电容量的频域谱曲线的积分存在二次函数多项式关系；（3）在1 Hz左右频率下的介质损耗因数能够更好地反映其老化状态。

Abstract

The paper is to study the relationship between degree of polymerization (DP) of oil-paper and frequency domain dielectric spectroscopy (FDS) in the insulation assessment of oil-paper condenser bushings. To achieve the result

a sample of oil-paper condenser bushings was designed and tested in aging. Through the measurement of DP and FDS of different aged samples and the study of relationship between DP and frequency domain curve of capacitance (C)and dielectric loss factor (tan δ)

a new method of insulation assessment of oil-paper condenser bushings was invented. The results show that:(1) the capacitance frequency domain dielectric characteristic quantity of the oil-paper insulation sample in 10-3-1 Hz can reflect the aging status of bushing;(2) There is a secondary polynomial function between DP and frequency domain curve of C;(3) The dielectric loss factor reflects the aging status of bushing only in the 1 Hz.

关键词

Keywords

references

Views

229

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Structural evolution of coal ash slag at different temperatures

Thermodynamic study of germanium-impurity competitive deposition in GeCl4-MxCly-H2 system

Study on the residence time distribution characteristics of the TPMS-Diamond static mixer

Optimization of heat storage and release cycle performance of Ca(OH)2/CaO indirect reactor

Study on performance enhancement and cold retention characteristics of solid packed bed cold energy storage

Related Author

Haonan WANG

WeiWei XUAN

Dehong XIA

Related Institution

School of Energy and Environmental Engineering, University of Science and Technology Beijing

⁰