ENS 50961: Difference between revisions
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StriderTol (talk | contribs) (Created page by program invented by Mark Hawes) |
StriderTol (talk | contribs) (Created page by program invented by StriderTol) |
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| event date = 04/07/2015 12:45 EDT | | event date = 04/07/2015 12:45 EDT | ||
| last update date = 04/09/2015 | | last update date = 04/09/2015 | ||
| title = Dual Unit Automatic Reactor Trips Due | | title = Dual Unit Automatic Reactor Trips Due to a Voltage Transient Resulting in Generator Trips | ||
| event text = A loss of Main Generator Load which caused a Reactor Trip on Units 1 & 2. A switchyard voltage transient from a highline occurred, which caused an undervoltage condition on both units' safety related 4KV buses. | | event text = A loss of Main Generator Load which caused a Reactor Trip on Units 1 & 2. A switchyard voltage transient from a highline occurred, which caused an undervoltage condition on both units' safety related 4KV buses. | ||
Unit 1 is on normal heat removal to the condenser. | Unit 1 is on normal heat removal to the condenser. |
Latest revision as of 21:48, 1 March 2018
Where | |
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Calvert Cliffs ![]() Maryland (NRC Region 1) | |
Reporting | |
10 CFR 50.72(b)(2)(iv)(B), RPS Actuation 10 CFR 50.72(b)(3)(iv)(A), System Actuation 10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat 10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition | |
LER: | 05000317/LER-2015-002 |
Time - Person (Reporting Time:+-1 h-0.0417 days <br />-0.00595 weeks <br />-0.00137 months <br />) | |
Opened: | Dan Geneva 15:45 Apr 7, 2015 |
NRC Officer: | Vince Klco |
Last Updated: | Apr 9, 2015 |
50961 - NRC Website
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