一种用于光伏应用的具有电压调节的开关电容DC-DC变换器

2015 9th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2015-11-01 DOI:10.1109/ELECO.2015.7394509

Naser Vosoughi Kurdkandi, Alireza E. Khosroshahi, S. Hosseini

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引用次数: 10

摘要

本文提出了一种具有输出电压调节潜力的新型直流-直流开关电容变换器。所提出的拓扑结构包括一个扩展的高压增益转换器和一个降压转换器。扩展型高压增益变换器以固定的转换增益运行，而降压型变换器被控制进行最大功率点跟踪，这是该结构的一个重要优点。该结构最重要的优点是输入电流近似连续，减少了电力电子开关的数量和成本。通过与其他类似结构的比较，说明了所提拓扑的优点。实验结果验证了该变换器的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A switched-capacitor DC-DC converter with voltage regulation for photovoltaic applications

In this paper, a new DC-DC switched-capacitor converter with the potential of output voltage regulation is presented for photovoltaic applications. The proposed topology consists of an extended high voltage gain converter along with a buck converter. The extended high voltage gain converter is operated with a fixed conversion gain whereas the buck converter is controlled to do the maximum power point tracking (MPPT) which is an important advantage of proposed structure. The most important benefits of the proposed structure are approximately continuous input current, reduction of the number of power electronic switches and costs. A comparison with other similar structures is given to show the merits of the proposed topology. The operation of proposed converter is verified using experimental results.

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2015 9th International Conference on Electrical and Electronics Engineering (ELECO)

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