Article Information

Influences of magnetic inductance, leakage inductance and saturable inductance on an active clamp forward converter
Jian Tian; Reimann, T.; Scherf, M.; Li, D.; Deboy, G.; Maerz, M.; Petzoldt, J.
Power Electronics and Applications, 2007 European Conference on
Volume , Issue , 2-5 Sept. 2007 Page(s):1 - 8
Digital Object Identifier   10.1109/EPE.2007.4417262
Summary:In this paper, the influences of the magnetic inductance, leakage inductance and saturable inductor on the behaviour of the active clamp forward are analyzed, and their mathematic solutions are given. Based on the analysis, the other topology variant is proposed, which can be used to reduce the oscillation across the freewheeling switch and improve the ZVS condition of the auxiliary switch in primary side. This leads to improve the EMI behaviour and efficiency because the low voltage rectifier switches could be used. To verify these analyse, some experimental results are presented.

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