Validity Evaluation of Online Monitored Chromatographic Data of Transformer Oil

LI Zhenjie; BIAN Zhaohui; CHEN Xuemin; MA Song; GUO Hangyuan; LIN Jiang

doi:10.13296/j.1001-1609.hva.2018.06.024

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Validity Evaluation of Online Monitored Chromatographic Data of Transformer Oil

更新时间：2025-04-26

- Validity Evaluation of Online Monitored Chromatographic Data of Transformer Oil
- High VoltageApparatus Vol. 54, Issue 6, Pages: 158-163+169(2018)
- 作者机构：
  
  1. 国网山东省电力公司菏泽供电公司
  2. 南京德软信息科技发展有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2018.06.024
  CLC： TM855
- Published：2018
- 稿件说明：
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[1]李振杰,卞朝晖,陈学民,马松,郭航源,林江.变压器油色谱在线监测数据有效性评估[J].高压电器,2018,54(06):158-163+169.

LI Zhenjie, BIAN Zhaohui, CHEN Xuemin, et al. Validity Evaluation of Online Monitored Chromatographic Data of Transformer Oil[J]. High voltageapparatus, 2018, 54(6): 158-163+169.
[1]李振杰,卞朝晖,陈学民,马松,郭航源,林江.变压器油色谱在线监测数据有效性评估[J].高压电器,2018,54(06):158-163+169. DOI： 10.13296/j.1001-1609.hva.2018.06.024.

LI Zhenjie, BIAN Zhaohui, CHEN Xuemin, et al. Validity Evaluation of Online Monitored Chromatographic Data of Transformer Oil[J]. High voltageapparatus, 2018, 54(6): 158-163+169. DOI： 10.13296/j.1001-1609.hva.2018.06.024.

摘要

变压器油色谱在线监测数据质量是影响状态评估准确性的重要因素

为评估在线监测数据的有效性

根据变压器油色谱特点

分别以H2、总烃和CO作为特征气体

采用Fast-MCD稳健分析方法进行异常值检测;定义了在线监测单一特征气体数据有效性评估指标和加权油色谱在线监测系统数据有效性评估指标。通过对某电网500 kV变压器在线监测数据样本统计分析

对常见的三种油色谱在线监测系统的数据有效性进行了对比评估。

Abstract

To evaluate the validity of online monitored chromatographic data of transformer oil

the outliers of the measured values of the characteristic gases H

total hydrocarbon and CO are analyzed according to the chromatographic characteristics of transformer oil by means of Fast-MCD robust statistics. Then

the validity evaluation indexes for the monitored data of single characteristic gas and the weighted data of online monitoring facility are defined. Moreover

the samples of online monitored chromatographic data of transformer oil from a 500 kV grid are selected for statistical analysis

and the validities of three common online chromatography monitoring systems are consequently compared.

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