EVALUATION METHOD FOR RESIDUAL SERVICE LIFE OF TRANSFORMER OIL IN OPERATION

FENG Liping1; LI Yefeng1; CHEN Chaohui2; XIAO Xiuyuan1; WANG Changchun2; SUN Yun2 1.Xi'an Thermal Power Research Institute Co Ltd

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EVALUATION METHOD FOR RESIDUAL SERVICE LIFE OF TRANSFORMER OIL IN OPERATION

更新时间：2025-09-28

- EVALUATION METHOD FOR RESIDUAL SERVICE LIFE OF TRANSFORMER OIL IN OPERATION
- Thermal Power Generation Vol. 40, Issue 5, Pages: 27-29(2011)
- 作者机构：
  
  1. 西安热工研究院有限公司
  2. 大亚湾核电运营管理有限责任公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM855
- Published：2011
- 稿件说明：
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FENG Liping1, LI Yefeng1, CHEN Chaohui2, et al. EVALUATION METHOD FOR RESIDUAL SERVICE LIFE OF TRANSFORMER OIL IN OPERATION[J]. Thermal power generation, 2011, 40(5): 27-29.
DOI：

FENG Liping1, LI Yefeng1, CHEN Chaohui2, et al. EVALUATION METHOD FOR RESIDUAL SERVICE LIFE OF TRANSFORMER OIL IN OPERATION[J]. Thermal power generation, 2011, 40(5): 27-29. DOI：

摘要

通过对某电站新变压器油和运行变压器油在100℃、110℃和120℃下的氧化诱导期和老化过程中界面张力进行连续不断的测试

并对测试结果进行回归处理

提出了在试验室中对运行变压器油进行剩余使用寿命评估的方法

其评估模型为:N=t÷{(T-t)÷n}。经实际应用证明

所提出的运行变压器油剩余使用寿命的评估方法评估结果与变压器油实际剩余寿命相符。

Abstract

Through continuous and unceasing test and measurement of interfacial tension of new transformer oil and transformer oil in operation during the aging process

and test of the induced period to oxidation under temperature of 100 ℃

110 ℃ and 120 ℃

the results of test have been regressively processed

an evaluation method in laboratory for residual service life of transformer oil in operation being put forward

its evaluation model being N=t÷{(T-t)÷n}.The practical application of said evaluation method shows that the result of evaluation tallies well with the actual residual service life of transformer oil.

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