Family of Zero-Current Transition PWM Converters
Adib, E.; Farzanehfard, H.
Industrial Electronics, IEEE Transactions on
Volume 55, Issue 8, Aug. 2008 Page(s):3055 - 3063
Digital Object Identifier   10.1109/TIE.2008.922597
Summary:In this paper, a new auxiliary circuit is introduced for applying to buck, buck-boost, zeta, forward, and flyback converters. This auxiliary circuit provides a zero-current switching condition for all switching elements. The proposed zero-current transition (ZCT) pulsewidth-modulated buck converter is briefly described. Also, a ZCT flyback converter is analyzed, and its different operating modes are presented. Design considerations are explained, and a design example along with the experimental results of the ZCT flyback converter is presented.

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