The thermal efficiency of gas turbine combined cycle power generation plants increase significantly in accordance with turbine inlet temperature. Gas turbine combined cycle power plants operating at high turbine inlet temperature are popular as a main thermal power station among our electric power companies in Japan. Thus, gas turbine hot gas parts are working under extreme conditions which will strongly affect their lifetime as well as maintenance costs for repaired and replaced parts. To reduce the latter is of major importance to enhance cost effectiveness of the plant. This report describes a gas turbine maintenance management program of main hot gas parts (combustor chambers, transition pieces, turbine first stage nozzles and first stage buckets) for management persons of gas turbine combined cycle power stations in order to obtain an optimal gas turbine maintenance schedule considering rotation, repair and replacement, or exchange of those parts.
Development of a Maintenance Program for Major Gas Turbine Hot Gas Path Parts
Contributed by the International Gas Turbine Institute (IGTI) of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER. Paper presented at the International Gas Turbine and Aeroengine Congress and Exhibition, Munich, Germany, May 8–11, 2000; Paper 00-GT-187. Manuscript received by IGTI November 1999; final revision received by ASME Headquarters February 2000. Associate Editor: D. Wisler.
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Moritsuka, H., Fujii , T., and Takahashi, T. (September 24, 2002). "Development of a Maintenance Program for Major Gas Turbine Hot Gas Path Parts ." ASME. J. Eng. Gas Turbines Power. October 2002; 124(4): 867–873. https://doi.org/10.1115/1.1399055
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