Hybrid systems for distributed power generation based on pressurisation and heat recovering of an existing 100 kW molten carbonate fuel cell
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Abstract In this paper, different pressurisation and heat recovering techniques for an existing 100 kW molten carbonate fuel cell developed by Ansaldo fuel cells (formerly Ansaldo Ricerche) such as electrically driven compressors for anode (fuel) and cathode side (air), turbocharger, simple cycle gas turbine and regenerated gas turbine are analysed and discussed. The analysis has been carried out using for the FCS–MCFC stack simulation a model developed by the Thermochemical Power Group of the University of Genoa carefully tested with available experimental design point data. The design point hybrid system configurations have been analysed in detail using the code HS-MCFC based on the cited MCFC stack model and developed using Simulink language [Master Thesis, University of Genoa, 2001]. The different hybrid systems design point performance are presented and discussed in great detail, taking into account efficiency, specific power, costs, feasibility, and the need of modification of the existing FC–MCFC systems. Due to the size of the hybrid systems investigated (100–150 kW) they are very interesting for distributed power generation applications.
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