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首页> 外文期刊>Power Electronics, IET >High step-up DC–DC converter with input current ripple cancellation
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High step-up DC–DC converter with input current ripple cancellation

机译：具有输入电流纹波消除功能的高升压DC-DC转换器

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摘要

In this study, a new high step-up dc-dc converter is proposed. The proposed converter has two switches that operate in two operational modes. In the first case, both switches are turned on simultaneously, where the voltage gain would be similar to cascaded boost converter but the input current ripple will not be removed. Thus, the high voltage conversion ratio can be achieved with a suitable duty-cycle. In this case, the performance of the converter has been investigated in two continuous and discontinuous conduction modes. In the second case, two switches operate inversely. In this case, in addition to having high voltage conversion ratio, the input current ripple is removed by a pre-selected duty cycle. The results of the steady-state operation of the converter are studied in both discontinuous conduction mode and continuous conduction mode. Finally, a 100 W prototype of the proposed converter has been implemented in the laboratory for evaluating its performance.
机译：在这项研究中，提出了一种新型的高升压DC-DC转换器。所提出的转换器具有以两种操作模式操作的两个开关。在第一种情况下，两个开关同时打开，其电压增益与级联升压转换器相似，但输入电流纹波不会消除。因此，可以以合适的占空比来实现高电压转换率。在这种情况下，已经在两种连续和不连续导通模式下研究了转换器的性能。在第二种情况下，两个开关反向操作。在这种情况下，除了具有高的电压转换率外，输入电流纹波还可以通过预先选择的占空比消除。在不连续导通模式和连续导通模式下都研究了转换器稳态工作的结果。最终，已在实验室中实施了建议的转换器的100 W原型，以评估其性能。

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