Comparison of Dissolved Gas-in-Oil Analysis Methods Using a Dissolved Gas-in-Oil Standard

被引：26

作者：

Lelekakis, Nick ^{[1
]}

Martin, Daniel ^{[1
]}

Guo, Wenyu ^{[1
]}

Wijaya, Jaury ^{[1
]}

机构：

[1] Monash Univ, TransformerLIFE Ctr, Ctr Power Transformer Monitoring Diagnost & Life, Clayton, Vic 3800, Australia

来源：

IEEE ELECTRICAL INSULATION MAGAZINE | 2011年 / 27卷 / 05期

关键词：

dissolved gas analysis; Shake Test; vacuum extraction; headspace;

D O I：

10.1109/MEI.2011.6025366

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Dissolved gas analysis (DGA) is routinely used to determine the concentrations of gases dissolved in the insulating oil of transformers. These concentrations are used to investigate and diagnose electrical or thermal faults [1]. Such faults cause the transformer oil, pressboard, and other insulating materials to decompose and generate gases, some of which dissolve in the oil. The results of DGA must be accurate if faults are to be diagnosed reliably. Commercial testing laboratories understandably prefer measurements that can be made easily and quickly. In this paper, DGA results from five independent testing laboratories are compared and discussed. A dissolved gas-in-oil standard with known dissolved gas concentrations was used as the basis of comparison. © 2006 IEEE.

引用

页码：29 / 35

页数：7

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