ENS 45583: Difference between revisions

v t e ENS Event
03:53 Dec 20, 2009
Title	Automatic Reactor Trip Caused by a Turbine/Generator Electrical Fault
Event Description	An automatic reactor trip occurred due to a turbine trip caused by a generator electrical fault trip. The cause of the electrical fault is under investigation. All rods fully inserted into the reactor. The auxiliary feedwater pump started and is maintaining steam generator level. The reactor is NOP and NOT. The post trip electrical line-up is being back-fed from off-site power through the RSST transformer. All other post trip actions are standard and all systems are operating as expected. There was no affect on Unit-2. The licensee will contact the NRC Resident Inspector.

ENS 45583 +/-
Where
Millstone Connecticut (NRC Region 1)
Reporting

10 CFR 50.72(b)(2)(iv)(B), RPS Actuation 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Time - Person (Reporting Time:+-3.78 h-0.158 days <br />-0.0225 weeks <br />-0.00518 months <br />)
Opened:	Norman Kuzel 00:06 Dec 20, 2009
NRC Officer:	Vince Klco
Last Updated:	Dec 20, 2009
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v • d • e

v t e Emergency Notification System
Millstone with 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
WEEKMONTHYEAR2023-05-30T08:46:00 [Table view]
[ENS list for Millstone]

@@ Line 16: / Line 16: @@
 | event date = 12/19/2009 22:53 EST
 | last update date = 12/20/2009
-| title = Automatic Reactor Trip Caused By A Turbine/Generator Electrical Fault
+| title = Automatic Reactor Trip Caused by a Turbine/Generator Electrical Fault
 | event text = An automatic reactor trip occurred due to a turbine trip caused by a generator electrical fault trip.  The cause of the electrical fault is under investigation.  All rods fully inserted into the reactor.  The auxiliary feedwater pump started and is maintaining steam generator level.  The reactor is NOP and NOT.  The post trip electrical line-up is being back-fed from off-site power through the RSST transformer.  All other post trip actions are standard and all systems are operating as expected.  There was no affect on Unit-2.
 The licensee will contact the NRC Resident Inspector.

Latest revision as of 21:10, 1 March 2018