High-voltage pulsed generators for electro-discharge technologies

B. M. Kovalchuk, A. V. Kharlov, E. V. Kumpyak, V. A. Sinebrykhov

    Research output: Contribution to journalArticle

    4 Citations (Scopus)

    Abstract

    A high-voltage pulse technology is one of effective techniques for the disintegration and milling of rocks, separation of ores and synthesized materials, recycling of building and elastoplastic materials. We present here the design and test results of two portable HV pulsed generators, designed for materials fragmentation, though some other technological applications are possible as well. Generator #1 consists of low voltage block, high voltage transformer, high voltage capacitive storage block, two electrode gas switch, fragmentation chamber and control system block. Technical characteristics of the #1 generator: stored energy in HV capacitors can be varied from 50 to 1000 J, output voltage up to 300 kV, voltage rise time ∼ 50 ns, typical operation regime 1000 pulses bursts with a repetitive rate up to 10 Hz. Generator #2 is made on an eight stages Marx scheme with two capacitors (100 kV-400 nF) per stage, connected in parallel. Two electrode spark gap switches, operated in atmospheric air, are used in the Marx generator. Parameters of the generator: stored energy in capacitors 2÷8 kJ, amplitude of the output voltage 200÷400 kV, voltage rise time on a load 50÷100 ns, repetitive rate up to 0.5 Hz. The fragmentation process can be controlled within a wide range of parameters for both generators.

    Original languageEnglish
    Article numberP09012
    JournalJournal of Instrumentation
    Volume8
    Issue number9
    DOIs
    Publication statusPublished - 1 Sep 2013

    Fingerprint

    high voltages
    generators
    Voltage
    Generator
    Electric potential
    Capacitor
    Fragmentation
    capacitors
    fragmentation
    electric potential
    Capacitors
    Electrode
    Switch
    switches
    Switches
    spark gaps
    electrodes
    Low Voltage
    Recycling
    output

    Keywords

    • Plasma generation (laser-produced, RF, x ray-produced)
    • Pulsed power

    ASJC Scopus subject areas

    • Instrumentation
    • Mathematical Physics

    Cite this

    Kovalchuk, B. M., Kharlov, A. V., Kumpyak, E. V., & Sinebrykhov, V. A. (2013). High-voltage pulsed generators for electro-discharge technologies. Journal of Instrumentation, 8(9), [P09012]. https://doi.org/10.1088/1748-0221/8/09/P09012

    High-voltage pulsed generators for electro-discharge technologies. / Kovalchuk, B. M.; Kharlov, A. V.; Kumpyak, E. V.; Sinebrykhov, V. A.

    In: Journal of Instrumentation, Vol. 8, No. 9, P09012, 01.09.2013.

    Research output: Contribution to journalArticle

    Kovalchuk, BM, Kharlov, AV, Kumpyak, EV & Sinebrykhov, VA 2013, 'High-voltage pulsed generators for electro-discharge technologies', Journal of Instrumentation, vol. 8, no. 9, P09012. https://doi.org/10.1088/1748-0221/8/09/P09012
    Kovalchuk, B. M. ; Kharlov, A. V. ; Kumpyak, E. V. ; Sinebrykhov, V. A. / High-voltage pulsed generators for electro-discharge technologies. In: Journal of Instrumentation. 2013 ; Vol. 8, No. 9.
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