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Title: Calculation of sparking potentials of SF6 and SF6-GAS mixtures in uniform and non-uniform electric fields
Authors: NEMA, RS
Keywords: Sulphur Compounds
Gaseous Insulation
Electric Breakdown Of Gases
Issue Date: 1982
Publisher: IEEE
Citation: IEEE Transactions on Electrical Insulation EI-17 (1), 70-75
Abstract: A simple formula is developed to predict the sparking potentials of SF6 and SF6-gas mixture in uniform and non-uniform fields. The formula has been shown to be valid over a very wide range from 1 to 1800 kPa·cm of pressure and electrode gap separation for mixtures containing 5 to 100% SF6. The calculated values are found to be in good agreement with the previously reported measurements in the literature. The formula should aid design engineers in estimating electrode-spacings and clearances in power apparatus and systems.
ISSN: 0018-9367
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