Design and analysis of ripple current reduction in fuel cell generating systems

2015 International Conference on Power and Advanced Control Engineering (ICPACE) Pub Date : 2015-09-24 DOI:10.1109/ICPACE.2015.7274943

M. Naik, P. Samuel

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引用次数: 4

Abstract

Fuel cells are being increasingly used in wide range of applications for stand-alone and grid connected systems due to their high efficiency and low emissions. A power conditioning unit, consisting of DC-DC converter and an inverter, is invariably used as an interface between the fuel cell and the load in a typical fuel cell system for ac applications because of unregulated nature of fuel cell voltage. In this research, a comparative analysis of different input ripple reduction methods, input current ripples, the output voltage ripples, and the size of passive components with high efficiency compared with the other topologies is done. The different dc/dc converter topologies is compared such as conventional Boost Converter (BC), Multi Device Boost Converter (MDBC), and Two-Phase Interleaved Boost Converter (IBC), Multi Device Interleaved Boost Converter(MDIBC) to verify its dynamic performance. The DC-DC converter topologies are designed and investigated by using MATLAB/Simulink. The simulation and experimental results have signified that interleaved converter topology is more efficient than other dc-dc converter topologies in achieving high performance and reliability for high-power dc-dc converters.

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减少燃料电池发电系统纹波电流的设计与分析

燃料电池由于其高效率和低排放的特点，在单机和并网系统中得到越来越广泛的应用。由于燃料电池电压的不稳定特性，在典型的交流应用燃料电池系统中，燃料电池与负载之间总是使用由DC-DC变换器和逆变器组成的功率调节单元作为接口。在本研究中，比较分析了不同的输入纹波抑制方法、输入电流纹波、输出电压纹波以及高效无源元件的尺寸与其他拓扑结构的比较。比较了传统升压变换器(BC)、多器件升压变换器(MDBC)和两相交错升压变换器(IBC)、多器件交错升压变换器(MDIBC)等不同的dc/dc变换器拓扑结构，验证了其动态性能。利用MATLAB/Simulink对DC-DC变换器的拓扑结构进行了设计和研究。仿真和实验结果表明，交错变换器拓扑结构在实现大功率dc-dc变换器的高性能和可靠性方面比其他dc-dc变换器拓扑结构更有效。

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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2015 International Conference on Power and Advanced Control Engineering (ICPACE)

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