Dynamic modelling and control of planar anode-supported solid oxide fuel cell

被引：90

作者：

Chaisantikulwat, A. ^{[1
]}

Diaz-Goano, C. ^{[1
]}

Meadows, E. S. ^{[1
]}

机构：

[1] Univ Alberta, Dept Chem & Mat Engn, Edmonton, AB T6G 2G6, Canada

来源：

COMPUTERS & CHEMICAL ENGINEERING | 2008年 / 32卷 / 10期

关键词：

solid oxide fuel cello; dynamic modelling; simulation; load change; control;

D O I：

10.1016/j.compchemeng.2007.12.003

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

Most solid oxide fuel cell (SOFC) modelling efforts emphasize steady-state cell operation. However, understanding the dynamic behaviour is essential to predict the performance and limitations of SOFC power systems. This article presents the development of a SOFC dynamic model and a feedback control scheme that can maintain output voltage despite load changes. Dynamic responses are determined as the solutions of Coupled partial differential equations derived from conservation laws of charges, mass, momentum and energy. To obtain the performance curve. the dynamic model is subjected to varying load current for different fuel specifications. From such a model, the voltage responses to step changes in the fuel concentration and load current are determined. Low-order dynamic models that are sufficient for feedback control design are derived from the step responses. The development of the partial differential equation model is Outlined and the limitations of the control system are discussed. (c) 2008 Elsevier Ltd. All rights reserved.

引用

页码：2365 / 2381

页数：17

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