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The Structure of the Impulse Corona in a Rod/Plane Gap. I. The Positive Corona

Waters, Ronald, Rickard, T. and Stark, W. 1970. The Structure of the Impulse Corona in a Rod/Plane Gap. I. The Positive Corona. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 315 (1520) , pp. 1-25. 10.1098/rspa.1970.0026

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Abstract

The dissipation of space charge following the growth of impulse corona discharges in positive rod/earthed plane gaps has been measured with an electrostatic fluxmeter. A method is described to determine the spatial distribution and magnitude of the space charge together with the associated electric field. Initial positive ion densities of up to 100 μC m-3 have been found. The total positive space charge deposited in a 40 cm gap at 160 kV is 500 nC. Electrons emitted from the plane electrode as a result of corona channels crossing the gap are shown to be trapped in the discharge space as negative ions. The recovery of the gap over several seconds is largely due to ionic drift to the electrodes. A theoretical derivation of the rate of deionization agrees with observed values.

Item Type: Article
Status: Published
Schools: Engineering
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
ISSN: 13645021
Last Modified: 20 Oct 2017 14:01
URI: http://orca.cf.ac.uk/id/eprint/105741

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