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SOFC Energy Distributed Isolated Systems
Abstract
This paper focuses on the control of isolated fuel cell. The energy provided by the fuel cell is sent to the AC mains by means of a two-stage conversion system, composing of a DC-DC boost converter and a DC-AC inverter. The whole system is controlled through a two-level structure: the upper layer establishes the global scope, i.e., the desired operating regime, which is effectively implemented by the lower control layer, i.e., lower level control structure, the two power electronics converters. Thus, the operating regime of the fuel cell is imposed by controlling the DC-DC converter, whereas the inverter is in charge with ensuring the power transfer to the grid. The result of the simulation of isolated fuel cell system using MATLAB/ Simulink numerical simulations are presented and discussed in order to prove the effectiveness of the approach.
Keywords
Fuel Cell, Inverter Grid Connected Fuel Cell System, MATLAB, Power Conditioning System (PCS).
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