Response of a carbon nanotube gas sensor to impulse discharges in SF 6 gas

Ryuta Shou, Takuya Tsutsumi, Yul Martin, Michihiko Nakano, Junya Suehiro

Research output: Contribution to journalArticle

Abstract

The authors have proposed a detection method of the decomposed gas of SF6 in gas insulated switchgear (GIS) using carbon nanotube (CNT) gas sensor. The previous studies focused on the decomposed gas generated by the partial discharge (PD) under AC or DC high voltages. In this paper, we demonstrated an application of CNT gas sensor for a fault localization method in case a grounding fault was occurred in GIS. The CNT gas sensor responses to SF6 decomposition gases generated by an impulse arc discharge were measured for both impulse voltage polarities. Chemical gas analysis was also conducted to identify decomposition products, which were responsible for the CNT sensor response.

Original languageEnglish
Pages (from-to)978-979
Number of pages2
JournalIEEJ Transactions on Fundamentals and Materials
Volume132
Issue number11
DOIs
Publication statusPublished - Nov 26 2012

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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