NISCAIR Online Periodicals Repository

NISCAIR ONLINE PERIODICALS REPOSITORY (NOPR)  >
NISCAIR PUBLICATIONS >
Research Journals >
Indian Journal of Pure & Applied Physics (IJPAP) >
IJPAP Vol.49 [2011] >
IJPAP Vol.49(01) [January 2011] >


Title: Development of 2.4 ns rise time, 300 kV, ~500 MW compact co-axial Marx generator
Authors: Prabaharan, T
Shyam, A
Shukla, R
Banerjee, P
Sharma, S
Deb, P
Verma, R
Kumar, R
Das, R
Das, B
Adhikary, B
Keywords: Fast Marx generator
Coaxial Marx generator
Impulse voltage generator
Pulsed power
Issue Date: Jan-2011
Publisher: NISCAIR-CSIR, India
Abstract: Compact Marx generators are known for delivering high power in very short duration and do not require any separate pulse shaping components. The design and operation of 10 stage co-axial Marx generator with fast rise time of 2.4 ns, maximum voltage 300 kV, pulse width 20 ns, energy 4.2 J and impedance 71 has been presented. The Marx generator is capable of delivering the peak power of ~500 MW with 100 load. The coaxial geometry is used throughout the system to achieve high value of capacitance and low value of inductance leading to low impedance and also uses single point triggering for erection. The generator is presented with consideration of internal inductance and stray capacitance. The strontium titanate1 (SrTiO3) capacitors are used in this experiment due to very low derating capacitance at rated voltage, high dielectric strength and high current capacity. This set-up is pressurized by dry nitrogen air for the charging of Marx to −30 kV. The erected series current is measured by using non-inductive 10 mW current viewing resistor. This compact Marx is fitted into a stainless steel (metallic) cylinder (102 mm diam, 730 mm total length). The present Marx generator has been operated for the charging of voltage up to –30 kV. The Marx generator is tested at different charging voltages with 50 and 100 ceramic resistive loads. The measured voltage waveforms and the corresponding data have been given. The output parameter of Marx generator is checked by simulation and experiment. The modeling, design and experimental results of coaxial Marx generator are discussed.
Page(s): 64-72
CC License:  CC Attribution-Noncommercial-No Derivative Works 2.5 India
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.49(01) [January 2011]

Files in This Item:

File Description SizeFormat
IJPAP 49(1) 64-72.pdf677.16 kBAdobe PDFView/Open
 Current Page Visits: 720 
Recommend this item

 

National Knowledge Resources Consortium |  NISCAIR Website |  Contact us |  Feedback

Disclaimer: NISCAIR assumes no responsibility for the statements and opinions advanced by contributors. The editorial staff in its work of examining papers received for publication is helped, in an honorary capacity, by many distinguished engineers and scientists.

CC License Except where otherwise noted, the Articles on this site are licensed under Creative Commons License: CC Attribution-Noncommercial-No Derivative Works 2.5 India

Copyright © 2012 The Council of Scientific and Industrial Research, New Delhi. All rights reserved.

Powered by DSpace Copyright © 2002-2007 MIT and Hewlett-Packard | Compliant to OAI-PMH V 2.0

Home Page Total Visits: 587017 since 06-Feb-2009  Last updated on 18-Sep-2014Webmaster: nopr@niscair.res.in