The model law for SF6 insulated systems

The variation of probability of the electrical breakdown of gases as a result of varying the interelectrode gap value is considered. The relevant analytical expressions have been obtained by treating the electrical discharge of gases as avalanche processes in real space and, in the sense of Markov p...

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Bibliographic Details
Published in:IEEE transactions on plasma science 2004-10, Vol.32 (5), p.1849-1855
Main Authors: OSMOKROVIC, Predrag, LONCAR, Boris, GAJIC-KVASCEV, Maja
Format: Article
Language:English
Subjects:
Decomposition
Electric discharges
Electricity
Exact sciences and technology
Gases
Mathematical models
Other gas discharges
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Pressure
Probability
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Summary:The variation of probability of the electrical breakdown of gases as a result of varying the interelectrode gap value is considered. The relevant analytical expressions have been obtained by treating the electrical discharge of gases as avalanche processes in real space and, in the sense of Markov processes, in the probability space. Parameters of the theoretical model are determined experimentally, while the whole model is experimentally verified. A rather good agreement between the results obtained experimentally and those anticipated theoretically is achieved for the surface change by a factor of ten concerning and also for the interelectrode gap change by the same factor. The experiments were carried out with the gas SF6. The absolute pressure was varied from 0.5 to 7 bars. [PUBLICATION ABSTRACT]
ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2004.835962