Y.H. LI, S.S. CHOI, S. RAJAKARUNA, "An Analysis of the Control and Operation of a Solid Oxide Fuel-Cell Power Plant in an Isolated System", IEEE TRANSACTIONS ON ENERGY CONVERSION, VOL. 20, NO. 2, JUNE 2005, pp. xxx.
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Titre : Y.H. LI, S.S. CHOI, S. RAJAKARUNA, An Analysis of the Control and Operation of a Solid Oxide Fuel-Cell Power Plant in an Isolated System, IEEE TRANSACTIONS ON ENERGY CONVERSION, VOL. 20, NO. 2, JUNE 2005, pp. xxx.

Cité dans :[THESE133] B. BIDOGGIA, Etude et réalisation de nouveaux convertisseurs connectant plusieurs sources d'énergies renouvelables au réseau, These de doctorat, septembre 2005 - aout 2008.
Auteur : Y. H. Li
Auteur : S. S. Choi
Auteur : S. Rajakaruna

Volume : 20
Numéro : 2
Date : JUNE 2005
Pages : 381
Lien : private/01432852.pdf - 7 pages, 388 Ko.

Abstract :
The concept of a feasible operating area for a solid
oxide fuel-cell power plant is introduced by establishing the relationship
between the stack terminal voltage, fuel utilization, and
stack current. The analysis shows that both the terminal voltage
and the utilization factor cannot be kept constant simultaneously
when the stack current changes. This leads to the two possible control
strategies as constant utilization control and constant voltage
control. By controlling the input hydrogen fuel in proportion to
the stack current, constant utilization control can be accomplished.
By incorporating an additional external voltage-control loop, stack
terminal voltage can be maintained constant. The detailed design
of the control schemes is described. The effectiveness of the proposed
schemes is illustrated through simulation. Using the numerical
results, the maximum value of load power change that the plant
can handle safely is predicted.

Index Terms : Distributed generation, fuel cell, load tracking.

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