...R. J. Braun; S. Kameswaran; J. Yamanis; E. Sun This study examines the performance of a solid oxide fuel cell- (SOFC-) based integrated gasification power plant concept at the utility scale (>100 MW). The primary system concept evaluated was a pressurized ∼150 MW SOFC hybrid power system...

... have been oriented toward capturing CO 2 from IGCCs through the integration of solid oxide fuel cells (SOFCs) for coal-syngas oxidation, investigating the so-called integrated gasification fuel cell cycles (IGFC). However, molten carbonate fuel cells (MCFCs) can also be a promising technology in IGFCs...

...Jan Zanger; Axel Widenhorn; Manfred Aigner Pressure losses between the compressor outlet and the turbine inlet are a major issue of overall efficiency and system stability for a solid oxide fuel cell/micro gas turbine (MGT) hybrid power plant system. The goal of this work is the detailed analysis...

...Vincenzo Spallina; Matteo C. Romano; Stefano Campanari; Giovanni Lozza The application of solid oxide fuel cells (SOFC) in gasification-based power plants would represent a turning point in the power generation sector, allowing to considerably increase the electric efficiency of coal-fired power...

...Alex Tsai; David Tucker; Craig Groves This paper compares and demonstrates the efficacy of implementing two practical single input single output multiloop control schemes on the dynamic performance of selected signals of a solid oxide fuel cell gas turbine (SOFC-GT) hybrid simulation facility...

...A. D. Rao; G. S. Samuelsen 15 06 2007 25 09 2007 15 11 2010 15 11 2010 solid oxide fuel cells Table 1 should read as follows: Base cycle–exergy destruction data (without generator/inverter losses) Pressure ratio 6.5 8.8 15 Component...

.... The component models have been validated or are under verification. The model provides all the operating parameters in each characteristic point of the plant and a complete distribution of thermodynamics and chemical parameters inside the solid oxide fuel cell (SOFC) stack and reformer. In order to characterize...

...Michael J. Brear; Michael J. Dunkley The coupling of solid oxide fuel cells (SOFCs) and recuperated gas turbines (GTs) in a hybrid system has the potential to lead to efficiencies exceeding 60%. SOFC/GT hybrids have been proposed at power outputs from 20 MW down to power outputs as low as 25 kW...

...Brian Tarroja; Fabian Mueller; Jim Maclay; Jacob Brouwer A parametric study of a solid oxide fuel cell-gas turbine (SOFC-GT) hybrid system design is conducted with the intention of determining the thermodynamically based design space constrained by modern material and operating limits. The analysis...

...Eric Liese This paper examines the arrangement of a solid oxide fuel cell (SOFC) within a coal gasification cycle, this combination generally being called an integrated gasification fuel cell cycle. This work relies on a previous study performed by the National Energy Technology Laboratory (NETL...

... cycle, Brayton cycle with high temperature fuel cells (molten carbonate fuel cells or solid oxide fuel cells), and their combinations with the modified Brayton cycles. Most of these systems, with a few exceptions, have not yet become commercially available as more development work is required...

...Christian Wächter; Franz Joos The purpose of the current work is to analyze and also to verify the operating behavior of a solid oxide fuel cell/gas turbine (GT) hybrid system in order to derive necessary requirements for an appropriate control system. The studies are carried out with a control...

...A. Traverso; F. Trasino; L. Magistri; A. F. Massardo A dynamic solid oxide fuel cell (SOFC) model was integrated with other system components (i.e., reformer, anodic off-gas burner, anodic ejector) to build a system model that can simulate the time response of the anode side of an integrated 250 kW...

...Loredana Magistri; Michele Bozzolo; Olivier Tarnowski; Gerry Agnew; Aristide F. Massardo In this paper the design point definition of a pressurised hybrid system based on the Rolls-Royce Integrated Planar-Solid Oxide Fuel Cells (IP-SOFCs) is presented and discussed. The hybrid system size is about...

... plants solid oxide fuel cells Hybrid systems based on the coupling of high temperature fuel cells with micro gas turbines are considered promising energy systems for the future, especially for stationary applications. Common high temperature fuel cell technologies are two: MCFC ( 1 2 3...

... (by about 4 percentage points). The use of methanol with external fuel reforming raises efficiency of the stack thanks to the improved heat management and to the higher hydrogen partial pressure at the anode inlet. 01 10 2005 01 02 2006 hybrid power systems solid oxide fuel cells gas...

... relax generally faster than load decreases. 30 08 2005 06 09 2005 solid oxide fuel cells fuel cell power plants safety systems hybrid power systems gas turbine power stations power control SOFC hybrid system dynamic model part-load A large amount of modeling...

...Eric A. Liese; Randall S. Gemmen Solid Oxide Fuel Cell (SOFC) developers are presently considering both internal and external reforming fuel cell designs. Generally, the endothermic reforming reaction and excess air through the cathode provide the cooling needed to remove waste heat from the fuel...

...Hideyuki Uechi; Shinji Kimijima; Nobuhide Kasagi, Fellow ASME, Professor, Hybrid systems, which are based on a micro gas turbine (μGT) and a solid oxide fuel cell (SOFC), are expected to achieve much higher efficiency than traditional μGT’s. In this paper, the effects of cycle design parameters...

...Loredana Magistri; Riccardo Bozzo; Paola Costamagna; Aristide F. Massardo High-efficiency hybrid systems (HS) based on the coupling of solid oxide fuel cells (SOFCs) and gas turbines (GT) are analyzed in this paper through the use of two different approaches: simplified and detailed SOFC models...