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A Repetitive Solid State Marx-Type Pulsed Power Generator Using Multistage Switch-Capacitor Cells

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4 Author(s)
Sakamoto, T. ; Grad. Sch. of Sci. & Technol. (Global-COE), Kumamoto Univ., Kumamoto, Japan ; Nami, A. ; Akiyama, M. ; Akiyama, H.

This paper reports on the novel development of a fully solid state Marx-type circuit to achieve output voltage pulses with adjustable voltage levels, pulse width, and frequency using a series connection of half-bridge or full-bridge switch-capacitor cells (SCC). Modularity of the circuit allows independent control of each SCC, resulting in more freedom to control the pulsed power parameters. A 3-kW laboratory prototype of the proposed generator topology was implemented using 1700-V insulated gate bipolar transistors (IGBTs) and a 1-kV power supply. The SCC unit circuit board is stacked to increase the maximum output voltage. The control unit for the output pulse parameters was performed using an field-programmable gate array unit.

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Plasma Science, IEEE Transactions on  (Volume:40 ,  Issue: 10 )