Breakdown Mechanism of Different Sulphur Hexafluoride Gas Mixtures

Sulphur hexafluoride (SF6) gas and SF6 gas mixtures are widely used in gas-insulated systems (GIS) because they have good dielectric and thermal properties. Among the various gas mixtures investigated so far, SF6-air, SF6-CO2, and SF6-N2 are most used gas mixtures. Also, these mixtures have much tec...

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Main Author: E. Onal
Format: Article
Language:English
Published: Wiley 2018-01-01
Series:Advances in Materials Science and Engineering
Online Access:http://dx.doi.org/10.1155/2018/3206132
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author E. Onal
author_facet E. Onal
author_sort E. Onal
collection DOAJ
description Sulphur hexafluoride (SF6) gas and SF6 gas mixtures are widely used in gas-insulated systems (GIS) because they have good dielectric and thermal properties. Among the various gas mixtures investigated so far, SF6-air, SF6-CO2, and SF6-N2 are most used gas mixtures. Also, these mixtures have much technical superiority in GIS. These are nontoxic and nonflammable gases, and they have less sensitivity to nonuniformities and higher liquefaction temperature at high pressure. GIS, switchgears, circuit breakers, and substations are systems that work with alternating current and have nonuniform electric fields. For this reason, in this study the breakdown mechanisms of 0.125, 0.5, 1, and 20% SF6 gas mixtures with rod-plane configuration under AC voltage are investigated and explained breakdown mechanism.
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series Advances in Materials Science and Engineering
spelling doaj-art-f6cad699edf542b98c91da3d3fbe7dcf2025-02-03T01:23:52ZengWileyAdvances in Materials Science and Engineering1687-84341687-84422018-01-01201810.1155/2018/32061323206132Breakdown Mechanism of Different Sulphur Hexafluoride Gas MixturesE. Onal0Electrical Engineering Department, Istanbul Technical University (ITU), Istanbul 34469, TurkeySulphur hexafluoride (SF6) gas and SF6 gas mixtures are widely used in gas-insulated systems (GIS) because they have good dielectric and thermal properties. Among the various gas mixtures investigated so far, SF6-air, SF6-CO2, and SF6-N2 are most used gas mixtures. Also, these mixtures have much technical superiority in GIS. These are nontoxic and nonflammable gases, and they have less sensitivity to nonuniformities and higher liquefaction temperature at high pressure. GIS, switchgears, circuit breakers, and substations are systems that work with alternating current and have nonuniform electric fields. For this reason, in this study the breakdown mechanisms of 0.125, 0.5, 1, and 20% SF6 gas mixtures with rod-plane configuration under AC voltage are investigated and explained breakdown mechanism.http://dx.doi.org/10.1155/2018/3206132
spellingShingle E. Onal
Breakdown Mechanism of Different Sulphur Hexafluoride Gas Mixtures
Advances in Materials Science and Engineering
title Breakdown Mechanism of Different Sulphur Hexafluoride Gas Mixtures
title_full Breakdown Mechanism of Different Sulphur Hexafluoride Gas Mixtures
title_fullStr Breakdown Mechanism of Different Sulphur Hexafluoride Gas Mixtures
title_full_unstemmed Breakdown Mechanism of Different Sulphur Hexafluoride Gas Mixtures
title_short Breakdown Mechanism of Different Sulphur Hexafluoride Gas Mixtures
title_sort breakdown mechanism of different sulphur hexafluoride gas mixtures
url http://dx.doi.org/10.1155/2018/3206132
work_keys_str_mv AT eonal breakdownmechanismofdifferentsulphurhexafluoridegasmixtures