Development of a 300-kV Marx generator and its application to drive a relativistic electron beam

Choyal, Y.; Gupta, Lovely; Vyas, P.; Deshpande, P. P.; Chaturvedi, Anamika; Mittal, K. C.; Maheshwari, K. P.

doi:10.1007/bf02716708

Cited by 5 publications

(4 citation statements)

References 2 publications

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“…The high voltage capacitors of the Marx generator are charged in parallel and discharged in series resulting in voltage multiplication [12,13]. The present Marx generator can deliver an output voltage pulse, which has a maximum voltage rating of 300 kV on matched load, energy 180 J and pulse duration 150 ns for 30 kV DC charging [14]. There are 20 Marx stages assembled by stacking one over the other in the vertical towering shape.…”

Section: Methodsmentioning

confidence: 99%

Development of a 2 MW relativistic backward wave oscillator

et al. 2008

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In this paper, a high power relativistic backward wave oscillator (BWO) experiment is reported. A 230 keV, 2 kA, 150 ns relativistic electron beam is generated using a Marx generator. The beam is then injected into a hollow rippled wall metallic cylindrical tube that forms a slow wave structure. The beam is guided using an axial pulsed magnetic field having a peak value 1 T and duration 1 ms. The field is generated by the discharge of a capacitor bank into a solenoidal coil. A synchronization circuit ensures the generation of the electron beam at the instant when the axial magnetic field attains its peak value. The beam interacts with the SWS modes and generates microwaves due to Cherenkov interaction. Estimated power of 2 MW in TM01 mode is observed.

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Section: Methodsmentioning

confidence: 99%

Development of a 2 MW relativistic backward wave oscillator

et al. 2008

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“…This voltage pulse was applied to a relativistic electron beam planar diode. For a cathode-anode gap of 7.5 mm, it has been obtained an REB had shot 160 kV voltage and duration of 150 ns [10].…”

Section:  mentioning

confidence: 99%

Prototype Design and Analysis of Miniature Puls e Discharge Current Generator on Various Burdens

Waluyo¹,

Syahrial²,

Nugraha³

et al. 2016

ijeei

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High voltage impulse is one of the means used in a variety of insulating materials testing. It causes also discharge, generally as visualization of lightning strikes. This research aimed to design a prototype of miniature current discharge pulse generation with various burdens. The alternating low voltage was rectified first and multiplied by using the modified Cockroft-Walton voltage multiplier. The yielded output voltage was a d.c. high voltage, which subsequently entered the pulse generator circuit, penetrating the sphere gap, after filling the charge on the first capacitor and then fill in the second capacitor. The shape of the output pulse current was tapped by using a resistive voltage divider. Thus, the various pulse current waveforms could be measured and recorded by a storage digital oscilloscope. Almost first discharge were occurred in around from 1 s to 2 s. The waveforms with the pure resistive burdens would trend to be symmetrical to almost on positive parts. On the other hand, the waveforms with the resistive and capacitive dominated burdens would be shorter, i.e. around 16.8 s, than those resistive dominated burdens. The wave frequency response of discharge on the capacitive dominated burdens would more declivous or prevalent than those on the resistive dominated burdens. The latter characteristics were indicated by the specific capacitive dominated property. The capacitive property that store charge was expected as cause the latter characteristics. The dominated capacitive existence made the repetitive discharge would be shorter than those the dominated resistive existence.

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“…Sack et al [4] discussed the short life of conventional triggered spark gaps. A new trigger method has been developed and presented some preliminary experimental results by inclusion of triggering system for the existing Marx generator Choyal et al [5] designed & developed the first gap triggering mechanism for a 300kV Marx generator by means of pulse transformer, which produced a 6kV pulse and was applied between the first spark gap electrodes. The UV light is passed through all the gaps that caused pre-ionization of all remaining gaps, resulted in simultaneous sparking of all gaps.…”

Section: Introductionmentioning

confidence: 99%

Design and Development of a Compact Trip Pulse Generator

Palati¹,

Nagabhushana²,

Sharma³

2016

IJEEE

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Pulsed power engineering has found many applications of great importance in areas of defense, nuclear physics, civilian, industrial and medical etc. In all these applications Marx generators are the primary source of generation of pulsed voltage/current. For the erection of Marx generator, a proper triggering mechanism is implemented for the first spark gap electrode, which gives consistent breakdown for all the remaining spark gaps in the Marx column. This paper discusses the design and development of a simple, inexpensive and compact trip pulse generator. This triggering mechanism provides the control triggering to operate the Marx generator at definite time. The experimental results reveal that the output voltage of trip pulse generator is able to make air breakdown in the first electrode gap.

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Development of a 300-kV Marx generator and its application to drive a relativistic electron beam

Cited by 5 publications

References 2 publications

Development of a 2 MW relativistic backward wave oscillator

Development of a 2 MW relativistic backward wave oscillator

Prototype Design and Analysis of Miniature Puls e Discharge Current Generator on Various Burdens

Design and Development of a Compact Trip Pulse Generator

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