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TECHNICAL PAPERS: Gas Turbines: Electric Power

Development of a Maintenance Program for Major Gas Turbine Hot Gas Path Parts

[+] Author and Article Information
H. Moritsuka, T. Fujii, T. Takahashi

Central Research Institute of Electric Power Industry (CRIEPI), 2-6-1 Nagasaka, Yokosuka City, Kanagawa Prefecture, 240-0196 Japan

J. Eng. Gas Turbines Power 124(4), 867-873 (Sep 24, 2002) (7 pages) doi:10.1115/1.1399055 History: Received November 01, 1999; Revised February 01, 2000; Online September 24, 2002
Copyright © 2002 by ASME
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References

1991, “Development and Evaluation of Life and Assessment and Reconditioning Methods for Gas Turbine Blading,” EPRI GS-4302.
Soneda, N., and Takao, T., 1993, “Development of Integrated Evaluation Support System for Nuclear Plant Life Extension,” CRIEPI Report T92061.
Moritsuka, H., Fujii, T., and Takahashi, T., 1999, “Development of the Gas Turbine Maintenance Optimization Supporting Program—First Report Maintenance Management Basic Program of Main Hot Gas Parts,” CRIEPI Report W98020.
Hayakawa, Y., Isobe, N., Sakurai, S., and Kumata, K., 1999, “Life Management System for Hot-Gas-Path Components of Gas Turbine,” ASME Paper 99-GT-428.

Figures

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Gas turbine main hot gas path parts (bold letters)
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Gas turbine hot gas path parts maintenance method
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Flow chart of the program
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Typical combined cycle power plant
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Gas turbine hot gas path parts rotation history diagram
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Repair costs of hot gas path parts
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Gas turbine hot gas path parts rotation plan diagram (basic case)
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Maintenance cost for the five-year period (standard case)
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Gas turbine hot gas path parts rotation plan diagram (25 percent lifespan exceeding case)
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Maintenance costs for the five-year period (25 percent lifespan extension case)
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Gas turbine hot gas path parts rotation plan diagram (cost uniform case)
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Maintenance costs for the five-year period (cost uniform case)
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Gas turbine hot gas path parts rotation plan diagram (trouble repair case)
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Maintenance costs for the five-year period (trouble repair case)
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Gas turbine hot gas path parts rotation plan diagram (combustor inspection optimizing case)
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Maintenance costs for the five-year period (combustor inspection optimizing case)

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