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Study of molecular behavior in oxidation of insulating oil using terahertz spectroscopy
Author(s) -
Nishimura Nobuaki,
Ogura Ryuichi,
Matsumoto Satoshi,
Mizuno Maya,
Fukunaga Kaori
Publication year - 2013
Publication title -
electrical engineering in japan
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.136
H-Index - 28
eISSN - 1520-6416
pISSN - 0424-7760
DOI - 10.1002/eej.22335
Subject(s) - terahertz radiation , spectroscopy , dodecane , materials science , absorption (acoustics) , absorption spectroscopy , analytical chemistry (journal) , chemical engineering , optoelectronics , photochemistry , organic chemistry , composite material , chemistry , optics , engineering , physics , quantum mechanics
The stock of aged power equipment is increasing and it is important to clarify the characteristics of deteriorated insulating oil. This paper describes a basic study of molecular behavior in the oxidation of insulating oil by terahertz spectroscopy. The oxidation of insulating oil was modeled by using various compositions of dodecane and 2‐octanol. The terahertz measurements indicated that signicant absorption related to hydroxyl groups (‐OH) occurred between 6 and 7 THz. The absorption band was also observed in accelerated aging alkylbenzene, which is used in power equipment as insulating oil and is sensitive to hydrogen bonds. © 2013 Wiley Periodicals, Inc. Electr Eng Jpn, 183(1): 9–15, 2013; Published online in Wiley Online Library (wileyonlinelibrary.com). DOI 10.1002/eej.22335

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