Operating experience of the Tennessee Valley Authority`s 160-MW atmospheric fluidized bed combustion demonstration unit
- Tennessee Valley Authority, West Paducah, KY (United States)
- Tennessee Valley Authority, Chattanooga, TN (United States)
October 1996 marked the eighth anniversary of the start-up of the Tennessee Valley Authority`s (TVA) 160-MW Atmospheric Fluidized Bed Combustion (AFBC) Demonstration Unit; Shawnee Power Plant, Unit 10. The unit, which was a repowering of the existing Unit 10 turbine generator set, is still one of the largest AFBC units in the world. It was built by ABB Combustion Engineering, Inc., in cooperation with the Atmospheric Fluidized Bed Development Corporation (a consortium of 14 companies), the Electric Power Research Institute, the Commonwealth of Kentucky, Duke Power Company, and TVA. Over the last eight years, which included an extended start-up period and a parametric test program, the unit has operated (through October 1, 1996) for over 45,929 hours, producing over 5.34 million MWh of electricity. Since the completion of the test program, the unit has had an average availability of 78.8% and a capacity factor of 56.9%. The unit is operated on economic dispatch along with the other fossil units in the TVA system, and unit output is regulated (by slumping/fluidizing beds and changing bed temperature) to follow system load swings throughout the day. This paper will cover the last four years of operation of the unit. Previous operating history is documented in other papers. A summary of the unit`s operation (both overall and individual systems), the major problems that have been encountered (primarily in-bed tube and feed line wear), system design modifications, and operating statistics will be presented. In addition, historical boiler and environmental performance data will be presented.
- OSTI ID:
- 355801
- Report Number(s):
- CONF-9705116-; ISBN 0-7918-1557-9; TRN: IM9931%%322
- Resource Relation:
- Conference: 14. international conference on fluidized bed combustion, Vancouver (Canada), 11-16 May 1997; Other Information: PBD: 1997; Related Information: Is Part Of Proceedings of the 14. international conference on fluidized bed combustion: Volume 1; Preto, F.D.S. [ed.] [Canada Centre for Mineral and Energy Technology, Ottawa, Ontario (Canada). Energy Technology Centre]; PB: 666 p.
- Country of Publication:
- United States
- Language:
- English
Similar Records
TVA 160-MWe atmospheric fluidized-bed combustion demonstration project. Volume 1, Startup and early test results: Final report
Six years of ABB-CE, petcoke and fluid beds