A Novel Current-Fed Boost Converter With Ripple Reduction for High-Voltage Conversion Applications

Employing a new rectifier circuit, i.e., a novel current-fed boost converter with ripple reduction, is proposed in this paper. It features high conversion ratio with smaller transformer turn ratio, recovery of transformer secondary leakage energy, low voltage stress on the rectifier diodes, and lowe...

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Bibliographic Details
Published in:IEEE transactions on industrial electronics (1982) 2010-06, Vol.57 (6), p.2018-2023
Main Authors: Leu, Ching-Shan, Li, Ming-Hui
Format: Article
Language:English
Subjects:
Boost
Capacitors
Circuit testing
Circuit topology
Conversion
Converters
current-fed
Density
Diodes
Electric circuits
low current ripple
Low voltage
Personal communication networks
Rectifiers
Reduction
Ripples
Snubbers
Stress
Transformers
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Summary:Employing a new rectifier circuit, i.e., a novel current-fed boost converter with ripple reduction, is proposed in this paper. It features high conversion ratio with smaller transformer turn ratio, recovery of transformer secondary leakage energy, low voltage stress on the rectifier diodes, and lower input- and output-current ripples with minimum component count. Therefore, high efficiency and power density can be achieved under high-frequency operation. Moreover, the new rectifier circuit can be applied to all current-fed power topologies for high-voltage conversion applications, such as fuel-cell-powered systems. The operating principle, theoretical analysis, and design considerations are presented. To demonstrate its feasibility, a 150-kHz, 16-22-V-input, and 200-V/400-W-output converter is implemented and tested.
ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2010.2044114