Fuzzy State Assessment Model of Converter Transformer Based on Center Distance and Sample Features

SUN Yong; ZHANG Peng; PI Jie; SUN Xiaoyu; LI Xin; FAN Youping

doi:10.13296/j.1001-1609.hva.2019.12.013

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Fuzzy State Assessment Model of Converter Transformer Based on Center Distance and Sample Features

更新时间：2025-04-26

- Fuzzy State Assessment Model of Converter Transformer Based on Center Distance and Sample Features
- High VoltageApparatus Vol. 55, Issue 12, Pages: 90-97(2019)
- 作者机构：
  
  1. 中国南方电网超高压输电公司检修试验中心
  2. 武汉大学电气工程学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2019.12.013
  CLC： TM41
- Published：2019
- 稿件说明：
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[1]孙勇,张鹏,皮杰,孙晓瑜,李欣,樊友平.基于中心距和样本特征的换流变压器模糊状态评估模型[J].高压电器,2019,55(12):90-97.

SUN Yong, ZHANG Peng, PI Jie, et al. Fuzzy State Assessment Model of Converter Transformer Based on Center Distance and Sample Features[J]. High voltageapparatus, 2019, 55(12): 90-97.
[1]孙勇,张鹏,皮杰,孙晓瑜,李欣,樊友平.基于中心距和样本特征的换流变压器模糊状态评估模型[J].高压电器,2019,55(12):90-97. DOI： 10.13296/j.1001-1609.hva.2019.12.013.

SUN Yong, ZHANG Peng, PI Jie, et al. Fuzzy State Assessment Model of Converter Transformer Based on Center Distance and Sample Features[J]. High voltageapparatus, 2019, 55(12): 90-97. DOI： 10.13296/j.1001-1609.hva.2019.12.013.

摘要

换流变压器是高压直流输电工程中的枢纽设备

随着投运年限的增加

其绝缘问题日益突出

对其运行状态进行评估以指导运维工作就显得尤为重要。文中综合分析了换流变压器的结构和工作特性

建立了全面的换流变压器评估指标体系;提出了一种基于模糊层次分析的换流变压器状态评估方法

避免了主观因素影响;以不同时段内换流变压器运维数据样本为基础

建立了多个带有样本特征的换流变压器模糊状态评估模型

通过中心距融合法

得到了基于样本特征的换流变压器综合模糊状态评估模型。本方法以实测数据和运维统计数据为基础

充分体现了换流变结构特点和不同时段内运行特性

具有较高的精度和较广泛的适用范围。

Abstract

Converter transformer is one of the most significant equipment in HVDC transmission project.As its running time goes by

the insulation problem is becoming prominently serious

it is highly necessary to establish the converter transformer state assessment model.With a comprehensive analysis of converter transformer structure and working characteristics

an overall evaluation index system of converter transformer is built.A fuzzy analytic hierarchy process method for converter transformers state assessment is proposed

which averts the impact of subjective factors.Based on the operation and maintenance data of converter transformer in different periods of one year

a number of converter transformer fuzzy condition assessment models

with different sample features

are established.Finally the comprehensive and fuzzy assessment model of converter transformer

based on sample characteristics

is obtained by using the center distance fusion method.Based on the statistical data of operation and maintenance

the method fully reflects the structural features and the operation features of the converter transformer in different periods

which has higher accuracy and wider range of application.

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