3 March 1995 Novel nanosecond semiconductor opening switch for megavolt repetitive pulsed power technology: experiment and applications
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Abstract
A novel nanosecond semiconductor opening switch (SOS) has been developed which has a pulsed power of the GW range and voltage levels of up to a few 100's of kV. The SOS is based on high-voltage solid state rectifiers and is designed for pulsed power generators with inductive energy storage. A 30 ns opening phase duration, a 45 kA interrupted current, and a 450 kV opened SOS voltage have been attained with the use of a three-stage, 2 kJ, 150 kV open circuit Marx generator as the SOS driver. On the basis of the experimental results obtained, we have developed and tested repetitive high-current generators and accelerators with a 0.5 MV output voltage and a 15 to 100 ns pulse width. The ideology is presented of constructing high-power megavolt pulsed generators with an all-solid- state switching system. A description is provided of the setups developed on this principle. We discuss features peculiar to the setups developed and prospects of developing these further.
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Yu. A. Kotov, Gennady A. Mesyats, S. N. Rukin, Alexander V. Filatov, S. K. Lyubutin, "Novel nanosecond semiconductor opening switch for megavolt repetitive pulsed power technology: experiment and applications", Proc. SPIE 2374, Novel Applications of Lasers and Pulsed Power, (3 March 1995); doi: 10.1117/12.204997; https://doi.org/10.1117/12.204997
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