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Artículo

High-voltage multichannel rail gap switch triggered by corona discharges

Niedbalski, Jorge JulioIcon
Fecha de publicación: 07/2003
Editorial: American Institute of Physics
Revista: Review of Scientific Instruments
ISSN: 0034-6748
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ciencias Físicas

Resumen

A simple trigger assembly designed to promote multichannel breakdown in a high-voltage low-inductance rail gap switch operating in a dc voltage hold-off mode is described. The switch is formed by two extended ~rail! cylindrical electrodes, separated by spacing of 10 mm and pressurizedwith nitrogen or air up to about 0.5 bar. The gas breakdown in multiple sites of the interelectrodevolume is initiated by preionization with ultraviolet radiation pulses simultaneously emitted from anarray of circular orifices and is performed along one generatrix of the surface of a tabular electrode~cathode! which are generated in its interior by capacitively coupled ~pulsed corona! discharges. The switch has been tested by discharging capacitors of 40 and 100 nF in an underdamped condition at voltages and peak currents up to 15 kV and 14 kA, respectively. The maximum energy transferredper shot was about 11 J. The trigger assembly allows one to arbitrarily select the number of channels to be formed just by varying the number of preionization sources (orifices) distributed in the cathode and as a result they are unaffected by the discharges.
Palabras clave: HIGH VOLTAGE SWITCH , MULTICHANNEL , CORONA DISCHARGE
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/242591
DOI: http://dx.doi.org/10.1063/1.1584081
Colecciones
Articulos(CCT - TANDIL)
Articulos de CTRO CIENTIFICO TECNOLOGICO CONICET - TANDIL
Citación
Niedbalski, Jorge Julio; High-voltage multichannel rail gap switch triggered by corona discharges; American Institute of Physics; Review of Scientific Instruments; 74; 7; 7-2003; 3520-3523
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