Abstract
SF6 as insulating gas has a very good dielectric strength. Therefore, SF6 is used in many applications. Nowadays, it is investigated again whether SF6-N2 mixtures can replace pure SF6 in for example gas-insulated substations and lines. For pure SF6 the optimal gas pressure varies between 4 and 6 bar. In order to find a suitable SF6-N2 gas mixture to substitute SF6, the gas pressure has been varied in such a way that the similar lightning impulse breakdown voltage levels were obtained. In further experiments, we compared gases of corresponding dielectric strengths.
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References
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Meijer, S., Smit, J.J., Girodet, A. (2001). Breakdown Strength of N2-SF6 Gas Mixtures Containing 10% and 5% SF6 Compared with pure SF6 . In: Christophorou, L.G., Olthoff, J.K. (eds) Gaseous Dielectrics IX. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-0583-9_52
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DOI: https://doi.org/10.1007/978-1-4615-0583-9_52
Publisher Name: Springer, Boston, MA
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