Abstract
AbstractMost emerging applications of battery energy storage systems, fuel cells, and unified power supply (UPS) applications require essential bi‐directional power capability with a high conversion ratio. It supports the integration of the high‐voltage DC‐bus with an energy storage unit or fuel cell. In order to meet this requirement, this paper proposes a novel nonisolated high‐gain DC‐DC converter with bi‐directional power flow capability. This converter is configured with a hybrid structure with a combination of the switched capacitor (SC) and switched inductor (SI) techniques. Moreover, this converter can attain extreme voltage gain with less number of semiconductors and passive components. As a result, the converter cost gets reduced and achieves a wide range of voltage gain at a lesser duty ratio. Furthermore, steady‐state analysis and performance of the proposed topology and its characteristics were presented in this paper. Additionally, a detailed comparative analysis was presented with the most recent literature. Finally, a 500‐W experimental prototype has been fabricated to authorize the performance, feasibility, and analytical waveforms with experimental results.
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More From: International Journal of Circuit Theory and Applications
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