Key Indicator System Establishment and Application for Transformer Condition Assessment Based on Hierarchy Grey Relation Analysis

SONG Renjie; LIU Ruiying; LIU Yaowei; WU Qilong; CAO Ming

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Key Indicator System Establishment and Application for Transformer Condition Assessment Based on Hierarchy Grey Relation Analysis

更新时间：2025-12-08

- Key Indicator System Establishment and Application for Transformer Condition Assessment Based on Hierarchy Grey Relation Analysis
- Vol. 44, Issue 8, Pages: 2509-2515(2018)
- 作者机构：
  
  1. 东北电力大学信息工程学院
  2. 国网河北省电力有限公司信息通信分公司
  3. 国网吉林省电力有限公司吉林供电公司
- 作者简介：
- 基金信息：
- DOI：
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- Published Online：31 August 2018，
  
  Published：2018
- 稿件说明：
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SONG Renjie, LIU Ruiying, LIU Yaowei, et al. Key Indicator System Establishment and Application for Transformer Condition Assessment Based on Hierarchy Grey Relation Analysis[J]. 2018, 44(8): 2509-2515.
DOI：

SONG Renjie, LIU Ruiying, LIU Yaowei, et al. Key Indicator System Establishment and Application for Transformer Condition Assessment Based on Hierarchy Grey Relation Analysis[J]. 2018, 44(8): 2509-2515. DOI：

摘要

针对变压器评估指标体系中指标种类繁多

体系结构复杂的问题

提出了以故障类型为基础的基于层次灰关联分析的状态评估关键指标体系构建方法。首先海选出变压器的故障集和影响故障的初始指标集;然后提出层次灰色关联分析法

利用该方法得到初始指标与故障类型的综合关联度

设计动态指标筛选方法进行关键指标的筛选;最后引入关联规则中的支持度检验筛选后的指标合理性

形成关键指标体系。实验结果表明

应用本文建立的关键指标体系对变压器的评估结果与变压器实际运行情况相符。案例分析证实了该指标体系的准确性

并且具有实际应用价值。

Abstract

Aiming to solve the problems of various indicators and complex system structure in transformer evaluation system

we proposed the hierarchy grey relation analysis（HGRA） which is based on fault type to establish the key indicator system of transformer. First

the fault set and initial indicator set were selected for the power transformer. Then

the grey relational analysis（GRA） was proposed to get the comprehensive correlation degree（CCD） of inital indicator and fault type

so as to design the dynamic method for screening the key indicator. Finally

the support degree was introduced to check the rationality of the key indicator and the key indicator system was formed. The experimental results indicate that the evaluation results of the application of key indicator system to the transformer is consistent with the actual situation. A case analysis has proved the accuracy and practical application value of the key indicator system.

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Related Institution

Department of Energy and Electrical Engineering, Nanchang University

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