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Author Eteiba, M. B.en_US
Available date 2009-11-25T13:06:05Zen_US
Publication Date 1988en_US
Publication Name Engineering Journal of Qatar University
Citation Engineering Journal of Qatar University, 1988, Vol. 1, Pages 95-112.en_US
URI http://hdl.handle.net/10576/7963en_US
Abstract The influence of electrode surface roughness on the breakdown field strength in SFu gas and mixtures is investigated. A coaxial electrode configuration is used to represent a practical gas insulated cable. With the use of an approximate formula for the effective ionization coefficient and the streamer discharge criterion, it is possible to calculate the breakdown field strength both in SFs and in mixtures. The factors influencing the deterioration of the dielectric strength of SF6 gas and mixtures with air, CO; and N2 are discussed. A comparison between results obtained for SF^ gas is presented. The results confirm that increased electrode surface roughness leads to reduced breakdown voltages of compressed gas insulated systems.en_US
Language enen_US
Publisher Qatar Universityen_US
Subject Engineering Materialsen_US
Title Electrode Surface Roughness Effect on the Breakdown Characteristics of Compressed Gas Cableen_US
Type Articleen_US
Pagination 95-112en_US
Volume Number 1en_US


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