Impulse voltage breakdown of argon+SF/sub 6/ mixtures under non-uniform electric fields | IEEE Conference Publication | IEEE Xplore

Impulse voltage breakdown of argon+SF/sub 6/ mixtures under non-uniform electric fields


Abstract:

This experimental study addresses the behavior of binary mixtures of argon and sulfur hexafluoride in a rod-plane electrode configuration when subjected to impulse voltag...Show More

Abstract:

This experimental study addresses the behavior of binary mixtures of argon and sulfur hexafluoride in a rod-plane electrode configuration when subjected to impulse voltages. Positive-polarity, standard lightning impulse voltages (1.2-/spl mu/s/50-/spl mu/s) with different magnitudes were employed throughout the experiments. The percentage of SF/sub 6/ in Ar was varied from 1% to 90% at a total gas pressure of 50 kPa and 100 kPa. The breakdown voltage of each gas mixture was recorded at 50% breakdown probability. Similar to our theoretical as well as experimental studies under static electric fields it is observed that the breakdown strength of Ar has increased dramatically when mixed with a small percentage of SF/sub 6/. However, the breakdown voltages did increase monotonically but not dramatically for higher SF/sub 6/ percentages.
Date of Conference: 19-22 October 2003
Date Added to IEEE Xplore: 08 January 2004
Print ISBN:0-7803-7910-1
Conference Location: Albuquerque, NM, USA

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