...Valentina Zaccaria; Zachary Branum; David Tucker The use of high temperature fuel cells, such as solid oxide fuel cells (SOFCs), for power generation is considered a very efficient and clean solution for conservation of energy resources. When the SOFC is coupled with a gas turbine, the global...

...Jarosław Milewski; Piotr Biczel; Mariusz Kłos The control system of molten carbonate fuel cell (MCFC) coupled with a gas turbine (GT) should be based on the multilayer structure (two- or three-layers), wherein the third layer is connected with the power output from the system and can be considered...

... of controlled and manipulated variables. The present study investigates the uncontrolled, dynamic behavior of an SOFC stack that is intended for use in a hybrid SOFC-gas turbine (GT) system. A numerical fuel cell model is developed based on charge, species mass, energy, and momentum balances, and an equivalent...

... (HyPer) project in which a solid oxide fuel cell (SOFC) one-dimensional (1D), real-time operating model is coupled to a gas turbine hardware system by utilizing hardware-in-the-loop simulation. To assess the long-term stability of the SOFC part of the system, electrochemical degradation due to operating...

... are gathered from the compressor and turbine characteristic curve, as well as the data in the surge line. GT variation operation database is built in order to find the corresponding operating point, and to determine if the surge margin is greater than surge requirement. Fig. 2 Compressor characteristic...

... of a direct fired solid oxide fuel cell gas turbine (SOFC/GT) hybrid power system can be improved by effective management and control of the cathode airflow. The disturbances of the cathode airflow were accomplished by diverting air around the fuel cell system through the manipulation of a hot-air bypass...

... drop analysis for a direct-fired fuel cell turbine hybrid power system was evaluated using a hardware-based simulation of an integrated gasifier/fuel cell/turbine hybrid cycle, implemented through the hybrid performance (Hyper) project at the National Energy Technology Laboratory, U.S. Department...

...; published online September 3, 2014. Editor: Nigel M. Sammes. 29 04 2014 29 05 2014 Transient impacts on the performance of solid oxide fuel cell/gas turbine (SOFC/GT) hybrid systems were investigated using hardware-in-the-loop simulations (HiLSs) at a test facility located at the U.S...

... in a Coal-Based SOFC Turbine Hybrid Through Numerical Simulation ,” ASME J. Fuel Cell Sci. Technol. , 9 ( 4 ), p. 041004 . 10.1115/1.4006044 [8] Haynes , C. , and Wepfer , W. J. , 2000 , “ Design for Power of a Commercial Grade Tubular Solid Oxide Fuel Cell ,” Energy Convers. Manage...

...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...

... parameters, such as the turbine rotational speed, the temperatures within the fuel cell, the differential pressure between the anodic and the cathodic side, and the steam-to-carbon ratio, need to be monitored and kept within safe limits. On the other hand, the system response to load variations is required...