Immersion photoacoustic spectrometer (iPAS) for arcing fault detection in power transformers

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

We report on the development of the first immersion photoacoustic spectrometer (iPAS) for arcing fault detection in power transformers. The spectrometer consists of a detection system and an all-optical photoacoustic sensing head mounted inside a small permeable chamber where dissolved C2H2 diffuses while the transformer oil is kept out. Our all-optical iPAS sensor can be placed directly inside an oil bath and measure dissolved C2H2 with the sensitivity and linearity needed for in situ arcing fault detection. Moreover, its fast response time holds great promise for extra-early fault diagnosis.

Original languageEnglish
Pages (from-to)3741-3744
Number of pages4
JournalOptics Letters
Volume44
Issue number15
Early online date24 Jul 2019
DOIs
Publication statusPublished - 1 Aug 2019

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fault detection
transformers
submerging
spectrometers
oils
linearity
baths
chambers
sensitivity
sensors

Cite this

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abstract = "We report on the development of the first immersion photoacoustic spectrometer (iPAS) for arcing fault detection in power transformers. The spectrometer consists of a detection system and an all-optical photoacoustic sensing head mounted inside a small permeable chamber where dissolved C2H2 diffuses while the transformer oil is kept out. Our all-optical iPAS sensor can be placed directly inside an oil bath and measure dissolved C2H2 with the sensitivity and linearity needed for in situ arcing fault detection. Moreover, its fast response time holds great promise for extra-early fault diagnosis.",
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Immersion photoacoustic spectrometer (iPAS) for arcing fault detection in power transformers. / Zhou, Sheng; Iannuzzi, Davide.

In: Optics Letters, Vol. 44, No. 15, 01.08.2019, p. 3741-3744.

Research output: Contribution to JournalArticleAcademicpeer-review

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