An efficient, repetitive nanosecond pulsed power generator with ten synchronized spark gap switches

Z. Liu, A.J.M. Pemen, R.T.W.J. Hoppe, van, G.J.J. Winands, E.J.M. Heesch, van, K. Yan

Research output: Contribution to journalArticleAcademicpeer-review

19 Citations (Scopus)
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Abstract

This paper describes an efficient, repetitive nanosecond pulsed power generator using a Transmission-Line-Transformer (TLT) based multiple-switch technology. Within this setup, a 10-stage TLT and ten high-pressure spark-gap switches are adopted. At the input side, ten spark-gap switches are interconnected in series via the TLT, so that all the spark-gap switches can be synchronized automatically. At the output side, all the stages of the TLT are connected in parallel, thus a low output impedance (5 ¿) is obtained, and a large output current is realized by adding the currents through all the switches. Experimental results show that 10 spark-gap switches can be synchronized within about 10 ns. The system has been successfully demonstrated at repetition rates up to 300 pps (Pulses Per Second). Pulses with a rise-time of about 11 ns, a pulse width of about 55 ns, an energy of 9-24 J per pulse, a peak power of 300-810 MW, a peak voltage of 40-77 kV, and a peak current of 6-11 kA have been achieved with an energy conversion efficiency of 93-98%
Original languageEnglish
Pages (from-to)918-925
Number of pages8
JournalIEEE Transactions on Dielectrics and Electrical Insulation
Volume16
Issue number4
DOIs
Publication statusPublished - 2009

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