Nanosecond Breakdown Characteristics of C4F7N and Various Mixtures at Pressures Above 1 Atmosphere in Comparison with SF6

Silvestre, Luke; Matthies, Jakob; Boswell, Luke; Stephens, Jacob; Dickens, James; Young, Andrew; Neuber, Andreas

doi:10.3390/app142311268

Title: Nanosecond Breakdown Characteristics of C₄F₇N and Various Mixtures at Pressures Above 1 Atmosphere in Comparison with SF₆

Journal Article · 02 December 2024 · Applied Sciences

DOI: https://doi.org/10.3390/app142311268 · OSTI ID:2491429

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Texas Tech Univ., Lubbock, TX (United States)
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

This report evaluates the pulsed breakdown performance of C₄F₇N under a 6.8 kV/ns voltage excitation. The pulsed dielectric strength of C₄F₇N is compared to SF₆ in the same experimental setup, and it is found that C₄F₇N concentrations of 50% or greater are required to achieve a dielectric strength greater than or equal to SF₆ . Pure C₄F₇N demonstrated higher electric field hold-off for longer time periods and less statistical variance under pulsed conditions when compared to SF₆. Mixtures of 50%C₄F₇N with N₂ or CO₂ as buffer gases showed no appreciable difference in pulsed dielectric strength.

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Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: AC52-07NA27344

OSTI ID:: 2491429

Report Number(s):: LLNL--JRNL-2000810

Journal Information:: Applied Sciences, Journal Name: Applied Sciences Journal Issue: 23 Vol. 14; ISSN 2076-3417

Publisher:: MDPICopyright Statement

Country of Publication:: United States

Language:: English

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37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
C4F7N
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SF6
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dielectric strength
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Title: Nanosecond Breakdown Characteristics of C4F7N and Various Mixtures at Pressures Above 1 Atmosphere in Comparison with SF6

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Title: Nanosecond Breakdown Characteristics of C₄F₇N and Various Mixtures at Pressures Above 1 Atmosphere in Comparison with SF₆