Aging Assessment of Safety-Related Fuses Used in Low- & Medium-Voltage Applications in Nuclear Power Plants (NUREG-1760)
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Publication Information
Manuscript Completed: January 2002
Date Published: May 2002
Prepared by:
R. Lofaro, M. Villaram
Brookhaven National Laboratory
Energy Sciences and Technology Department
Upton, NY 11973-5000
D. Nguyen, NRC Technical Monitor
NRC Job Code J2831
Prepared for:
Division of Engineering
Office of Nuclear Reactor Regulation
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001
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Abstract
An aging assessment of safety-related fuses used in commercial nuclear power plants has been performed to determine if aging degradation is a concern for these components in older nuclear power plants. This study is based on the review and analysis of past operating experience, as reported in the Licensee Event Report database, the Nuclear Plant Reliability Data System, and the Equipment Performance and Information Exchange System database. In addition, documents prepared by the Nuclear Regulatory Commission that identify significant issues or concerns related to fuses have been reviewed, and one fuse manufacturer was visited to obtain their insights. Based on the results of the aforementioned reviews, predominant aging characteristics are identified and potential condition monitoring techniques are discussed.
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