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Analysis and Implementation of a Novel Bidirectional DC–DC Converter

version 1.0 (109 KB) by

indranil saaki

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A novel bidirectional dc–dc converter is presented in this project. The circuit configuration of the proposed converter is
very simple. The proposed converter employs a coupled inductor with same winding turns in the primary and secondary sides. In step-up mode, the primary and secondary windings of the coupled inductor are operated in parallel charge and series discharge to achieve high step-up voltage gain. In step-downmode, the primary and secondary windings of the coupled inductor are operated in series charge and parallel discharge to achieve high step-down voltage gain. Thus, the proposed converter has higher step-up and step-down voltage gains than the conventional bidirectional dc–dc boost/buck converter. Under same electric specifications for the proposed converter and the conventional bidirectional boost/buck converter, the average value of the switch current in the proposed
converter is less than the conventional bidirectional boost/buck converter. The operating principle and steady-state analysis are discussed in detail. Finally, a 14/42-V prototype circuit is implemented to verify the performance for the automobile dual-battery system.

Comments and Ratings (9)

Lu Z

Lu Z (view profile)

too messy!!

Karthik S

PLZ HELP!!Unable to simulate showing error as The following block(s) do not have resolved block library links:
'buckdf_converntional/Mosfet3/Mosfet'
'buckdf_converntional/Voltage Measurement1/VoltageMeasurement'
'buckdf_converntional/Voltage Measurement2/VoltageMeasurement'
Physical Modeling blocks cannot have broken or inactive library links. Please restore library links for all Physical Modeling blocks.

Omar Azeem

sir, thanks for sharing, can u please help me in calculations regarding capacitors and inductors used for bidirectional buck boost converter..
please reply here or share on this id terasaki2009@gmail.com

lolo koko

lolo koko

thanks a lot

Eric Chan

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