低功率PEMFC系统的高效级联正变换器

2006 CES/IEEE 5th International Power Electronics and Motion Control Conference Pub Date : 2006-08-01 DOI:10.1109/IPEMC.2006.297128

Jiann-Fuh Chen, Wei-Shih Liu, R. Lin, T. Liang, Ching-Hsiung Liu

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引用次数: 6

摘要

本文提出了一种不同于传统级联电路的级联编码拓扑结构。提出了一种高效级联正激变换器，具有高电压增益、低漏阻抗和与传统变换器相同的控制方法。在燃料电池系统中，可以利用级联电路补偿极化损耗的特性来获得稳定的输出电压。介绍了其工作原理和稳态分析。最后给出了480 W系统输出、20 V-38 V燃料电池直流输入和48 V直流输出的仿真结果。结果表明，该变换器的效率接近96%

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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High-Efficiency Cascode Forward Converter of Low Power PEMFC System

This paper presents a topology of cascode scheme that is different from traditional cascade circuit. A high-efficiency cascode forward converter is proposed, with high voltage gain, low leakage impedance and same control method as conventional converter. In fuel cell system can use the characteristic that compensate the polarization loss of cascode circuit to achieve a steady output voltage. The operational principle and steady-state analysis are described. Finally, a simulation result with a 480 W system output, 20 V-38 V fuel cell DC input and 48 V DC output is presented to demonstrate the performance. It shows that the efficiency of the proposed converter is nearly 96%

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2006 CES/IEEE 5th International Power Electronics and Motion Control Conference

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