engleski

RAOL - Simplified Approach to Risk Monitoring in Nuclear Power Plants

Probabilistic Risk Assessment (PRA) can provide safety status information for a plant during different configurations; an additional effort is needed however to do this in real time for on-line operation. This paper describes an approach to use of PRA to achieve these goals. A Risk Assessment On-Line (RAOL) application was developed to monitor maintenance (on-line and planned) activities. RAOL is based on the results from a full-scope PRA, engineering/operational judgement and incorporates a user friendly program interface approach. Results from RAOL can be used by planners or operators to effectively manage the level of risk by controlling the actual plant configuration.

probabilistic risk assessment; on-line risk monitoring; maintenance

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