Operating features of a high-voltage spark gap switch with gas blow normal to the breakdown path in a repetitively pulsed mode

N. M. Bykov, A. V. Gunin, S. D. Korovin, Yu D. Korolev

    Research output: Contribution to journalArticle

    6 Citations (Scopus)

    Abstract

    The results of studies of a high-voltage two-electrode spark gap switch (SGS) with forced gas blow at an operation voltage of up to 1.2 MV are presented. An SGS filled with nitrogen as the working gas at a pressure of up to 16 atm operated as the high-voltage switch of a high-current nanosecond electron accelerator. The gas flow was directed normally to the breakdown path. The SGS switched a 50-Ω forming line with an electrical length of 10 ns to a matched load. The voltage rise time across the electrodes before breakdown was ̃25μs. A stable repetitively pulsed mode is realized at operating voltages of 100-680 kV and pulse repetition rates of up to 270 Hz with a standard deviation of the pulse breakdown voltage of ≤1%. The physical mechanisms that determine unstable operation of the device during self-breakdown are analyzed.

    Original languageEnglish
    Pages (from-to)838-845
    Number of pages8
    JournalInstruments and Experimental Techniques
    Volume51
    Issue number6
    DOIs
    Publication statusPublished - 1 Nov 2008

    Fingerprint

    spark gaps
    Electric sparks
    high voltages
    switches
    breakdown
    Switches
    Electric potential
    Gases
    gases
    electric potential
    electron accelerators
    electrodes
    pulse repetition rate
    Pulse repetition rate
    electrical faults
    Electrodes
    gas flow
    high current
    standard deviation
    Electric breakdown

    ASJC Scopus subject areas

    • Instrumentation

    Cite this

    Operating features of a high-voltage spark gap switch with gas blow normal to the breakdown path in a repetitively pulsed mode. / Bykov, N. M.; Gunin, A. V.; Korovin, S. D.; Korolev, Yu D.

    In: Instruments and Experimental Techniques, Vol. 51, No. 6, 01.11.2008, p. 838-845.

    Research output: Contribution to journalArticle

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