...So-Ryeok Oh; Jing Sun; Herb Dobbs; Joel King This study investigates the performance and operating characteristics of 5kW-class solid oxide fuel cell and gas turbine (SOFC/GT) hybrid systems for two different configurations, namely single- and dual- spool gas turbines. Both single and dual spool...

... consideration consists of a 120 kW auxiliary power unit gas turbine coupled to a 300 kW SOFC hardware simulator. The hybrid simulator allows testing of a wide variety of fuel cell models under a hardware-in-the-loop configuration. Small changes in fuel cell cathode airflow have shown to have a large impact...

...Xiao-Juan Wu; Qi Huang; Xin-Jian Zhu; Chang-Hua Zhang Transients in a load have a significant impact on the performance and durability of a solid oxide fuel cell (SOFC) integrated into a micro gas turbine (MGT) hybrid power system. One of the main reasons is that the SOFC operating temperature...

...Matteo C. Romano; Stefano Campanari; Vincenzo Spallina; Giovanni Lozza This work discusses the thermodynamic analysis of integrated gasification fuel cell plants, where a simple cycle gas turbine works in a hybrid cycle with a pressurized intermediate temperature–solid oxide fuel cell (SOFC...

...James D. Maclay; Jacob Brouwer; G. Scott Samuelsen A dynamic model of a 100 MW solid oxide fuel cell-gas turbine hybrid system has been developed and subjected to perturbations in diurnal ambient temperature and pressure as well as load sheds. The dynamic system responses monitored were the fuel...

... potential of combining traditional internal combustion energy systems (i.e., gas turbine and internal combustion engine) with a molten carbonate fuel cell for medium- and low-scale electrical power productions with low CO 2 emissions. The coupling is performed by placing the fuel cell at the exhaust...

...Mario L. Ferrari; Matteo Pascenti; Loredana Magistri; Aristide F. Massardo The Thermochemical Power Group (TPG) of the University of Genoa designed and installed a complete hybrid system emulator test rig equipped with a 100 kW recuperated micro gas turbine, a modular cathodic vessel located...

... challenging FCS types to use for GHG reductions, the phosphoric acid fuel cell (PAFC) system. These PAFC systems are tested against a base case of a CHP combined cycle gas turbine (CCGT). Model results show that three competing goals (GHG emission reductions, cost savings to building owners, and FCS...

...P. Iora; S. Campanari; A. Salogni The paper presents a model for the off-design analysis of a hybrid plant based on a MCFC and a gas-turbine. The model is used to define a possible regulation strategy for the power plant, minimizing the performance decay at partial load and allowing investigation...

...Fabian Mueller; Brian Tarroja; James Maclay; Faryar Jabbari; Jacob Brouwer; Scott Samuelsen A 100 MW-class planar solid oxide fuel cell synchronous gas turbine hybrid system has been designed, modeled, and controlled. The system is built of 70 functional fuel cell modules, each containing 10 fuel...

...Christian Wächter; Reinhart Lunderstädt; Franz Joos The purpose of the current work is to develop an appropriate control system for a solid oxide fuel cell/gas turbine hybrid system. The main focus lies on the usage of linear control theory for the parameterization of the controller structure...

... gas turbine to a special modular volume designed for the experimental analysis of the interaction between different dimension fuel cell stacks and turbomachines. This new experimental approach that generates reliable results as a complete test rig also allows investigation of high risk situations...

...) hybrid system in comparison with other technologies. The study investigated three alternative options in order to meet the user’s demand: internal combustion engine, gas turbine, and a hybrid system (molten carbonate fuel cells and gas turbine, MCFC-HS), which is currently under development by Ansaldo...

...John VanOsdol; Eric Liese; David Tucker; Randall Gemmen; Robert James In recent years there has been significant interest in using the heat generated from the normal operation of a solid oxide fuel cell (SOFC) to supplant the normal combustion process of a gas turbine system. By doing this a gas...

...Vasilis Tsourapas; Jing Sun; Anna Stefanopoulou The goal of this work is to investigate the feasibility of a hybrid solid oxide fuel cell (SOFC) and gas turbine (GT) system for mobile power production. A system consisting of a gas turbine, a burner, and an SOFC is examined to gain fundamental...

... in aircraft applications. Conventional gas turbine auxiliary power units (APUs) account for 20% of airport ground-based emissions. Alleviating airport ground emissions will continue to be a challenge with increased air travel unless new technology is introduced. Mission fuel burn and emissions can...

..., charge transfer kinetics, and the electron flow inherent impedance should also be included. 12 12 2006 13 07 2007 09 09 2008 aircraft power systems fuel cell power plants gas turbines power distribution control power generation control power system stability solid oxide fuel...

... of the heat flux available from the fuel cell to feed an organic Rankine cycle. The second system is obtained by installing the fuel cell generator instead of the combustion chamber of a micro-gas-turbine. The fuel cell produces about 100 kW of electricity. The integrated systems allow to increase of about 30...

... density 3200 A ∕ m 2 Fuel inlet temperature 150 ° C Gas turbine Pressure ratio 2.9 Turbine inlet temperature 840 ° C Compressor adiabatic efficiency 78% Turbine adiabatic efficiency 82% Recuperator effectiveness 89% Geometry of tubular SOFC...

...) within gas turbine systems powered by natural gas (methane) requires an intermediate step of methane conversion to a mixture of hydrogen and carbon monoxide. State-of-the-art Ni-YSZ (yttria-stabilized zirconia) anodes permit methane conversion directly on anode surfaces, and contemporary designs of SOFC...