Power Management for Fuel-Cell Power System Cold Start

被引:54
|
作者
Jin, Ke [1 ]
Ruan, Xinbo [2 ]
Yang, Mengxiong [1 ]
Xu, Min [1 ]
机构
[1] Nanjing Univ Aeronaut & Astronaut, Aeropower Sci Tech Ctr, Nanjing 210016, Peoples R China
[2] Huazhong Univ Sci & Technol, Coll Elect & Elect Engn, Wuhan 1037, Peoples R China
基金
中国国家自然科学基金;
关键词
Battery; bidirectional converter (BDC); fuel cell; power management; unidirectional converter (UDC); CONVERTER SYSTEM;
D O I
10.1109/TPEL.2009.2020559
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
Fuel cells are difficult to cold start. This letter proposes a power management control strategy for cold-starting fuel-cell systems. The operation principles of the system's cold start are analyzed in detail. A battery powers the load through a bidirectional converter at the beginning of the cold-start state. After the fuel cell finishes its self-start, the fuel cell slips in and the battery slips out of the system, and the fuel cell powers the load independently. The appropriate soft-start control strategies for bidirectional and unidirectional converters are proposed in this letter. A 1-kW fuel-cell power system is built in the laboratory, and experimental results are shown to verify the theoretical analysis.
引用
收藏
页码:2391 / 2395
页数:5
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