Aged Transformer Oil Analysis Through Laser-Induced Breakdown Spectroscopy

被引：1

作者：

Farhadian, A. H. ^{[1
]}

Mikhak-Beyranvand, M. ^{[2
]}

Mousavi Fard, S. S. ^{[3
]}

机构：

[1] Nucl Sci & Technol Res Inst, Photon & Quantum Technol Res Sch, Tehran 1415513399, Iran

[2] Tech & Vocat Univ TVU, Dept Elect Engn, Tehran 1435763811, Iran

[3] Kermanshah Univ Technol, Dept Engn Phys, Kermanshah 6718773654, Iran

来源：

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 2024年 / 31卷 / 04期

关键词：

Oils; Oil insulation; Power transformer insulation; Aging; Spectroscopy; Chemicals; Plasmas; gas chromatography (GC); laser-induced breakdown spectroscopy (LIBS); principal component analysis (PCA); transformer oil; DIBENZYL DISULFIDE; POWER TRANSFORMERS; LINES; IDENTIFICATION; LIBS;

D O I：

10.1109/TDEI.2024.3394408

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 periodic inspection of power transformers is important to prevent possible failures in power systems. One effective approach is transformer oil analysis. In recent years, the need for a fast, accurate, and in situ method has been increased significantly. This research employs laser-induced breakdown spectroscopy (LIBS) to analyze transformer oil and investigate its aging. For this purpose, the changes in the intensity of molecular emissions (C-2, CN, and OH) and their correlation with aging processes are used. Spectral investigation shows that Cu lines are added to the spectra of aged samples. Temperature and electron density of plasma are calculated. Additionally, the principal component analysis (PCA) method is used to check and compare the overall spectra. Finally, the results of gas chromatography (GC) and acid number (AN) tests are given to confirm the age of the samples.

引用

页码：1988 / 1994

页数：7

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