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On March 25, 2008, during scheduled monthl … On March 25, 2008, during scheduled monthly testing per surveillance procedure M628, '480 Volt Undervoltage Degraded Grid Protection System Bus 5A Functional', an Instrumentation & Control technician conducting the test inadvertently caused an undervoltage condition on 480 volt AC safeguards Bus 5A, resulting in the automatic actuation of the associated Emergency Diesel Generator (EDG)-33. In accordance with design EDG-33 started and loads on Bus 5A were stripped and required loads were sequenced back onto Bus 5A. All equipment performed as designed. Normal power for Bus 5A has been restored and all equipment returned to pre-event condition. Investigation into the cause of the event is in progress. Unit 2 is currently in a refueling outage and was unaffected. Licensee has notified the NRC Resident Inspector and the State Public Service Commission.ector and the State Public Service Commission. +
15:18:00, 25 March 2008 +
44,091 +
14:38:00, 25 March 2008 +
15:18:00, 25 March 2008 +
On March 25, 2008, during scheduled monthl … On March 25, 2008, during scheduled monthly testing per surveillance procedure M628, '480 Volt Undervoltage Degraded Grid Protection System Bus 5A Functional', an Instrumentation & Control technician conducting the test inadvertently caused an undervoltage condition on 480 volt AC safeguards Bus 5A, resulting in the automatic actuation of the associated Emergency Diesel Generator (EDG)-33. In accordance with design EDG-33 started and loads on Bus 5A were stripped and required loads were sequenced back onto Bus 5A. All equipment performed as designed. Normal power for Bus 5A has been restored and all equipment returned to pre-event condition. Investigation into the cause of the event is in progress. Unit 2 is currently in a refueling outage and was unaffected. Licensee has notified the NRC Resident Inspector and the State Public Service Commission.ector and the State Public Service Commission. +
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, 25 March 2008 +
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>.
02:14:44, 2 March 2018 +
14:38:00, 25 March 2008 +
true +
false +
-0.0279 d (-0.67 hours, -0.00399 weeks, -9.17766e-4 months) +
15:18:00, 25 March 2008 +
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.