Reliability analysis of shutdown system

This paper presents the results of reliability analysis of Shutdown System (SDS) of Indian Prototype Fast Breeder Reactor. Reliability analysis carried out using Fault Tree Analysis predicts a value of 3.5 × 10 −8/de for failure of shutdown function in case of global faults and 4.4 × 10 −8/de for lo...

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Bibliographic Details
Published in:Annals of nuclear energy 2005, Vol.32 (1), p.63-87
Main Authors: Kumar, C. Senthil, John Arul, A., Pal Singh, Om, Suryaprakasa Rao, K.
Format: Article
Language:English
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Summary:This paper presents the results of reliability analysis of Shutdown System (SDS) of Indian Prototype Fast Breeder Reactor. Reliability analysis carried out using Fault Tree Analysis predicts a value of 3.5 × 10 −8/de for failure of shutdown function in case of global faults and 4.4 × 10 −8/de for local faults. Based on 20 de/y, the frequency of shutdown function failure is 0.7 × 10 −6/ry, which meets the reliability target, set by the Indian Atomic Energy Regulatory Board. The reliability is limited by Common Cause Failure (CCF) of actuation part of SDS and to a lesser extent CCF of electronic components. The failure frequency of individual systems is
ISSN:0306-4549
1873-2100
DOI:10.1016/j.anucene.2004.08.002