Non-Isolated High Step-up DC-DC Converter with a Coupled Inductor

Hyun Lark Do

doi:10.4028/www.scientific.net/AMR.424-425.1024

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 424-425Non-Isolated High Step-up DC-DC Converter with a...

Non-Isolated High Step-up DC-DC Converter with a Coupled Inductor

Abstract:

A non-isolated high step-up DC-DC converter with a coupled inductor is proposed in this paper. The proposed converter provides high voltage gain and soft-switching operation of all semiconductor devices. A voltage doubler and a coupled inductor increase the voltage gain. Zero-voltage-switching (ZVS) of all switches and zero-current-switching (ZCS) of all diodes are achieved. Also, the voltages across the semiconductor devices are effectively clamped. Due to the soft-switching operation of all switching devices, the switching loss is significantly reduced and the high efficiency is obtained. The feasibility and performance of the proposed converter were verified on an experimental prototype

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Periodical:

Advanced Materials Research (Volumes 424-425)

Pages:

1024-1027

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.424-425.1024

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Online since:

January 2012

Authors:

Hyun Lark Do

Keywords:

Dc-Dc Converter, Full-Bridge Converter, Zero Voltage Switching (ZVS), Zero-Current-Switching

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