A lifecycle management program, for turbine balance of plant of light water reactor units, was proposed and implemented from the view point of system and equipment supplier to secure the high availability factor throughout the long intended residual lifetime. The program consists of unit surveillance analyzing operation and inspection data, degradation assessment for the equipment and prospecting for the future by appropriate measures to address the issues over the units based on both technical and economical criteria. The surveillance revealed the issue that the generating power would be adversely affected by main steam pressure reduction due to the scale adhesion to SG tubes. The prospect for the unit future was presented as an alteration of the water treatment to HAVT accompanied with optimum design for the replacement of the auxiliary heat exchangers of MSR and feedwater heaters.
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17th International Conference on Nuclear Engineering
July 12–16, 2009
Brussels, Belgium
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
978-0-7918-4352-9
PROCEEDINGS PAPER
A Lifecycle Management Program for NPP Turbine Balance of Plant
Toshinari Kawai,
Toshinari Kawai
Mitsubishi Heavy Industries, Ltd., Takasago, Japan
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Katsuhiko Yamakami,
Katsuhiko Yamakami
Mitsubishi Heavy Industries, Ltd., Takasago, Japan
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Satoshi Hiraoka,
Satoshi Hiraoka
Mitsubishi Heavy Industries, Ltd., Takasago, Japan
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Jun Manabe
Jun Manabe
Mitsubishi Heavy Industries, Ltd., Takasago, Japan
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Toshinari Kawai
Mitsubishi Heavy Industries, Ltd., Takasago, Japan
Katsuhiko Yamakami
Mitsubishi Heavy Industries, Ltd., Takasago, Japan
Satoshi Hiraoka
Mitsubishi Heavy Industries, Ltd., Takasago, Japan
Jun Manabe
Mitsubishi Heavy Industries, Ltd., Takasago, Japan
Paper No:
ICONE17-75087, pp. 955-963; 9 pages
Published Online:
February 25, 2010
Citation
Kawai, T, Yamakami, K, Hiraoka, S, & Manabe, J. "A Lifecycle Management Program for NPP Turbine Balance of Plant." Proceedings of the 17th International Conference on Nuclear Engineering. Volume 2: Structural Integrity; Safety and Security; Advanced Applications of Nuclear Technology; Balance of Plant for Nuclear Applications. Brussels, Belgium. July 12–16, 2009. pp. 955-963. ASME. https://doi.org/10.1115/ICONE17-75087
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