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100  +
Oyster Creek experienced a loss of 4160 voOyster 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.</br>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.</br>The licensee notified the NRC Resident Inspector.ensee notified the NRC Resident Inspector.  +
14:41:00, 7 October 2010  +
46,315  +
12:39:00, 7 October 2010  +
14:41:00, 7 October 2010  +
Oyster Creek experienced a loss of 4160 voOyster 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.</br>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.</br>The licensee notified the NRC Resident Inspector.ensee notified the NRC Resident Inspector.  +
Has query"Has query" is a predefined property that represents meta information (in form of a <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Subobject">subobject</a>) about individual queries and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
100  +
00:00:00, 7 October 2010  +
Modification date"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
02:08:41, 2 March 2018  +
12:39:00, 7 October 2010  +
false  +
-0.0846 d (-2.03 hours, -0.0121 weeks, -0.00278 months)  +
14:41:00, 7 October 2010  +
Loss of 4160 Volt Safety Bus  +
URL"URL" is a <a href="/Special:Types/URL" title="Special:Types/URL">type</a> and predefined property provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a> to represent URI/URL values.
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