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High-voltage pulsed-power cable generator
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity.
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2009 (English)In: IEEE Transactions on Plasma Science, ISSN 0093-3813, E-ISSN 1939-9375, Vol. 37, no 1, 236-242 p.Article in journal (Refereed) Published
Abstract [en]

A cable-based 25-GW pulsed-power generator with output impedance of 2 is presented. It is designed to deliver a 200-ns-long 500-kV pulse into a 10 load. The primary energy storage of the generator consists of a 50-kV 20-kJ capacitor bank. The 50-kV capacitor bank is discharged into a 1 : 12 transformer. The transformer is designed to charge a pulse-forming line (PFL) to 600 kV. When charged, the PFL is discharged into a load via a spark gap. The spark gap is located in a coaxial system containing deionized water together with the cable endings of the PFL and transformer. The electric field at the cable endings is refractively graded by the high permittivity of the surrounding water. The primary and secondary windings consist of high-voltage cables that are interleaved and wound together. The PFL consists of eight 40-m-long 110-kV coaxial cables with both ends connected to the load. Each cable screen is grounded in the middle and connected in parallel. The cables have a characteristic impedance of 30 . The parallel cable setup gives the PFL an impedance of 2 . The total length, height, and width of the pulse generator are 4, 2, and 1.2 m, respectively.

Place, publisher, year, edition, pages
USA: IEEE , 2009. Vol. 37, no 1, 236-242 p.
Keyword [en]
Cross-linked polyethylene (XLPE) cable, pulse-forming line (PFL), pulsed power, spark discharge, transformer
National Category
Engineering and Technology
URN: urn:nbn:se:uu:diva-113148DOI: 10.1109/TPS.2008.2007118ISI: 000262327400034ISBN: 0093-3813OAI: oai:DiVA.org:uu-113148DiVA: diva2:289908

10370760 high-voltage pulsed-power cable generator energy storage capacitor bank power transformer pulse-forming line charge spark gap coaxial cables power 25 GW voltage 500 kV voltage 50 kV voltage 600 kV voltage 110 kV time 200 ns size 40 m energy 20 kJ

Available from: 2010-01-25 Created: 2010-01-25 Last updated: 2016-04-14Bibliographically approved

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