新型住宅燃料电池电厂动力调节系统

2012 3rd IEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG) Pub Date : 2012-06-25 DOI:10.1109/PEDG.2012.6254060

T. Jalakas, I. Roasto, D. Vinnikov, H. Agabus

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引用次数: 6

摘要

本文介绍了一种新型的住宅燃料电池电厂功率调节系统，该系统由升压DC/DC变换器和单相或多相逆变器组成。为了提高整个系统的效率，可以使用准z源逆变器以及升压隔离变压器和倍压整流器。由于输入电流连续，电流纹波小，大大提高了燃料电池的使用寿命。进一步减少燃料电池的输出电流纹波是通过实现交错转换器设计与移位开关和有源纹波消除。交错转换器的设计也使在操作细胞计数的变化，以提高电力调节系统的整体效率。

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Novel power conditioning system for residential fuel cell power plants

This paper describes a novel power conditioning system for residential fuel cell power plants, consisting of a step-up DC/DC converter and a single or a multiphase inverter. To increase the efficiency of the whole system a quasi Z-source inverter along with a step-up isolation transformer and a voltage doubler rectifier can be used. Due the continuous input current and low current ripple, the service life of a fuel cell is significantly increased. Further reduction in the output current ripple of a fuel cell is achieved by implementing an interleaved converter design with shifted switching and active ripple cancellation. Interleaved converter design also enables variations in the operating cell count to increase the overall efficiency of a power conditioning system.

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2012 3rd IEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG)

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