Abstract:SUMMARYThis paper describes local corona behavior and creeping discharge on composite electrode systems in N 2 . The composite electrode consisted of a needle contacted with a borosilicate glass or a ZnO disk on a needle-plane configuration. The discharge voltages increased when the needle was in contact with the glass with increasing creeping distance (L) from the needle tip to the bottom of the disk. The discharge voltages showed a reversed polarity effect beginning at L = 4 mm. In the case of a needle in co… Show more
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