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High power high frequency soft switching converter using serial connected switches

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Abstract

This paper presents a chopper topology suitable for high voltage, with a switch made of serial connected power devices. Serial connection of power components encounters two major problems in hard switching : voltage unbalance and overcurrents at turn on due to parasitic capacitances to ground. The proposed topology takes advantage of soft switching to reduce both problems by a suitable utilisation of inductors and capacitors. A converter tested at 9kV input voltage is also presented.
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Dates and versions

cea-03293910 , version 1 (21-07-2021)

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  • HAL Id : cea-03293910 , version 1

Cite

N. Lapassat, D. Chatroux, D Lafore, J. F. Villard. High power high frequency soft switching converter using serial connected switches. EP2 98, Oct 1998, Grenoble, France. ⟨cea-03293910⟩

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