A new high-efficiency interleaved step-up converter with zero-voltage switching, zero-current switching, and common-ground features for stand-alone electric vehicle charging stations,International Journal of Circuit Theory and Applications

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A new high-efficiency interleaved step-up converter with zero-voltage switching, zero-current switching, and common-ground features for stand-alone electric vehicle charging stations
International Journal of Circuit Theory and Applications ( IF 1.8 ) Pub Date : 2021-02-26 , DOI: 10.1002/cta.2979
Alireza Lahooti Eshkevari ₁ , Hossein Ghaffarpour Sadighi ₁ , Ahmad Salemnia ₁ , Ali Mosallanejad ₁

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A new step-up dc–dc converter with the interleaved operation is proposed. This converter is equipped with a novel active clamp circuit that provides zero-voltage switching (ZVS) operation for power switches and zero-current switching (ZCS) for diodes. High-efficiency, interleaved structure, common-ground, and continuous input current are other features of this topology. Also, the presented topology provides higher boost factors due to using coupled inductors. Therefore, this topology is useful for connecting to renewable energy resources like photovoltaic panels and fuel cells. Due to its soft-switching operation and high efficiency, this converter can be designed for high-power applications. As a result, this converter can be utilized in stand-alone electric vehicle charging stations. Simulation and experimental results are presented to evaluate this topology. For this purpose, a 48-V/380-V/500-W prototype has been built. Results confirm the above claims.

中文翻译：

一种新型高效交错式升压转换器，具有零电压开关、零电流开关和用于独立电动汽车充电站的共地功能

提出了一种具有交错操作的新型升压 dc-dc 转换器。该转换器配备了新颖的有源钳位电路，可为电源开关提供零电压开关 (ZVS) 操作和为二极管提供零电流开关 (ZCS) 操作。高效率、交错结构、共地和连续输入电流是这种拓扑结构的其他特点。此外，由于使用耦合电感器，所呈现的拓扑提供了更高的升压因子。因此，此拓扑结构可用于连接到可再生能源，例如光伏板和燃料电池。由于其软开关操作和高效率，该转换器可设计用于高功率应用。因此，该转换器可用于独立的电动汽车充电站。仿真和实验结果用于评估这种拓扑结构。为此，我们构建了 48-V/380-V/500-W 原型。结果证实了上述说法。

更新日期：2021-02-26

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