Insulation recovery switch for Tesla-type generator of nitrogen spark gap

zhou jinshan; fan yajun; zhu sitao; wang junjie

Volume 23 Issue 11

Sep. 2012

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zhou jinshan, fan yajun, zhu sitao, et al. Insulation recovery switch for Tesla-type generator of nitrogen spark gap[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

zhou jinshan, fan yajun, zhu sitao, et al. Insulation recovery switch for Tesla-type generator of nitrogen spark gap[J]. High Power Laser and Particle Beams, 2011, 23.

zhou jinshan, fan yajun, zhu sitao, et al. Insulation recovery switch for Tesla-type generator of nitrogen spark gap[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

zhou jinshan, fan yajun, zhu sitao, et al. Insulation recovery switch for Tesla-type generator of nitrogen spark gap[J]. High Power Laser and Particle Beams, 2011, 23.

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Insulation recovery switch for Tesla-type generator of nitrogen spark gap

1.
Northwest Institute of Nuclear Technology,P.O.Box 69-13,Xi ’an 710024,China

Publish Date: 2011-11-29

Abstract

Abstract

Taking a Tesla transformer as a pulsed power source, the insulation recovery characteristics of a 4 mm-gap length, 4 MPa-pressure N2 switch are researched with two-pulse method. The material of the switch is copper and the shape is circular. The results indicate that, the switch is almost conducting within about 0.3 ms after the end of discharge, which belongs to the deionization stage; then the insulation recovery factor rises up exponentially until the switch recovers completely at about 3 ms, which belongs to the gas temperature recovering stage. The Tesla transformer makes the sectional characteristic of the insulation recovery curve of the high-voltage N2 spark switch more obvious. The reason may be that the resistance of the spark channels is paralleled with the secondary capacitance
- spark gap switch,
- self-breakdown,
- repetition rate,
- insulation recovery,
- two-pulse circuit,
- tesla transformer

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