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|Title:||Configuration control during plant outages: a review of operating experience|
|Authors:||PEINADOR VEIRA MIGUEL; EL KANBI SAMIR; STEPHAN Jean-Luc; MARTENS Johannes|
|Citation:||ATW-INTERNATIONAL JOURNAL FOR NUCLEAR POWER vol. 60 no. 3 p. 161-163|
|Publisher:||INFORUM VERLAGS-VERWALTUNGSGESELLSCHAFT MBH|
|Type:||Articles in periodicals and books|
|Abstract:||After the occurrence of several significant events in nuclear power plants during shutdown modes of operation in the eighties, and from the results of probabilistic safety assessments completed in the nineties, it was clear that risk from low power and shutdown operational modes could not be neglected and had to be addressed by appropriate safety programs. A comprehensive review of operating experience from the last ten years has been conducted by the Joint Research Centre with the objective of deriving lessons learned and recommendations useful for nuclear regulatory bodies and utilities alike. This paper is focused on one particular challenge that any nuclear plant faces whenever it plans its next outage period: how to manage the configuration of all systems under a complex environment involving numerous concurrent activities, and how to make sure that systems are returned to their valid configuration before the plant resumes power operation. This study highlights the importance of conveying accurate but synthesized information on the status of the plant to the operators in the main control room. Many of the lessons learned are related to the alarm display in the control room and to the use of check lists to control the status of systems. Members of the industry and safety authorities may now use these recommendations and lessons learned to feed their own operating experience feedback programs, and check their applicability for specific sites.|
|JRC Directorate:||Energy, Transport and Climate|
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