A Study on the Operational Events of Domestic Nuclear Power Plants for Multi-unit Risk 


Vol. 34,  No. 5, pp. 167-174, Oct.  2019
10.14346/JKOSOS.2019.34.5.167


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  Abstract

Compared to a single nuclear power plant (NPP) risk, the commonalities existing in the multiple NPPs attribute the characteristics of the multi-unit risk. If there is no commonality among the multiple NPPs, there will be no dependency among the risks of multiple NPPs. Therefore, understanding the commonality causing multi-unit events is essential to assessing the multi-unit risk, and identifying the characteristics of the multi-unit risk is necessary not only to select the scope and method for the multi-unit risk assessment, but also to analyze the data of the multi-unit events. In order to develop Korea-specific multi-unit risk assessment technology, we analyze the multi-unit commonalities included in the operational experiences of domestic NPPs. We identified 58 cases of multi-unit events through detailed review of domestic nuclear power plant event reports over the past 10 years, and the multi-unit events were classified into six commonalities to identify Korea-specific characteristics of multi-unit events. The identified characteristics can be used to understand and manage domestic multi-unit risks. It can also be used as a basis for modeling multi-unit events for multi-unit risk assessment.

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  Cite this article

[IEEE Style]

임학규, "A Study on the Operational Events of Domestic Nuclear Power Plants for Multi-unit Risk," Journal of the Korean Society of Safety, vol. 34, no. 5, pp. 167-174, 2019. DOI: 10.14346/JKOSOS.2019.34.5.167.

[ACM Style]

임학규. 2019. A Study on the Operational Events of Domestic Nuclear Power Plants for Multi-unit Risk. Journal of the Korean Society of Safety, 34, 5, (2019), 167-174. DOI: 10.14346/JKOSOS.2019.34.5.167.

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