Pressurized Solid Oxide Fuel Cell/Gas Turbine Power System

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Description

Power systems based on the simplest direct integration of a pressurized solid oxide fuel cell (SOFC) generator and a gas turbine (GT) are capable of converting natural gas fuel energy to electric power with efficiencies of approximately 60% (net AC/LHV), and more complex SOFC and gas turbine arrangements can be devised for achieving even higher efficiencies. The results of a project are discussed that focused on the development of a conceptual design for a pressurized SOFC/GT power system that was intended to generate 20 MWe with at least 70% efficiency. The power system operates baseloaded in a distributed-generation application. To ... continued below

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Medium: P; Size: 154 pages

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Lundberg, W. L.; Israelson, G. A.; Moritz, R. R.; Veyo, S. E.; Holmes, R. A.; Zafred, P. R. et al. February 1, 2000.

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Description

Power systems based on the simplest direct integration of a pressurized solid oxide fuel cell (SOFC) generator and a gas turbine (GT) are capable of converting natural gas fuel energy to electric power with efficiencies of approximately 60% (net AC/LHV), and more complex SOFC and gas turbine arrangements can be devised for achieving even higher efficiencies. The results of a project are discussed that focused on the development of a conceptual design for a pressurized SOFC/GT power system that was intended to generate 20 MWe with at least 70% efficiency. The power system operates baseloaded in a distributed-generation application. To achieve high efficiency, the system integrates an intercooled, recuperated, reheated gas turbine with two SOFC generator stages--one operating at high pressure, and generating power, as well as providing all heat needed by the high-pressure turbine, while the second SOFC generator operates at a lower pressure, generates power, and provides all heat for the low-pressure reheat turbine. The system cycle is described, major system components are sized, the system installed-cost is estimated, and the physical arrangement of system components is discussed. Estimates of system power output, efficiency, and emissions at the design point are also presented, and the system cost of electricity estimate is developed.

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Medium: P; Size: 154 pages

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OSTI as DE00772401

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  • Other Information: PBD: 1 Feb 2000

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  • Report No.: DE--AC26-98FT40355--01
  • Grant Number: AC26-98FT40355
  • DOI: 10.2172/772401 | External Link
  • Office of Scientific & Technical Information Report Number: 772401
  • Archival Resource Key: ark:/67531/metadc722546

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • February 1, 2000

Added to The UNT Digital Library

  • Sept. 29, 2015, 5:31 a.m.

Description Last Updated

  • July 13, 2017, 10 a.m.

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Lundberg, W. L.; Israelson, G. A.; Moritz, R. R.; Veyo, S. E.; Holmes, R. A.; Zafred, P. R. et al. Pressurized Solid Oxide Fuel Cell/Gas Turbine Power System, report, February 1, 2000; Morgantown, West Virginia. (digital.library.unt.edu/ark:/67531/metadc722546/: accessed October 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.