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JEES.,   Volume(1) - Issue(2), 2015
pp 1-14,   http://dx.doi.org/10.18831/djeee.org/2015021001

Design of Full Bridge Buck Converter with a Fly back Snubber for High Power Applications

T Rama Rajeswari;C Subramanian, R Manivannan


This article deals with the design of a full bridge buck converter along with fly back snubber for high power applications. A fly back snubber is a combination of a diode, a capacitor and a fly back converter. A fly back snubber circuit is used to clamp the voltage spike originating from the current difference between the leakage inductance and current-fed inductor of the isolation transformer. The fly back snubber reduces the current passing at the current-fed side associated with the active switches. The full bridge buck converter along with a fly back snubber has been simulated using MATLAB software and is checked for feasibility with the simulated results of the conventional circuit without a fly back snubber.              


Fly back converter, Isolated full-bridge bidirectional converter, Soft start-up, Clamping Capacitor, RCD Snubber, Transformer Winding.

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