Pseudospark switches for high repetition rates and high current applications

Frank, K.; Almén, O.; Bickel, Peter G.; Christiansen, J.; Gortler, A.; Hartmann, Werner; Kozlik, C.; Linsenmeyer, A.; Loscher, H.; Peter, F.; Schwandner, A.; Stark, R.H.

doi:10.1109/5.149458

Cited by 43 publications

(2 citation statements)

References 7 publications

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“…They are: hydrogen thyratrons and pseudospark switches with discharge in hydrogen under pressure of 0.Olmm Hg; ignitrons with discharge in mercury vapor serving as a qathode; and triggered vacuum switches with vacuum under pressure of 10 mm Hg serving as isolation for the main discharge gap with discharge in the vapor of hard cold cathode material. Thyratrons are not promising in solving the problems of high-energy switching due to high-energy release in them as for constructions of pseudospark switches, they are presently within the frames of laboratory model switches [ 6 ] .…”

Section: A Serious Drawback Of Spark Gap Switches Is Electrode Erosiomentioning

confidence: 99%

Final report task order number B239641 between the Regents of the University of California and Institute of Experimental Physics task 2: Switch development.

Galakhov¹,

Gruzin²,

Gudov³

et al. 1994

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Section: A Serious Drawback Of Spark Gap Switches Is Electrode Erosiomentioning

confidence: 99%

Final report task order number B239641 between the Regents of the University of California and Institute of Experimental Physics task 2: Switch development.

Galakhov¹,

Gruzin²,

Gudov³

et al. 1994

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“…In recent years, pseudospark switches have been developed for several applications [2,3,4]. Lifetimes of up to 10' discharges…”

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confidence: 99%

Investigations of carbide electrodes in high-current pseudospark switches

Schwandner

Gortler

Christiansen

et al.

Proceedings of 17th International Symposium on Discharges and Electrical Insulation in Vacuum

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Semiconducting carbides, S i c and BC, were tested as electrode material in pseudospark switches. Typical parameters of the test circuit were a charging voltage of 20kV, a peak current up to 120kA and a pulse length of 5ps (weakly damped sinusoidal pulse shape). In comparison to metal electrodes no differences in the electrical signals were detected. Optical investigations with a fast shutter let assume, that the discharge starts on axis. At later times the discharge plasma is homogeneously distributed over the total carbide surfaces of the electrodes. No cathode spots were observed. The erosion rate is low in comparison to molybdenum electrodes. The lifetime of the switch is enlarged as first tests show, but the holdoff voltage is limited due to field enhancement at the triple point metal, carbide, and gas.The pseudospark [ I ] is a low pressure gas discharge on the left side of the breakdown characteristic which is comparable to the PASCHEN curve. In recent years, pseudospark switches have been developed for several applications [2,3,4]. Lifetimes of up to 10' discharges

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Plasma Switches

Hegeler¹

2007

Wiley Encyclopedia of Electrical and Electronics Engineering

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The sections in this article are General Switch Parameters Gas Spark Gaps Surface Discharge Swtches Diffuse Discharge Opening Switch Plasma Opening Switches Plasma Flow Switches Thyratrons Tacitrons Crossatrons Pseudospark Switches Ignitrons

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Pseudospark switches for high repetition rates and high current applications

Cited by 43 publications

References 7 publications

Final report task order number B239641 between the Regents of the University of California and Institute of Experimental Physics task 2: Switch development.

Final report task order number B239641 between the Regents of the University of California and Institute of Experimental Physics task 2: Switch development.

Investigations of carbide electrodes in high-current pseudospark switches

Plasma Switches

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