Key Parameters Extraction and Condition Evaluation of Transformer Based on Factor Analysis and D-S Evidence Theory

ZENG Danle; DU Xiuming; SHENG Gehao; WANG Hui; CHEN Yufeng; JIANG Xiuchen

doi:10.13296/j.1001-1609.hva.2016.03.002

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Key Parameters Extraction and Condition Evaluation of Transformer Based on Factor Analysis and D-S Evidence Theory

更新时间：2025-04-26

- Key Parameters Extraction and Condition Evaluation of Transformer Based on Factor Analysis and D-S Evidence Theory
- High VoltageApparatus Vol. 52, Issue 3, Pages: 7-14+22(2016)
- 作者机构：
  
  1. 上海交通大学电气工程系
  2. 国网山东省电力公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2016.03.002
  CLC： TM41
- Published：2016
- 稿件说明：
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[1]曾丹乐,杜修明,盛戈皞,王辉,陈玉峰,江秀臣.基于因子分析法与D-S证据理论的变压器关键参量提取和状态评估[J].高压电器,2016,52(03):7-14+22.

ZENG Danle, DU Xiuming, SHENG Gehao, et al. Key Parameters Extraction and Condition Evaluation of Transformer Based on Factor Analysis and D-S Evidence Theory[J]. High voltageapparatus, 2016, 52(3): 7-14+22.
[1]曾丹乐,杜修明,盛戈皞,王辉,陈玉峰,江秀臣.基于因子分析法与D-S证据理论的变压器关键参量提取和状态评估[J].高压电器,2016,52(03):7-14+22. DOI： 10.13296/j.1001-1609.hva.2016.03.002.

ZENG Danle, DU Xiuming, SHENG Gehao, et al. Key Parameters Extraction and Condition Evaluation of Transformer Based on Factor Analysis and D-S Evidence Theory[J]. High voltageapparatus, 2016, 52(3): 7-14+22. DOI： 10.13296/j.1001-1609.hva.2016.03.002.

摘要

变压器的状态评估是运行、检修与维护的重要依据

而变压器的评估参量类型冗余、数量繁多等是该环节工作的难点问题。针对上述问题

该文在深入分析变压器状态评估的需求和研究现状的基础上

构建了基于关键评估参量体系及D-S证据理论的多层次综合模糊评判模型。首先利用因子分析法提取并构建了关键参量指标体系;其次结合层次分析法获得评价系统中各子指标的最优权重

从而依据各自隶属度函数获得各项目层的评价结果;最后依据D-S证据理论对各项目层的评估结果进行了融合评估决策。经实例分析

该模型能有效且合理地对变压器状态进行评估。

Abstract

Condition evaluation is an important basis for operation

repair and maintenance of transformer.However

the redundancy and great number of evaluation parameters bring difficulty. In this paper

the demand and present researches on condition evaluation of transformer are analyzed

and a multi-level comprehensive fuzzy evaluation model is constructed on the basis of key evaluation parameters system and D-S evidence theory. Firstly

a system of key evaluation parameters is extracted by using factor analysis method. Then

analytic hierarchy process（AHP） is applied to obtain the optimal weight of each parameter

and results of each evaluation layer are computed based on their membership functions. Finally

taking the results of project layers as inputs

fusion evaluation decision is made based on D-S evidence theory.Analysis of an example shows that the proposed evaluation model can effectively and reasonably evaluate transformer condition.

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