Integrated modeling and control of a PEM fuel cell power system with a PWM DC/DC converter

被引：34

作者：

Choe, Song-Yul ^{[1
]}

Lee, Jung-Gi

Ahn, Jong-Woo

Baek, Soo-Hyun

机构：

[1] Auburn Univ, Dept Mech Engn, Auburn, AL 36848 USA

[2] Pohang Univ Sci & Technol, Dept Elect Engn, Pohang, South Korea

[3] Dongguk Univ, Dept Elect Engn, Seoul, South Korea

来源：

JOURNAL OF POWER SOURCES | 2007年 / 164卷 / 02期

关键词：

PEMFC; DC/DC PWM converter; air; coolant and power flow control;

D O I：

10.1016/j.jpowsour.2006.10.082

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A fuel cell powered system is regarded as a high current and low voltage source. To boost the output voltage of a fuel cell, a DC/DC converter is employed. Since these two systems show different dynamics, they need to be coordinated to meet the demand of a load. This paper proposes models for the two systems with associated controls, which take into account a PEM fuel cell stack with air supply and thermal systems, and a PWM DC[DC converter. The integrated simulation facilitates optimization of the power control strategy, and analyses of interrelated effects between the electric load and the temperature of cell components. In addition, the results show that the proposed power control can coordinate the two sources with improved dynamics and efficiency at a given dynamic load. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：614 / 623

页数：10

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