Power Management Unit With Its Control for a Three-Phase Fuel Cell Power System Without Large Electrolytic Capacitors

被引：55

作者：

Li, Xiao ^{[1
]}

Zhang, Wenping ^{[1
]}

Li, Haijin ^{[1
]}

Xie, Ren ^{[1
]}

Chen, Min ^{[1
]}

Shen, Guoqiao ^{[1
]}

Xu, Dehong ^{[1
]}

机构：

[1] Zhejiang Univ, Inst Power Elect, Coll Elect Engn, Hangzhou 310027, Zhejiang, Peoples R China

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2011年 / 26卷 / 12期

基金：

中国国家自然科学基金;

关键词：

Dynamic power compensation; fuel cell (FC) power system; low-frequency ripple reduction; power management unit (PMU); ENERGY-MANAGEMENT; CONVERTER; DESIGN;

D O I：

10.1109/TPEL.2011.2162533

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper investigates a three-phase four-wire fuel cell power system. The system is sensitive to the load characteristic in a stand-alone mode, because variation or unbalance of the three-phase load will affect the safety and lifespan of the fuel cell. A novel power management unit (PMU) with its control strategy is proposed. The PMU can compensate fuel cell slow dynamics. In addition, the PMU acts as dc bus capacitors to deal with the low-frequency current ripple. Therefore, the large dc bus electrolytic capacitors can be eliminated in the fuel cell power system. The control strategy of the PMU is derived and the whole system is verified by the experimental results.

引用

页码：3766 / 3777

页数：12

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