IJMTES – A NON-ISOLATED BIDIRECTIONAL PWM ACTIVE CLAMPED DC-DC CONVERTER WITH SOFT SWITCHING

Journal Title : International Journal of Modern Trends in Engineering and Science

Paper Title : A NON-ISOLATED BIDIRECTIONAL PWM ACTIVE CLAMPED DC-DC CONVERTER WITH SOFT SWITCHING

Author’s Name : B Sajitha | T Tharankumarunnamed

Volume 04 Issue 04 2017

ISSN no :  2348-3121

Page no: 147-149

Abstract – Power electronic converter systems for applications such as telecom, automotive, and space can have dc voltage buses that are backed up with batteries or super-capacitors. These batteries or super-capacitors are connected to the buses with bidirectional dc–dc converters which allow them to discharged or charged, depending on the operating conditions. Bidirectional dc–dc converters may be isolated or Non-Isolated depending on the application. A new soft-switched bidirectional dc–dc converter will be proposed in this paper. The proposed converter can operate with soft switching, a continuous inductor current and the switch stresses of a conventional pulse-width modulation converter regardless of the direction of power flow. These features are due to a very simple auxiliary active clamp circuit that is operational regardless of the direction of power flow. In the paper, the operation of the converter will be discussed and its feasibility will be confirmed with the simulation.

Key Words – Power Electronics; converter; dc-dc converters; bidirectional; soft-switching; simulation

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