High power high frequency soft switching converter using serial connected switches
Résumé
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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EP2 98 high power HT soft switching converter.pdf (477.33 Ko)
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