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In this paper, a non-isolated current fed boost dc-dc converter with coupled inductors is proposed. This converter achieves a high voltage gain ratio with zero-ripple input current. An active snubber circuit is employed to reduce the voltage spike of main switch generated by leakage inductance and realize zero voltage switching at turn-on. The circuit configuration, operation principle and design...
This paper presents the analysis and design of a non-isolated, current-fed buck-boost DC-DC converter. The converter is capable of performing both buck and boost operations with zero-ripple input current. An active-clamp circuit is used to recycle the energy stored in the leakage inductance, which minimizes the voltage stress of main switch and provides zero-voltage switching at turn-on. The circuit...
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