Gassing behavior of various alternative insulating liquids under thermal and electrical stress

被引：0
|
作者：
Jovalekic, M. [1 ]
Vukovic, D. [1 ]
Tenbohlen, S. [1 ]
机构：
[1] Univ Stuttgart, Inst Power Transmiss & High Voltage Technol IEH, Stuttgart, Germany
来源：
CONFERENCE RECORD OF THE 2012 IEEE INTERNATIONAL SYMPOSIUM ON ELECTRICAL INSULATION (ISEI) | 2012年
关键词：
Transformer oil; natural ester; dissolved gas analysis;
D O I：
暂无
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 in oil analysis (DGA) has been used for many years successfully for diagnosis and condition monitoring of mineral oil filled transformers. Due to the usage of alternative dielectric liquids, for example natural and synthetic esters, it is necessary to investigate if and how this diagnostic method can be applied to these insulating systems. This contribution presents the gassing behavior of different insulating liquids from experiments, which represent electrical and thermal faults. Also the suitability of existing mineral oil interpretation methods for DGA is considered. One mainly investigated fluid is Envirotemp FR3 (TM). Where possible the amount and relation of gases are compared to mineral oil and other synthetic esters' gassing behavior.
引用
收藏
页码：490 / 493
页数：4
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