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A 10-GW pulsed power supply for HPM sources
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2006 (English)In: IEEE TRANS PLASMA SCI, 2006, Vol. 34, no 5, 1814-1821 p.Conference paper, Published paper (Refereed)
Abstract [en]

A research activity involving the detailed consideration of novel high-voltage transformers for pulsed-power applications has recently begun at Loughborough University. Although the main goal is the demonstration of a compact and lightweight unit employing magnetic insulation under vacuum conditions, the initial stage of the work is directed toward the development of a conventional air-cored transformer as a main component in a compact power supply for high power microwave sources. In cooperation with the Swedish Defence Research Agency (FOI), the power supply has been tested with a microwave source of the vircator type. The power generator for the system uses a 70-kJ/25-kV capacitor bank and an exploding wire array to generate a 150-kV voltage pulse in the primary circuit of a transformer. A pressurized SF6 spark gap in the secondary circuit sharpens the high-voltage output so that pulses approaching 500 kV and with a rise time well below 100 ns are generated on a 20-Omega high-power resistors With the peak power in excess of 10 GW. Experimental results are presented from final testing of the system, where a reflex triode vircator replaces the 20-Omega resistor. Measurements of the microwave emission using free-field sensors are presented, and comments are made with the microwave emission from the same vircator when powered by a Marx generator at FOI.

Place, publisher, year, edition, pages
2006. Vol. 34, no 5, 1814-1821 p.
Series
IEEE transactions on plasma science, ISSN 0093-3813
Keyword [en]
compact pulsed-power systems, high-power microwaves (HPMs), high-voltage transformers (HVTs), opening switches (OSs)
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering Fusion, Plasma and Space Physics
Identifiers
URN: urn:nbn:se:kth:diva-33183DOI: 10.1109/TPS.2006.876533ISI: 000241439700030OAI: oai:DiVA.org:kth-33183DiVA: diva2:413796
Conference
15th IEEE International Pulsed Power Conference Monterey, CA, 2005
Note
QC 20110429Available from: 2011-04-29 Created: 2011-04-29 Last updated: 2011-05-02Bibliographically approved
In thesis
1. Gigawatt pulsed power technologies and applications
Open this publication in new window or tab >>Gigawatt pulsed power technologies and applications
2011 (English)Doctoral thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2011. x, 85 p.
Series
Trita-EE, ISSN 1653-5146 ; 2011:034
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
urn:nbn:se:kth:diva-33034 (URN)978-91-7415-962-2 (ISBN)
Public defence
2011-05-20, sal F3, Lindstedtsvägen 26, KTH, Stockholm, 10:00 (English)
Opponent
Supervisors
Note
QC 20110502Available from: 2011-05-02 Created: 2011-04-27 Last updated: 2011-05-02Bibliographically approved

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Appelgren, PatrikElfsberg, MattiasHurtig, TomasMöller, Cecilia
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