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Fluorinated Nitrile as a Potential Substitute of SF6 for ARC Interruption in Switchgears

  • Xi'an Jiaotong University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

5 Scopus citations

Abstract

this paper is based on the replacement of Sulfur hexafluoride (SF6) gas in switchgears, by using C4F7N; a fluorinated nitrile. The principle research is however required to examine the potential of fluorinated Nitrile as compared to the SF6. Until now, lesser number of attempts being made to investigate the arc interruption time by usingC4F7N. The objective of this work was to investigate the arcing time ofC4F7 N with different mixture compositions and compare the results with SF6. C4F7N due to limitations liquefaction temperature, cannot be use alone, so this paper will show the mixture of (C4F7N) withCO2 as the main subject. By mixing a small amount ofC4F7N intoCO2, the breaking performance of the insulating gas can be significantly improved. Under the conditions, that the partial pressure ofC4F7N suitable replacement of SF6, C4F7N is certain, increasing the total pressure of the mixed gas ofC4F7N/CO2 can also improve its breaking performance.

Original languageEnglish
Title of host publication2018 International Conference on Power System Technology, POWERCON 2018 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages3723-3728
Number of pages6
ISBN (Electronic)9781538664612
DOIs
StatePublished - 2 Jul 2018
Event2018 International Conference on Power System Technology, POWERCON 2018 - Guangzhou, China
Duration: 6 Nov 20189 Nov 2018

Publication series

Name2018 International Conference on Power System Technology, POWERCON 2018 - Proceedings

Conference

Conference2018 International Conference on Power System Technology, POWERCON 2018
Country/TerritoryChina
CityGuangzhou
Period6/11/189/11/18

Keywords

  • Arc Interruption
  • Fluorinated nitrile
  • Sulfur hexafluoride
  • breaking performance

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