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Novel self-excited PWM converters with zero-voltage-switched resonant transition using a saturable core

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2 Author(s)
W. -J. Gu ; Dept. of Electron., Kyushu Univ., Fukuoka, Japan ; K. Harada

A new family of self-excited pulse-width-modulated (PWM) converters with zero-voltage-switched (ZVS) resonant transition is proposed. A saturable core is used in the transformer to realize the ZVS resonant transition during turn-on and turn-off transition. The waveforms of the voltage across and current the switch the flowing in the switch are quasi-square-wave The converters have the advantages of both PWM and resonant mode converters

Published in:

Applied Power Electronics Conference and Exposition, 1992. APEC '92. Conference Proceedings 1992., Seventh Annual

Date of Conference:

23-27 Feb 1992