7 mai 2015
Réacteur à 27% de puissance, cette pompe s’est arrêtée suite au transfert de son alimentation électrique sur le transformateur auxiliaire. Les procédures d’arrêt ont été engagées suite à la perte d’une boucle de refroidissement du cœur (RCS : Reactor Cooling System).
Type : PWR - Puissance : 2 775 MWTh - Première divergence : 08/1977
Available in english only.
Event Number : 51047
Facility : FARLEY - State : AL - Unit : [1] - RX Type : [1] W-3-LP
Event Date : 05/07/2015 - Event Time : 05:09
Emergency Class : NON EMERGENCY 10 CFR Section : 50.72(b)(2)(i) - PLANT S/D REQD BY TS
Unit SCRAM Code RX CRIT Initial RX Mode Current RX Mode Initial PWR : 27 % Current PWR : 0 %
Event Text
TECHNICAL SPECIFICATION SHUTDOWN DUE TO REACTOR COOLANT PUMP TRIP
"This notification is being made as required by 10 CFR 50.72(b)(2)(i) due to a Farley Nuclear Plant Unit 1 shutdown required by Technical Specifications.
"At 0509 CDT on 5/7/2015, 1B Reactor Coolant Pump (RCP) tripped during transfer of 1B 4160V bus to 1B unit auxiliary transformer. Technical Specification LCO 3.4.4 Condition A was entered for loss of a Reactor Coolant System (RCS) loop. Unit 1 reactor was shut down per operating procedures and entered Mode 3 at 0740 CDT.
"The NRC Resident Inspector has been notified."
https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2015/20150508en.html#en51047
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