Transmittance spectra of oxidized insulation oil using terahertz spectroscopy

Nobuaki Nishimura, Ryuich Ogura, Satoshi Matsumoto, Maya Mizuno, Kaori Fukunaga

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

The number of aged power equipment increases and it is important to clarify the characteristics of deteriorated insulating oil. This paper describes the basic study on transmittance spectra of oxidized insulating oils by terahertz spectroscopy. First, the mineral and mixture insulating oils heated in oxygen were measured and observed spectra change. Second, the oxidation process of insulating oil was modeled by using various compositions of dodecane and 2-octanol. The absorption related to hydroxyl groups (-OH) was significantly observed between 6 and 7 THz. And hydrogen bonds were observed from vibration change of OH. The absorption band was also observed in accelerated aging insulating oils used in power equipments as insulating oil.

Original languageEnglish
Title of host publicationProceedings - IEEE International Conference on Dielectric Liquids
DOIs
Publication statusPublished - 2011
Event2011 IEEE International Conference on Dielectric Liquids, ICDL 2011 - Trondheim
Duration: 2011 Jun 262011 Jun 30

Other

Other2011 IEEE International Conference on Dielectric Liquids, ICDL 2011
CityTrondheim
Period11/6/2611/6/30

Fingerprint

Terahertz spectroscopy
Insulating oil
Insulation
Oils
Hydroxyl Radical
Minerals
Absorption spectra
Hydrogen bonds
Aging of materials
Oxygen
Oxidation
Chemical analysis

Keywords

  • acceralated aging test
  • insulating oil
  • mineral oil
  • molecular behavior
  • terahertz spectroscopy

ASJC Scopus subject areas

  • Electrochemistry
  • Electronic, Optical and Magnetic Materials

Cite this

Nishimura, N., Ogura, R., Matsumoto, S., Mizuno, M., & Fukunaga, K. (2011). Transmittance spectra of oxidized insulation oil using terahertz spectroscopy. In Proceedings - IEEE International Conference on Dielectric Liquids [6015433] https://doi.org/10.1109/ICDL.2011.6015433

Transmittance spectra of oxidized insulation oil using terahertz spectroscopy. / Nishimura, Nobuaki; Ogura, Ryuich; Matsumoto, Satoshi; Mizuno, Maya; Fukunaga, Kaori.

Proceedings - IEEE International Conference on Dielectric Liquids. 2011. 6015433.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Nishimura, N, Ogura, R, Matsumoto, S, Mizuno, M & Fukunaga, K 2011, Transmittance spectra of oxidized insulation oil using terahertz spectroscopy. in Proceedings - IEEE International Conference on Dielectric Liquids., 6015433, 2011 IEEE International Conference on Dielectric Liquids, ICDL 2011, Trondheim, 11/6/26. https://doi.org/10.1109/ICDL.2011.6015433
Nishimura N, Ogura R, Matsumoto S, Mizuno M, Fukunaga K. Transmittance spectra of oxidized insulation oil using terahertz spectroscopy. In Proceedings - IEEE International Conference on Dielectric Liquids. 2011. 6015433 https://doi.org/10.1109/ICDL.2011.6015433
Nishimura, Nobuaki ; Ogura, Ryuich ; Matsumoto, Satoshi ; Mizuno, Maya ; Fukunaga, Kaori. / Transmittance spectra of oxidized insulation oil using terahertz spectroscopy. Proceedings - IEEE International Conference on Dielectric Liquids. 2011.
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