Combustion - Fluidized-Bed Combustion Repower
FBC Repowering Project Overview
This is the overview page for discussions of the projects in CHIPPS, PFBC, GFBCC, and APFBC repowering series. These projects detail how existing power plants can be improved using advanced combustion technologies.
Contents:
Use the hyperlinks on the right for
pages that provide access to descriptions of each project in greater detail.
Use the links below for less detailed summaries that describe the following projects:
Products
The present PFBC, GFBCC, and APFBC repowering efforts are described in a series of 14 volumes. The reference shelf provides a full listing of each. The reports in this series are as follows:
The discussions that follow summarize each evaluation in the series.
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Background in APFBC Repowering.
This report summarizes the issues involved when considering APFBC repowering projects, provides a summary of the PFBC and APFBC projects, describes the major components used to build APFBC power systems, and gives the development status of APFBC technology. This report was completed in September 2000.
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Briefing Sourcebook on APFBC Repowering.
This is a CD-ROM-based product intended for DOE internal use only. This product gives a wide range of pre-prepared PowerPoint briefing presentations on many issues associated with the various Combustion Technologies product lines. This product is under continual update as new information becomes available.
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Repowering Progress Energy's L.V. Sutton Station Unit 1 &Unit 2 with APFBC
This concept uses a single Siemens Westinghouse Power Corporation W501F gas turbine, modified for APFBC service, to repower Progress Energy's L.V. Sutton steam station, located near Wilmington, North Carolina. Two concepts were evaluated: repowering just the 106 MW output reheat Unit 2, and repowering both Unit 1 and non-reheat Unit 2.
When just Unit 2 is repowered, output is increased to 226 MW, energy efficiency increases from the existing level of 32% HHV to 42.4% with APFBC, at a cost of about $900/kW. The link above provides details on this project, completed in September 2000. The repowering concept uses a Foster Wheeler APFBC system, with Siemens Westinghouse Power Corporation high-temperature ceramic filters.
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Repowering Duke Power's Dan River Station Unit 3 with APFBC
This concept uses a single Siemens Westinghouse Power Corporation W501F gas turbine, modified for APFBC service, to repower Duke Power's Dan River steam station, located near Eden, NC. One concept was evaluated: repowering the 144 MW output reheat Unit 3.
Repowering with APFBC takes the output of Unit 3 from its present rating of 144 MW and brings it to 209 MW. The upgrade would increase energy efficiency from the existing level of 36.4% HHV to 43.2% with APFBC, and could be accomplished at a total capital cost of about $795/kW. The link above provides details on this project, completed in November 1998. The repowering concept uses a Foster Wheeler APFBC system, with Siemens Westinghouse Power Corporation high-temperature ceramic filters.
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Repowering AES Greenidge Unit 4 with APFBC
This project is complete. Two Rolls-Royce Trent industrial gas turbines provide APFBC repowering for Unit 4 at this site, located near Dresden, New York. The link above provides details on this project, completed in September 2000.
The repowering concept uses a Foster Wheeler APFBC system, with Siemens Westinghouse Power Corporation high-temperature ceramic filters.
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Repowering the Nebraska Public Power District's Sheldon Station
The APFBC portion of the project is complete. This uses a single GE PG7121EA gas turbine to APFBC-repower Unit 1. A second independent train APFBC-repowers Unit 2.
The link above provides details on the APFBC project, completed in September 2000. The APFBC repowering concept uses a Foster Wheeler APFBC system, with Siemens Westinghouse Power Corporation high-temperature ceramic filters feeding a GE 7E to repower Unit 1, and another to repower Unit 2.
The other portion of this project is underway. This uses a single GE 6FA
gas turbine to GFBCC-repower Unit 1. The link above provides details on this project, which will be completed late in 2001. The repowering concept uses a Foster Wheeler GFBCC system, with metallic filters for the syngas.
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Repowering the Arizona Public Service Company's Four Corners Station Units 1, 2, and 3 with APFBC
This project is complete. The project uses industrial- based gas turbines from Dresser-Rand in a phased-construction approach. One Dresser-Rand train repowers Unit 1, a second Unit 2, and two trains repower Unit 3. Initially the gas turbines are operated in PFB mode, while in later stages they are upgraded with topping combustors when a Unit 3 carbonizer is built, and converted to APFBC operations at the site. The link above provides details on this project, completed in September 2000. The repowering concept uses a Foster Wheeler APFBC system, with Siemens Westinghouse Power Corporation high-temperature ceramic filters.
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Related Evaluation:
An Evaluation of Gas Turbines for APFBC
This project is complete. The project evaluated the APFBC abilities of large frame gas turbines from Siemens Westinghouse Power Corporation, and aeroderivative gas turbines from Rolls-Royce and Pratt & Whitney Turbo Power. This study assessed units that might be suited for APFBC repowering modifications, to establish their characteristics in this type service, and understand their cost. The link above provides details on this project, completed in September 2000.
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