Dielectric spectroscopy and gas chromatography methods applied on high-voltage transformer oils

被引：21
|
作者：
Dervos, C. T.
Paraskevas, C. D.
Skafidas, P. D.
Stefanou, N.
机构：
[1] Natl Tech Univ Athens, Sch Elect & Comp Engn, Athens 15780, Greece
[2] Publ Power Corp, Transmiss Syst Dept, Aegaleo 12241, Greece
来源：
IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 2006年 / 13卷 / 03期
关键词：
dielectric spectroscopy; oil insulation; insulation testing; permittivity;
D O I：
10.1109/TDEI.2006.1657972
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：
This paper points out the advantages offered by the temperature dependent dielectric spectroscopy in frequency domain, as an additional diagnostic technique for insulation testing of power transformers for life-time prediction. Complex permittivity measurements have been carried out as a function of operating frequency and oil temperature for a wide selection of high voltage transformers and the gaseous byproduct concentrations were also monitored. The work correlates dielectrometry data to the gas chromatography ones.
引用
收藏
页码：586 / 592
页数：7
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