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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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Proceedings ArticleDOI
23 May 2010
TL;DR: In this paper, the authors describe the operation of a solid-state Marx type circuit to be used as a serial and parallel switch in pulsed power applications, which reduces the voltage stress on series stacks of semiconductors, distributing the voltage uniformly.
Abstract: This paper describes the operation of a solid-state Marx type circuit to be used as a serial and parallel switch in pulsed power applications. The proposed circuit, based on the Marx generator concept, reduces the voltage stress on series stacks of semiconductors, distributing the voltage uniformly. Experimental results from a 10 kV laboratory circuit, using 1200 V semiconductors in the solid-state Marx circuit, with ten stages, are reported and discussed, considering high and low duty cycle voltage pulse operation into a capacitive type load1.
Book ChapterDOI
01 Jan 2021
TL;DR: In this article, the bipolar Marx generator is modified by connecting an H-bridge circuit to the last stage, which can be used only for few kilovolts during erection.
Abstract: Bipolar Marx generator generates high voltage, repetitive pulse with both positive and negative half, which is being used for application like food processing industries, medical fields, agricultural and environmental. This paper deals with design, simulation, implementation and testing of the bipolar Marx generator. Simple monopolar Marx generator is modified by connecting an H-bridge circuit to the last stage. Ten-stage bipolar Marx generator topology with specification, output voltage 10 kV, 10% voltage droop, pulse repetitive frequency (PRF)—1 kHz and pulse width of 5 µs is designed and simulated using MATLAB (R2009a). The most suitable inductor and resistor required for charging are selected using transfer function modeling. A two-stage prototype is implemented to validate the design. Pulses for triggering the Marx switches and the H-bridge switches are developed using LPC2148 arm controller. Hardware circuit is tested with an input of 100 V and PRF of 110 Hz. During erection, the full voltage appears across the switches in the H-bridge. Hence, this can be used only for few kilovolts.
Patent
10 Apr 2020
TL;DR: In this paper, a parallel Marx generator topology capable of producing high power, high current output pulses is provided, which can include a plurality of Marx generators that operate in parallel to one another to jointly generate an output pulse.
Abstract: A parallel Marx generator topology capable of producing high power, high current output pulses is provided. The parallel Marx generator topology can include a plurality of Marx generators that operate in parallel to one another to jointly generate an output pulse. The topology can further include a pulse transformer configured to step up the voltage of the pulse created by the plurality of generators and also ensure that each Marx generator of the plurality of Marx generators is outputting substantially the same amount of current. The system can include a common interface that allows for fault detection and control of all the Marx generators using one common control panel. The parallel Marx generator topology can allow for a high voltage, high current pulse to be generated using import/export compliant switches.
Proceedings ArticleDOI
01 Jul 2004
TL;DR: In this article, the design and preliminary operation of a Marx style pulse generator using advanced dense plasma switches (Pseudospark) is presented, which can hold off 35 kV and pass up to 10 kA at repetition rates approaching 1 kHz.
Abstract: Summary form only given. The design and preliminary operation of a Marx style pulse generator using advanced dense plasma switches (Pseudospark) are presented. The bank consists of three 150 nF/40 kV capacitors connected with three floating plasma switches. These switches can hold off 35 kV and pass up to 10 kA at repetition rates approaching 1 kHz. The expected lifetime of >200 kC and the relatively low housekeeping power of <50 W make the dense plasma switch an excellent candidate in compact Marx generator applications. In the Marx bank application the important issues to be resolved are the stability and reproducibility of delay and jitter among all the switches and the practicality of a highly efficient, compact floating power supplied to each switch. These are interrelated issues, as the delay is a strong function of the trigger pulse shape and amplitude as well as of the exact gas pressure inside the switches. Thus, the main design and implementation problem lies in the floating housekeeping power units of each switch.

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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202322
202255
202132
202033
201951
201845