Characterizing Inhibitor Content of Transformer Oil in the UV-Visible Waveband

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

Abstract

Over the years, transformer oil has been used in majority of the power transformers to provide a reliable insulating system that is effective against dielectric stresses. Oxidation often occurred in transformer oil in the presence of oxygen and moisture which will affect the stability and insulating properties of the oil. The oxidation process cannot be eliminated but it can be delayed with the presence of inhibitor content. Even though inhibitor content can reduce the oxidation rate, the amount of inhibitor content still depletes over time. Thus, a monitoring system to detect the inhibitor content concentration is very crucial as it will be able to prolong the life span of the transformer. This paper focuses on the optical characterization of inhibitor content in transformer oil by utilizing the ultravioletvisible (UV-Vis) spectroscopy technique. It was found that oil samples with inhibitor content produce multiple absorbance peaks in the range of 350 nm to 500 nm. A clear difference in peak absorbance near 450 nm indicates the difference in the inhibitor content concentrations. Based on the results of this work, a portable and low cost optical sensing device can potentially be developed for the detection of inhibitor content in transformer oil using UV-Vis spectroscopy.

Original languageEnglish
Title of host publication2018 IEEE 7th International Conference on Photonics, ICP 2018
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781538611876
DOIs
Publication statusPublished - 12 Nov 2018
Event7th IEEE International Conference on Photonics, ICP 2018 - Langkawi, Kedah, Malaysia
Duration: 09 Apr 201811 Apr 2018

Publication series

Name2018 IEEE 7th International Conference on Photonics, ICP 2018

Other

Other7th IEEE International Conference on Photonics, ICP 2018
CountryMalaysia
CityLangkawi, Kedah
Period09/04/1811/04/18

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All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Signal Processing
  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics

Cite this

Leong, Y. S., Ker, P. J., Jamaludin, M. Z., M. Nomanbhay, S., Ismail, A., Abdullah, F., ... Lo, C. K. (2018). Characterizing Inhibitor Content of Transformer Oil in the UV-Visible Waveband. In 2018 IEEE 7th International Conference on Photonics, ICP 2018 [8533214] (2018 IEEE 7th International Conference on Photonics, ICP 2018). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICP.2018.8533214