Insulation Dielectric Frequency Response Test and Insulation Aging Evaluation of Transformer in a Hydropower Plant

REN Zhang’ao; LI Xiaojiang; HAO Jianbo; YAN Ying; YAN Guilin

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Insulation Dielectric Frequency Response Test and Insulation Aging Evaluation of Transformer in a Hydropower Plant

更新时间：2025-11-18

- Insulation Dielectric Frequency Response Test and Insulation Aging Evaluation of Transformer in a Hydropower Plant
- Vol. 37, Issue 5, Pages: 33-35(2017)
- 作者机构：
  
  1. 国网湖南省电力公司电力科学研究院
  2. 国网湖北省电力公司荆门供电公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM855
- Published：2017
- 稿件说明：
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[1]任章鳌,李晓江,郝剑波,闫迎,晏桂林.某水电厂变压器绝缘介电频率响应试验及绝缘老化评估[J].湖南电力,2017,37(05):33-35.

REN Zhang’ao, LI Xiaojiang, HAO Jianbo, et al. Insulation Dielectric Frequency Response Test and Insulation Aging Evaluation of Transformer in a Hydropower Plant[J]. 2017, 37(5): 33-35.
[1]任章鳌,李晓江,郝剑波,闫迎,晏桂林.某水电厂变压器绝缘介电频率响应试验及绝缘老化评估[J].湖南电力,2017,37(05):33-35. DOI：

REN Zhang’ao, LI Xiaojiang, HAO Jianbo, et al. Insulation Dielectric Frequency Response Test and Insulation Aging Evaluation of Transformer in a Hydropower Plant[J]. 2017, 37(5): 33-35. DOI：

摘要

通过将介电频率响应技术（DFR）应用于某水电厂的变压器的含水量诊断试验

对比该变压器的电气绝缘试验和油化试验结果

有效地验证了该变压器的绝缘性能。同时对该变压器的绝缘老化进行评估

其评估结果成功指导了电厂对该变压器的检修维护。

Abstract

In this paper

the dielectric frequency response technique（ DFR） is applied to the water quality diagnosis test of a transformer in a hydropower plant

and the test results are compared with the electrical insulation test and the oil test results of the transformer. It effectively verify the insulation performance of the transformer. Meanwhile

the operation status of the transformer is evaluated

and the evaluation results have successfully guided the maintenance and maintenance of the transformer.

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