The Polarity Factor in the Kindling of Electric Impulse Sparkover Based Upon Lichtenberg Figures
- 1 September 1933
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in Transactions of the American Institute of Electrical Engineers
- Vol. 52 (3) , 918-923
- https://doi.org/10.1109/t-aiee.1933.5056421
Abstract
The paper presents the results of a photographic study of successive steps in the kindling process of impulse sparkover in unsymmetrical dielectric fields. The photographs confirm the theory, established by the bending of the electric figure streamers when formed under stress of the magnetic field, that electrons primarily are the active elements in the kindling mechanism. The figures also indicate that in a field of ionizing potential gradient the bridging of the spark-gap (10.5 cm) is due largely to extension of the streamers or channels from the positive electrode; and that space charges affect the impulse-sparkover process.Keywords
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