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Impulse-voltage breakdown characteristics of large gaps at low pressures

Nandagopal, MR and Gopalakrishna, HV (1971) Impulse-voltage breakdown characteristics of large gaps at low pressures. In: Journal of Applied Physics, 42 (13). pp. 5874-5876.

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Abstract

A study of the gap breakdown voltage characteristic at a low pressure of 7×10-5 Torr with a standard (1/50)-μsec impulse-voltage wave reveals an agreement with the criterion Vb=Cd0.5 suggested by Cranberg. Voltage-time-to-breakdown characteristics has also been determined. From these studies, it is concluded that impulse breakdown in vacuum is initiated by an electron current heating an anode spot and thereby liberating a clump which causes breakdown.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to American Institute of Physics.
Department/Centre: Division of Electrical Sciences > High Voltage Engineering (merged with EE)
Date Deposited: 11 Jun 2010 08:55
Last Modified: 19 Sep 2010 06:08
URI: http://eprints.iisc.ernet.in/id/eprint/28317

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