Study on Insulation Aging of Power Transformer Based on Gray Relational Diagnostic Model

CAI Jinding; HUANG Yuncheng

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Study on Insulation Aging of Power Transformer Based on Gray Relational Diagnostic Model

更新时间：2025-12-08

- Study on Insulation Aging of Power Transformer Based on Gray Relational Diagnostic Model
- Vol. 41, Issue 10, Pages: 3296-3301(2015)
- 作者机构：
  
  福州大学电气工程与自动化学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：30 October 2015，
  
  Published：2015
- 稿件说明：
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CAI Jinding, HUANG Yuncheng. Study on Insulation Aging of Power Transformer Based on Gray Relational Diagnostic Model[J]. 2015, 41(10): 3296-3301.
DOI：

CAI Jinding, HUANG Yuncheng. Study on Insulation Aging of Power Transformer Based on Gray Relational Diagnostic Model[J]. 2015, 41(10): 3296-3301. DOI：

摘要

回复电压法（RVM）是一种研究电力变压器绝缘老化状态的非破坏性检测方法。为充分发挥回复电压法在油纸绝缘诊断的优点

提出采用灰色关联诊断模型评估电力变压器绝缘老化状况。首先

利用回复电压法提取能够有效地诊断电力变压器绝缘老化受潮状况的特征量;其次

利用大量变压器试验数据建立标准状态向量表;最后

采用灰色关联诊断模型对待诊变压器绝缘老化、受潮情况进行评估。依据待诊变压器与标准状态的灰色关联度

诊断出待诊变压器的绝缘状态

评估结果表明诊断结果与待诊变压器实际绝缘状态相符。

Abstract

Return voltage measurement（RVM） is a non-destructive method to diagnose insulation condition of power transformers. In order to make full use of the advantages of the recovery voltage method in the oil-paper insulation diagnosis

we put forward a method of using the gray relational model to diagnose insulation condition of power transformers. First

RVM is used to extract the characteristics which can reflect insulation condition of power transformers. Then

a large amount of test data are used to establish a standard state vector. Finally

the gray relational diagnostic model is used to diagnose insulation condition of power transformers. According to the grey correlation degree between diagnosing transformers and standard state

the insulation condition of power transformers can be diagnosed. Evaluation results show that the diagnosis results are in accordance with the actual insulation state of transformer.

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