Development of a Simple Method for Classifying the Degree of Importance of Components in Nuclear Power Plants using Probabilistic Analysis Technique
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Accession number;06A0802637
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| Title;Development of a Simple Method for Classifying the Degree of Importance of Components in Nuclear Power Plants using Probabilistic Analysis Technique |
| Author;
SHIMADA YOSHIO
(Inst. Nuclear Safety System, Inc., JPN)
MIYAZAKI TAKAMASA
(Inst. Nuclear Safety System, Inc., JPN)
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Journal Title;Transactions of the Atomic Energy Society of Japan
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Journal Code:L4596A
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ISSN:1347-2879
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VOL.5;NO.3;PAGE.167-178(2006)
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| Figure&Table&Reference;FIG.11, TBL.7, REF.21 |
| Pub. Country;Japan |
| Language;Japanese |
| Abstract;In order to analyze large amounts of trouble information of overseas nuclear power plants, it is necessary to select information that is significant in terms of both safety and reliability. In this research, a method of efficiently and simply classifying degrees of importance of components in terms of safety and reliability while paying attention to root-cause components appearing in the information was developed. Regarding safety, the reactor core damage frequency (CDF), which is used in the probabilistic analysis of a reactor, was used. Regarding reliability, the automatic plant trip probability (APTP), which is used in the probabilistic analysis of automatic reactor trips, was used. These two aspects were reflected in the development of criteria for classifying degrees of importance of components. By applying these criteria, a method of quantitatively and simply judging the significance of trouble information of overseas nuclear power plants was developed. (author abst.) |
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