Topic
Marx generator
About: Marx generator is a research topic. Over the lifetime, 1276 publications have been published within this topic receiving 8970 citations.
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26 May 2002
TL;DR: In this paper, a pulsed compact electron source with plasma cathode is considered and the experimental data for forming of cathode plasma: time and energy characteristics are discussed, and a comparison of forming cathode plasmas for carbon fibers and carbon nanotubes is presented with computer simulation.
Abstract: Summary form only given, as follows. The pulsed compact electron source with plasma cathode is considered in the report. The source consists of high voltage pulsed Marx generator and vacuum diode with plasma cathode on the basis of explosive electron emission. The plasma emitter on the basis of vacuum discharge forming on the surface of the nanotubes of cathode is used in this electron source. The electron source has next main parameters: accelerating voltage 100-150 kV, beam current 5-200 A, pulse duration 100-400 nsec. The experimental data for forming of cathode plasma: time and energy characteristics are discussed. The comparison of forming cathode plasma for carbon fibers and carbon nanotubes is experimental results with computer simulation is presented. The given. The physical model for explanation of forming stable cathode plasma is suggested.
2 citations
29 Jul 2003
TL;DR: In this article, a flash x-ray generator with two-stage Marx generator and a krytron pulse generator was constructed and its characteristics were verified in the presence of tungsten rod and graphite disk plate, respectively.
Abstract: Aiming to realization of compact flash x-ray facilities, flash x-ray generator with two-stage Marx generator and a krytron pulse generator was constructed and its characteristics were verified in present study. Target and cathode of the x-ray tube was tungsten rod and graphite disk plate, respectively. Two-stage Marx generator applied high voltage to the target and discharge between electrodes produced plasma and x-ray. Experiments revealed the relationship between tube voltage, tube current and applied voltage to x-ray tube. Effect of distance from target to cathode was also made clear. Measurement of radiation output with plastic scintillator indicated the shorter pulse duration than 100 ns and the effect on application of present experimental configuration to high-speed photography. Radiographs were taken with computed radiography (CR) system. The photographs displayed enough resolution to perform fine photography and existence of soft x-ray for wide purposes. Present study implies application of present simple x-ray system to realization of compact and general-purpose x-ray generator.
2 citations
01 Nov 2008
TL;DR: In this paper, a pulse power system (1 MV, 5 0kA, and 100 ns) based on dual polarity charged Marx generator and Blumlein pulse forming line (PFL) was built to generate high power microwaves.
Abstract: A pulse power system (1 MV, 5 0kA, and 100 ns) based on dual polarity charged Marx generator and Blumlein pulse forming line (PFL) was built to generate high power microwaves. This paper describes the inherent prepulse present with the Blumlein configuration and the mitigation strategies adopted. Further, a qualitative attempt to verify the generation of high power microwave output on the system is presented.
2 citations
Journal Article•
TL;DR: The principle and the parameters of the high voltage pulse generator which has been used in the "Spring-thunder" bounded-wave EMP simulator are described in this paper, and the measured and calculated waveform are also presented.
Abstract: The principle and the parameters of the high voltage pulse generator which has been used in the "Spring-thunder" bounded-wave EMP simulator are described in this paper. The measured and calculated waveform are also presented. A double-exponential waveform with about 10us risetime, and 300us pulsewidth can be produced by this pulse generator.
2 citations
Patent•
24 Jun 2015
TL;DR: In this paper, a full solid state Marx generator based on full-control switches and self-breakthrough switches comprises a plurality of cascaded full control switch levels and further comprises at least one self breakthrough switch level keeping the cascaded relation with the last cascaded switch level.
Abstract: A full solid state Marx generator based on full-control switches and self-breakthrough switches comprises a plurality of cascaded full-control switch levels and further comprises at least one self-breakthrough switch level keeping the cascaded relation with the last cascaded full-control switch level. The self-breakthrough switch levels are different from the full-control switch levels, the full-control switches are replaced by the self-breakthrough switches, and the self-breakthrough switches can automatically break through and conduct when voltage drops on the switches are lower than the threshold values. The full solid state Marx generator further comprises load output levels keeping the cascaded relation with the self-breakthrough switch levels. The load output levels are different from the self-breakthrough switch levels, separating components are avoided, and loaders are connected between the self-breakthrough switches and the negative input end of an energy storing device. The full solid state Marx generator based on full-control switches and self-breakthrough switches solves the problem that the time sequence of the full-control switches is difficult to control and overcomes the defect that the device volume is reduced. In addition, the output efficiency and the reliability of the Marx generator are improved.
2 citations