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Home » Technical Physics » Year 2022, issue 6 » Article p. 732
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Solid discharger for the systems forming a current pulse in low-impedance loads of inductive storages of electromagnetic energy
Russian version
DOI: 10.21883/TP.2022.06.54420.241-21
Bazanov A.A.1, Shaidullin V.Sh. 1, Yerofeyev A.N. 1
1Federal State Unitary Enterprise "Russian Federal Nuclear Center - All-Russian Research Institute of Experimental Physics", Sarov, Nizhny Novgorod Region, Russia
Email: aab@elph.vniief.ru
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The paper considers the use of a solid discharger with a cathode localized enhancement of electric field working together with an opening switch of an inductive storage to form a quick-rising current pulse in a low-impedance load. The physical factors bringing to an increase in pulse sharpening efficiency are specified. The discharger geometry variant is proposed. The technique for a determination of its parameters depending on the experimental requirements and conditions is described. The paper presents the results of the experiments on a stationary facility demonstrating a possibility to generate the current pulses with a rise front ~100 ns in the inductive loads ~10 nH. The obtained results allow giving a recommendation to use this type of dischargers to form multi-megaampere current pulses with submicrosecond rise front (up to ~100 ns) for the inductive energy storages and, in particular, for the explosive magnetic (magnetocumulative) generators., in the circuits with low-impedance loads. Keywords: solid (condensed) dielectric, breakdown delay, overvoltage.
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