A 10-GW pulsed power supply for HPM sources
2006 (English)In: IEEE TRANS PLASMA SCI, 2006, Vol. 34, no 5, 1814-1821 p.Conference paper (Refereed)
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.
, IEEE transactions on plasma science, ISSN 0093-3813
compact pulsed-power systems, high-power microwaves (HPMs), high-voltage transformers (HVTs), opening switches (OSs)
Other Electrical Engineering, Electronic Engineering, Information Engineering Fusion, Plasma and Space Physics
IdentifiersURN: urn:nbn:se:kth:diva-33183DOI: 10.1109/TPS.2006.876533ISI: 000241439700030OAI: oai:DiVA.org:kth-33183DiVA: diva2:413796
15th IEEE International Pulsed Power Conference Monterey, CA, 2005
QC 201104292011-04-292011-04-292011-05-02Bibliographically approved