Non-Isolated Bidirectional DC-DC Converter with Step up-down Capability Based on Energy Materials

Hyun Lark Do

doi:10.4028/www.scientific.net/AMR.459.44

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 459Non-Isolated Bidirectional DC-DC Converter with...

Non-Isolated Bidirectional DC-DC Converter with Step up-down Capability Based on Energy Materials

Abstract:

A non-isolated bidirectional DC-DC cconverter with step up-down capability is proposed in this paper. The proposed converter operates with a fixed switching frequency and has a step up-down capability regardless of the direction of power flow. Voltage stresses of the power switches are lower than those in the conventional buck-boost converter. Moreover, only a single magnetic component is required in the proposed converter. An asymmetrical pulse width modulation (APWM) control shceme is utilized. The operation principle and steady-state analysis of the proposed converter are provided. A prototype of the proposed converter is developed, and its experimental results are presented for validation

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Periodical:

Advanced Materials Research (Volume 459)

Pages:

44-46

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.459.44

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Online since:

January 2012

Authors:

Hyun Lark Do

Keywords:

Bidirectional Converter, Buck-Boost Converter, Step Up/Down Capability

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References

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