ENS 46315: 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 = 10/07/2010 10:41 EDT | | event date = 10/07/2010 10:41 EDT | ||
| last update date = 10/07/2010 | | last update date = 10/07/2010 | ||
| title = Loss | | title = Loss of 4160 Volt Safety Bus | ||
| event text = Oyster Creek experienced a loss of 4160 volt 'D' safety bus. Emergency diesel generator number 2 fast started and re-powered the 'D' bus, as expected. All other safety systems responded as expected. Investigation into the loss of 'D' 4160 volt safety bus is in progress. | | event text = Oyster Creek experienced a loss of 4160 volt 'D' safety bus. Emergency diesel generator number 2 fast started and re-powered the 'D' bus, as expected. All other safety systems responded as expected. Investigation into the loss of 'D' 4160 volt safety bus is in progress. | ||
The licensee was performing grid undervoltage testing on the 'D' 4160 at the time of the event. The licensee has staffed the Outage Control Center. There is no affect on the other 4160 volt bus. Offsite power is normal. Plant risk was 'yellow' prior to and following the event as a result of Reactor Building Closed Cooling Water Pump 1-2 out of service for planned maintenance. | The licensee was performing grid undervoltage testing on the 'D' 4160 at the time of the event. The licensee has staffed the Outage Control Center. There is no affect on the other 4160 volt bus. Offsite power is normal. Plant risk was 'yellow' prior to and following the event as a result of Reactor Building Closed Cooling Water Pump 1-2 out of service for planned maintenance. | ||
Latest revision as of 21:08, 1 March 2018
| Where | |
|---|---|
| Oyster Creek New Jersey (NRC Region 1) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(iv)(A), System Actuation | |
| Time - Person (Reporting Time:+-2.03 h-0.0846 days <br />-0.0121 weeks <br />-0.00278 months <br />) | |
| Opened: | Joshua Sistak 12:39 Oct 7, 2010 |
| NRC Officer: | Joe O'Hara |
| Last Updated: | Oct 7, 2010 |
| 46315 - NRC Website
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