Methods for reducing the forward voltage drop in pseudospark switches

V. D. Bochkov, V. M. Dyagilev, V. G. Ushich, O. B. Frants, Yu D. Korolev, I. A. Shemyakin, V. G. Geyman, R. V. Ivashov, N. V. Landl, K. Frank, M. Iberler, J. Urban

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    The paper describes the methods, which can be used in the pseudospark switches to decrease the forward voltage drop in initial glow stages of the discharge burning. The main direction of reducing the discharge burning voltage is a use of a special design of the electrode system and a special design of the cathode cavity. In the switches TPI so-called high-emissivity cylinder is placed at the bottom of the cathode cavity. The basic component of the cylinder is the powder tungsten (90 per sent) to which aluminium oxide and caesium carbonate are added. Thus, this composite material contains caesium, which plays the principal part in decreasing the discharge burning voltage. Correspondingly, the decrease in the forward voltage drop allows the switches TPI to commute the anode voltage starting from 1 kV. In the switches TDI an idea of artificial initiation of the cathode spot is used. This can be achieved due to a special trigger circuit. Then the forward voltage drop is decreased to 200 - 300 V.

    Original languageEnglish
    Title of host publicationIEEE Conference Record of Power Modulator Symposium
    EditorsL. Gordon
    Pages479-482
    Number of pages4
    Publication statusPublished - 2002
    EventConference Record of the Twenty-Fifth International Power Modulator Symposium and 2002 High-Voltage Workshop - Hollywood, CA, United States
    Duration: 30 Jun 20023 Jul 2002

    Other

    OtherConference Record of the Twenty-Fifth International Power Modulator Symposium and 2002 High-Voltage Workshop
    CountryUnited States
    CityHollywood, CA
    Period30.6.023.7.02

    Fingerprint

    Switches
    Cathodes
    Cesium
    Electric potential
    Trigger circuits
    Tungsten
    Carbonates
    Anodes
    Aluminum
    Powders
    Electrodes
    Oxides
    Voltage drop
    Composite materials

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering

    Cite this

    Bochkov, V. D., Dyagilev, V. M., Ushich, V. G., Frants, O. B., Korolev, Y. D., Shemyakin, I. A., ... Urban, J. (2002). Methods for reducing the forward voltage drop in pseudospark switches. In L. Gordon (Ed.), IEEE Conference Record of Power Modulator Symposium (pp. 479-482)

    Methods for reducing the forward voltage drop in pseudospark switches. / Bochkov, V. D.; Dyagilev, V. M.; Ushich, V. G.; Frants, O. B.; Korolev, Yu D.; Shemyakin, I. A.; Geyman, V. G.; Ivashov, R. V.; Landl, N. V.; Frank, K.; Iberler, M.; Urban, J.

    IEEE Conference Record of Power Modulator Symposium. ed. / L. Gordon. 2002. p. 479-482.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Bochkov, VD, Dyagilev, VM, Ushich, VG, Frants, OB, Korolev, YD, Shemyakin, IA, Geyman, VG, Ivashov, RV, Landl, NV, Frank, K, Iberler, M & Urban, J 2002, Methods for reducing the forward voltage drop in pseudospark switches. in L Gordon (ed.), IEEE Conference Record of Power Modulator Symposium. pp. 479-482, Conference Record of the Twenty-Fifth International Power Modulator Symposium and 2002 High-Voltage Workshop, Hollywood, CA, United States, 30.6.02.
    Bochkov VD, Dyagilev VM, Ushich VG, Frants OB, Korolev YD, Shemyakin IA et al. Methods for reducing the forward voltage drop in pseudospark switches. In Gordon L, editor, IEEE Conference Record of Power Modulator Symposium. 2002. p. 479-482
    Bochkov, V. D. ; Dyagilev, V. M. ; Ushich, V. G. ; Frants, O. B. ; Korolev, Yu D. ; Shemyakin, I. A. ; Geyman, V. G. ; Ivashov, R. V. ; Landl, N. V. ; Frank, K. ; Iberler, M. ; Urban, J. / Methods for reducing the forward voltage drop in pseudospark switches. IEEE Conference Record of Power Modulator Symposium. editor / L. Gordon. 2002. pp. 479-482
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    abstract = "The paper describes the methods, which can be used in the pseudospark switches to decrease the forward voltage drop in initial glow stages of the discharge burning. The main direction of reducing the discharge burning voltage is a use of a special design of the electrode system and a special design of the cathode cavity. In the switches TPI so-called high-emissivity cylinder is placed at the bottom of the cathode cavity. The basic component of the cylinder is the powder tungsten (90 per sent) to which aluminium oxide and caesium carbonate are added. Thus, this composite material contains caesium, which plays the principal part in decreasing the discharge burning voltage. Correspondingly, the decrease in the forward voltage drop allows the switches TPI to commute the anode voltage starting from 1 kV. In the switches TDI an idea of artificial initiation of the cathode spot is used. This can be achieved due to a special trigger circuit. Then the forward voltage drop is decreased to 200 - 300 V.",
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    AU - Shemyakin, I. A.

    AU - Geyman, V. G.

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