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Recovery of the dielectric strength of a pseudospark switch in a regime of high pulse repetition rate

: Korolev, Y.D.; Frants, O.B.; Geyman, V.G.; Landl, N.V.; Shemyakin, I.A.; Frank, K.; Bischoff, R.; Pankert, J.; Bergmann, K.


Kirkici, H. ; IEEE Dielectrics and Electrical Insulation Society; IEEE Electron Devices Society:
26th International Power Modulator Symposium and High-Voltage Workshop 2004. Proceedings : San Francisco, California, 2004
Piscataway, NJ: IEEE Operations Center, 2004
ISBN: 0-7803-8586-1
International Power Modulator Symposium <26, 2004, San Francisco/Calif.>
High-Voltage Workshop <2004, San Francisco/Calif.>
Conference Paper
Fraunhofer IPT ()

Increasing the pulse repetition rate of any type of gas discharge switching device (pseudospark switch including) is limited by the rate of plasma de-ionization in a pause between the pulses. If residual plasma from a proceeding pulse remains in the gap to the instant when a succeeding pulse arrives to the electrodes, then the breakdown voltage for the switch decreases. Different methods for suppressing this effect are used in practice. One of them is the forced removal of the products of the preceding breakdown from the gap at the instant when the succeeding pulse arrives. This method is investigated in the present paper.