DC link voltage optimized control for efficient residential fuel cell converter

被引：14
|
作者：
Wang, Yong [1 ]
Cai, Xu [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Elect Informat & Elect Engn, Shanghai 200240, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS | 2010年 / 32卷 / 09期
关键词：
Fuel cell; Converter; Efficiency; DC link;
D O I：
10.1016/j.ijepes.2010.02.001
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：
The stack of a residential fuel cell power generation system has low voltage and high current output characteristics. Therefore, a high step up DC-DC converter with high frequency transformer isolation is necessary to elevate the voltage to the DC link as inverter input. This paper deeply investigates the relationship between the DC link voltage and the converter efficiency. The calculation and simulation results reveal that the lower the DC link voltage is, the higher the converter efficiency is. Based on this conclusion, a DC link voltage optimized control scheme is proposed to improve the converter efficiency, further the power conditioning system efficiency. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1031 / 1036
页数：6
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