7 mai 2015
La raison de la perte de la turbine est en cours de recherche. Les barres de contrôle se seraient correctement insérées dans le cœur et l’activation du système de protection du réacteur se serait déroulé correctement.
Type : Fukushima I (BWR Mark I) - Puissance : 1 930 MWTh - Première divergence : 05/1969
Available in english only.
Event Number : 51055
Facility : OYSTER CREEK - State : NJ -
Unit : [1] - RX Type : [1] GE-2
Event Date : 05/07/2015 - Event Time : 17:27
Emergency Class : NON EMERGENCY 10 CFR Section : 50.72(b)(2)(iv)(B) - RPS ACTUATION - CRITICAL
Initial PWR : 100 % Current PWR : 0%
Event Text
AUTOMATIC REACTOR SCRAM DUE TO TURBINE TRIP
"Today at 1727 EDT, an automatic scram from a turbine trip occurred. The cause of the turbine trip is currently under investigation. All rods inserted into the core and all systems functioned as expected during the scram.
"The event is reportable within 4 hours per 10CFR50.72(b)(2)(iv)(B) - any event or condition that results in actuation of the reactor protection system (RPS) when the reactor is critical except when the actuation results from and is part of a pre-planned sequence during testing or reactor operation."
Plant response to the scram was uncomplicated and the plant is stable in Mode 3.
The licensee has notified the NRC Resident Inspector.
https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2015/20150508en.html#en51055
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