Condition Assessment of Power Transformer Based on Health Index

WANG Jian; ZHU Wenbing; GU Chao; WU Kuihua

doi:10.13296/j.1001-1609.hva.2018.05.039

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Condition Assessment of Power Transformer Based on Health Index

更新时间：2025-04-26

- Condition Assessment of Power Transformer Based on Health Index
- High VoltageApparatus Vol. 54, Issue 5, Pages: 248-253+258(2018)
- 作者机构：
  
  1. 国网山东省电力公司电力科学研究院
  2. 国网山东省电力公司经济技术研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2018.05.039
  CLC： TM41
- Published：2018
- 稿件说明：
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[1]王建,朱文兵,辜超,吴奎华.基于健康指数的电力变压器状态评估[J].高压电器,2018,54(05):248-253+258.

WANG Jian, ZHU Wenbing, GU Chao, et al. Condition Assessment of Power Transformer Based on Health Index[J]. High voltageapparatus, 2018, 54(5): 248-253+258.
[1]王建,朱文兵,辜超,吴奎华.基于健康指数的电力变压器状态评估[J].高压电器,2018,54(05):248-253+258. DOI： 10.13296/j.1001-1609.hva.2018.05.039.

WANG Jian, ZHU Wenbing, GU Chao, et al. Condition Assessment of Power Transformer Based on Health Index[J]. High voltageapparatus, 2018, 54(5): 248-253+258. DOI： 10.13296/j.1001-1609.hva.2018.05.039.

摘要

为提高变压器预测准确性

保证变压器可靠稳定运行

建立基于健康指数的变压器综合健康状况评估模型。该模型对变压器分层、分部件进行多参量统计分析

针对历史数据（运检数据、家族缺陷

设备基本信息、负载）和现状数据（例行试验数据）两个层面以及不同部件

建立量化指标体系。进一步提出采用统计工具SPSS（statistical product and service solutions）

在研究变压器各参量之间关系的基础上

得出公共参量关联度及对健康指数的贡献值

最终利用统计方法确定量化权重及基于贡献度分析的健康指数评价模型。最后

以山东电网实际运行的变压器为例

验证了基于健康指数变压器状态评估模型的有效性

为输变电设备状态评价、检修提供科学依据。

Abstract

To improve the forecasting accuracy and ensure reliable and stable operation of transformer

based onhealth index estimation model is proposed. The transformer data is divided into different levels and parts

so multi-parameter statistical analysis is carried on. The indicator system is scored and weighted by computing history data（in-spection and maintenance

family defects

basic information and loading history）and condition data（such as routinetest data）. The condition parameters

which are classified on the component level

are scored and weighted

usingstatistical tools calculation. By using the statistical tools SPSS（statistical product and service solutions）

multivari-ate statistical analysis is carried out. On the basis of studying the relationship between various parameters

a healthevaluation model

which is based on contribution analysis

is presented. A condition-based evaluation tool

thatquantifies power transformer degradation and clarifies the relationship between each health index

is put forward.The results are presented to verify the validity and feasibility of evaluating model and assessment algorithm. This pa-per provides a scientific method for the transmitting and transforming field.

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