Aging Diagnosis and Remaining Life Prediction of Solid Insulation for Oil-immersed Transformers

LIN Chao-hui1; ZHANG Bi-de2; HUANG Peng-fei3; LIN Li-qin3

doi:10.13296/j.1001-1609.hva.2010.09.019

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Aging Diagnosis and Remaining Life Prediction of Solid Insulation for Oil-immersed Transformers

更新时间：2025-04-26

- Aging Diagnosis and Remaining Life Prediction of Solid Insulation for Oil-immersed Transformers
- High VoltageApparatus Vol. 46, Issue 9, Pages: 71-73(2010)
- 作者机构：
  
  1. 福州超高压输变电局
  2. 西华大学电气信息学院
  3. 福建省电力有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2010.09.019
  CLC： TM411
- Published：2010
- 稿件说明：
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[1]林朝晖,张彼德,黄鹏飞,林丽琴.油浸式变压器固体绝缘诊断及剩余寿命预测[J].高压电器,2010,46(09):71-73.

LIN Chao-hui1, ZHANG Bi-de2, HUANG Peng-fei3, et al. Aging Diagnosis and Remaining Life Prediction of Solid Insulation for Oil-immersed Transformers[J]. High voltageapparatus, 2010, 46(9): 71-73.
[1]林朝晖,张彼德,黄鹏飞,林丽琴.油浸式变压器固体绝缘诊断及剩余寿命预测[J].高压电器,2010,46(09):71-73. DOI： 10.13296/j.1001-1609.hva.2010.09.019.

LIN Chao-hui1, ZHANG Bi-de2, HUANG Peng-fei3, et al. Aging Diagnosis and Remaining Life Prediction of Solid Insulation for Oil-immersed Transformers[J]. High voltageapparatus, 2010, 46(9): 71-73. DOI： 10.13296/j.1001-1609.hva.2010.09.019.

摘要

对油浸式变压器油中溶解的糠醛含量进行分析可以预测变压器的绝缘寿命。笔者通过采集变压器油中的糠醛及CO、CO2

利用油中糠醛含量与运行年限的对应关系

并按理论分布计算出变压器的糠醛浓度注意值

给出了变压器固体绝缘的诊断流程并基于平均剩余寿命的方法给出了油浸式变压器剩余寿命的预测公式。实例分析证明

该预测公式能够提供较好地剩余寿命预测。

Abstract

The life of solid insulation of an oil-immersed transformer can be predicted by measuring the concentration of furfural dissolved in the oil.In this paper

the relation between furfural concentration and operation time is applied in calculating the alarm value of furfural concentration in a transformer according to its theoretical distribution

the aging diagnosis procedure of solid insulation is given

and a remaining life prediction equation of the oil-immersed transformer is proposed by using the average remaining life method.A case study demonstrates the feasibility of the equation.

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