Effect of ambient light on the SF6 alternative mixture and their decomposition products

Sangineni, Rohith, Michelarakis, Michail ORCID: https://orcid.org/0000-0003-2862-4539, Singh, Sukhwinder, Clark, David ORCID: https://orcid.org/0000-0002-1090-2361, Albano, Maurizio ORCID: https://orcid.org/0000-0002-5486-4299, Haddad, Manu A ORCID: https://orcid.org/0000-0003-4153-6146, Wilson, Gordon and Waldron, Mark 2025. Effect of ambient light on the SF6 alternative mixture and their decomposition products. Presented at: UPEC 2024, Cardiff, Wales, 02-06 September 2024. Proceedings 59th International Universities Power Engineering Conference (UPEC). IEEE, 10.1109/upec61344.2024.10892404

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Abstract

With the ever-growing concern on emissions of greenhouse gases, insulating gaseous compounds and gas mixtures with low environmental impact are gaining importance. In addition to atmospheric gases and vacuum, selected synthetic gases show good electric insulation properties. These gases play an important role as insulant in gas insulated substations (GIS), gas insulated transmission line (GIL), and gas insulated busbar (GIB). With the potential increase in the usage of alternative gases, the effect of gases on the atmosphere and vice versa needs to be established as some leakage to the environment is unavoidable. The presented work studies the effect of ambient light on one such alternative gas mixture (C4F7N/O2/CO2). To study the effect of ambient light on the gas byproducts formed from the electric arc discharges, one batch of sample is subjected to multiple arcs and then exposed to the ambient light. The results show that the C4F7N/O2/CO2 mixture or its decomposition products are not affected by the ambient light when exposed for 30 calendar days. It was also observed that there were no solid byproducts formed during this process.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Published Online
Status:	In Press
Schools:	Schools > Engineering
Publisher:	IEEE
ISBN:	979-8-3503-7973-0
Last Modified:	10 Mar 2025 12:15
URI:	https://orca.cardiff.ac.uk/id/eprint/176760

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