IEEE Transactions on Industrial Electronics, Issue Date: Jan. 2012,
Volume: 59 Issue:1, page(s): 599 - 610
High-Step-Up and
High-Efficiency Fuel-Cell Power-Generation System With Active-Clamp
Flyback–Forward Converter
Wuhua
Li; Lingli Fan; Yi Zhao; Xiangning He; Dewei Xu; Bin Wu;
Coll. of Electr. Eng., Zhejiang Univ., Hangzhou, China
Abstract
Presents a high-efficiency fuel-cell
power-generation system with an active-clamp flyback-forward converter to boost
a 12-V dc voltage into a 220-V 50-Hz ac voltage. The proposed system includes a
high-efficiency high-step-up interleaved soft-switching flyback-forward
converter and a full-bridge inverter.
High-efficiency
and high-power-density conversion can be achieved in a wide input-voltage range
by employing the proposed system. A
500-W prototype and another 1-kW converter are implemented and tested to verify
the effectiveness of the proposed system.
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