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Energies 2018, 11(8), 2037; https://doi.org/10.3390/en11082037

Evaluation of SF6 Leakage from Gas Insulated Equipment on Electricity Networks in Great Britain

1
Advanced High Voltage Engineering Research Centre, School of Engineering, Cardiff University, The Parade, Cardiff CF24 3AA, UK
2
Advanced High Voltage Engineering Research Centre, Cardiff University, The Parade, Cardiff CF24 3AA, UK
*
Author to whom correspondence should be addressed.
Received: 10 July 2018 / Revised: 24 July 2018 / Accepted: 1 August 2018 / Published: 6 August 2018
(This article belongs to the Section Electrical Power and Energy System)
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Abstract

This paper examines the data collected from the power industry over the last six years of actual reported emissions of sulphur hexafluoride (SF6) and the potential impact. The SF6 emissions have been collated from the 14 different regions in England, Scotland, and Wales (Great Britain) from the six distribution network operators. The emissions of SF6 due to the transmission network of Great Britain have also been collated from the three different transmission network operators. By collecting this SF6 emissions data from the power industry, in both the distribution and transmission networks, an overall view of the scale of SF6 emissions in Great Britain can be evaluated. Data from the power industry also shows the inventory of SF6 power equipment in use over the last six years in Great Britain and shows the calculated percentage leakage rate of all of this equipment. In this paper, these figures, as reported by the electrical power industry to the UK government, have been used to estimate the likely inventory of SF6 equipment in England, Scotland, and Wales by 2050 and the future emissions of SF6 that could be leaked into the atmosphere by this equipment. View Full-Text
Keywords: sulphur hexafluoride (SF6); emissions; gas insulated switchgear (GIS); gas insulated line (GIL); transmission; distribution; environment sulphur hexafluoride (SF6); emissions; gas insulated switchgear (GIS); gas insulated line (GIL); transmission; distribution; environment
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Widger, P.; Haddad, A.M. Evaluation of SF6 Leakage from Gas Insulated Equipment on Electricity Networks in Great Britain. Energies 2018, 11, 2037.

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