ENS 51547: Difference between revisions
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| event date = 11/18/2015 03:26 EST | | event date = 11/18/2015 03:26 EST | ||
| last update date = 01/19/2016 | | last update date = 01/19/2016 | ||
| title = Invalid Actuation | | title = Invalid Actuation of 3A Emergency Diesel Generator (Edg) | ||
| event text = This is a non-emergency eight hour notification in accordance with 10 CFR 50.72(b)(3)(iv)(A), for an automatic actuation of the 3A Emergency Diesel Generator (EDG). | | event text = This is a non-emergency eight hour notification in accordance with 10 CFR 50.72(b)(3)(iv)(A), for an automatic actuation of the 3A Emergency Diesel Generator (EDG). | ||
On 11/18/15 at approximately 0326 [EST] a loss of power was experienced on the 3A 4KV Bus. The redundant 3B 4KV bus did not experience a loss of power. All systems operated as expected following the loss of power with the 3A EDG automatically sequencing onto the 3A 4KV bus and the load sequencer loading as designed. At the time of the actuation, Unit 3 was in a refueling outage in MODE 5. Investigation into the cause of the loss of power is in progress. There was no impact on Unit 4 operation during this time. | On 11/18/15 at approximately 0326 [EST] a loss of power was experienced on the 3A 4KV Bus. The redundant 3B 4KV bus did not experience a loss of power. All systems operated as expected following the loss of power with the 3A EDG automatically sequencing onto the 3A 4KV bus and the load sequencer loading as designed. At the time of the actuation, Unit 3 was in a refueling outage in MODE 5. Investigation into the cause of the loss of power is in progress. There was no impact on Unit 4 operation during this time. |
Latest revision as of 21:45, 1 March 2018
Where | |
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Turkey Point ![]() Florida (NRC Region 2) | |
Reporting | |
10 CFR 50.73(a)(1), Submit an LER, Invalid Actuation | |
Time - Person (Reporting Time:+1.45 h0.0604 days <br />0.00863 weeks <br />0.00199 months <br />) | |
Opened: | Nicholas Desantis 09:53 Nov 18, 2015 |
NRC Officer: | Steven Vitto |
Last Updated: | Jan 19, 2016 |
51547 - NRC Website
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