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The steady states and dynamics of a fuel cell system are influenced by both operating conditions and the frequency characteristics of electrochemical reactions in a cell. A dynamic model of a practical fuel cell system, based on an analytical theory and empirical data, is proposed. The model consists of three parts, such as an open circuit voltage model including fuel flow and reaction in channels,...
Various power system structures are simulated and analyzed in order to improve the power and energy performance of the Fuel Cell Hybrid Electric Vehicle (FCHEV) using a supercapacitor. In this paper, an optimization of the existing Type E structure, hereafter called buck-boost Type E, and its control strategy are proposed to control the power system of the FCHEV and to operate the fuel cell in the...
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