Input-voltage feedforward (IVFF) circuit minimizing current stress of voltage-doubler rectified asymmetrical half-bridge (VDRAHB) converter

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A new input-voltage feedforward (IVFF) circuit for a voltage-doubler rectified asymmetrical half-bridge (VDRAHB) converter is proposed in this letter. The proposed circuit regulates output voltage not by reducing duty ratio but by increasing switching frequency as input voltage increases. Therefore, by employing the proposed IVFF circuit into the VDRAHB converter, the peak currents of the overall components can be greatly reduced, and also, efficiency can be improved at high input voltages.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2008-05
Language
English
Article Type
Article
Citation

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, v.55, pp.2222 - 2224

ISSN
0278-0046
DOI
10.1109/TIE.2007.896553
URI
http://hdl.handle.net/10203/90486
Appears in Collection
EE-Journal Papers(저널논문)
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