Validation of severe accident management guidelines (SAMGs) for advanced power reactor 1400 (APR1400) using colored Petri net (CPN) Tools

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Since the Fukushima nuclear accident in 2011, there has been a growing need to strengthen severe accident management guidelines (SAMGs) and find appropriate methods for validating SAMGs. The validation of SAMGs is currently performed in terms of their usability, using a full-scope simulator, a tabletop drill, and a severe accident analysis code. However, given that the use of these rely on human expertise, and the workflow of SAMGs is very complex, a new validation method is needed. In this study, a model of a SAMG workflow has been developed using Colored Petri Nets (CPN) as a new validation method. In addition, time delay, which is required for SAMG actions, has been factored in. In order to verify usable SAMGs instead of existing validations by SAMG documents, the SAMGs were validated using computing technology. The modified CPN models, which are representative of the limited plant states during implementation of SAMGs, were simulated for computer-assisted validation. It has been verified that the novel validation method can complement existing validation methods. (C) 2018 Elsevier Ltd. All rights reserved.
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Issue Date
2019-04
Language
English
Article Type
Article
Citation

ANNALS OF NUCLEAR ENERGY, v.126, pp.186 - 193

ISSN
0306-4549
DOI
10.1016/j.anucene.2018.11.011
URI
http://hdl.handle.net/10203/251613
Appears in Collection
NE-Journal Papers(저널논문)
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