Isothermal Microcalorimetry as a Tool for Studying Oxidation Stability of Insulating Liquids

被引：2
|
作者：
Tronstad, Ingvild [1 ]
Blekkan, Edd A. [1 ]
Ese, Marit-Helen G. [2 ]
机构：
[1] Norwegian Univ Sci & Technol NTNU, Dept Chem Engn, N-7491 Trondheim, Norway
[2] Sintef Energy Res, Dept Elect Power Technol, Trondheim, Norway
来源：
IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 2012年 / 19卷 / 05期
关键词：
Dielectric liquids; calorimetry; power transformers; oxidation stability;
D O I：
10.1109/TDEI.2012.6311497
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：
The application of an isothermal microcalorimeter for the investigation of the oxidation stability of insulating liquids has been studied. We propose that the total integral heat signal (area below the calorimeter curves) is a good indicator of the degree of oxidation taking place in the sample during the experiment. Known and unknown insulating liquids have been used in this study, and the amount of available oxygen in the samples has been varied. The results show that isothermal microcalorimetry is well suited for characterizing the oxidation stability of insulating liquids.
引用
收藏
页码：1528 / 1536
页数：9
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