Design and Simulations of Solid Oxide Fuel Cell connected to 3-phase electrical power system
Keywords:
Battery Storage System, Boost-Inverter, Fuel Cell, SOFC, Distributed Generator, DC-DC converterAbstract
The integration of the fuel cell system is to provide the continuous power supply to the load as per the demand. In this paper, design and modeling of Solid Oxide Fuel cell (SOFC) is discussed for the distributed generation applications. Modeling and simulations are carried out in MATLAB Simulink platform. Solid oxide fuel cells operate at temperatures near l0000C these are highly efficient combined heat and electric power. Modeling of SOFC is done by using by using Nernst equation. In that the output power of the fuel cell can be controlled by controlling the flow rate of the fuels used in the process. The power generation from the fuel cell system is an electrochemical reaction between hydrogen and oxygen with the bi-product of water vapour molecule. But the output power from the solar system is very low for this numbers of cell are connected in series. This paper proposes a concept of boost inverter topology for converting fuel dc supply to a three phase supply. The main advantage of the proposed boost inverter method include ability to deliver the operations of both boosting and inversion of the power in only one stage, compactness, and economical. The output voltage from the fuel cell is a voltage controlled method and output from the battery is a current controlled method. Analysis and Simulation are taken from a 1kW prototype.
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