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At 1045 (EDT) on 9/3/18, with Unit 1 and U … At 1045 (EDT) on 9/3/18, with Unit 1 and Unit 2 at 100% power, off-site power feed to the 'A' Reserve Station Transformer was lost which resulted in a loss of power to Unit 1'J' Emergency Bus. As a result of the power loss, the 1'J' Emergency Diesel Generator started as designed and restored power to the Emergency Bus. During this event, the Unit 1 'A' Charging Pump, 1-CH-P-1A automatically started as designed due to the loss of power event.</br> </br>The valid actuation of these ESF (Engineered Safety Features) components due to the loss of power is reportable per 10 CFR 50.72 (b)(3)(iv)(A).</br> </br>The Unit 1 'J' Emergency bus off-site power source was restored via the Unit 2 'B' Station Service bus and the 1 'J' Emergency Diesel was secured and returned to Automatic. The Unit 1 'A' Charging pump has been stopped and returned to Automatic. </br>Both Units are in a stable condition. The apparent cause for the loss of power appears to be a bird strike to the 'A' RSST (Reserve Station Service Transformer) Overhead Cable.</br>The licensee notified the NRC Resident Inspector.ensee notified the NRC Resident Inspector. +
04:00:00, 3 September 2018 +
53,579 +
15:20:00, 3 September 2018 +
04:00:00, 3 September 2018 +
At 1045 (EDT) on 9/3/18, with Unit 1 and U … At 1045 (EDT) on 9/3/18, with Unit 1 and Unit 2 at 100% power, off-site power feed to the 'A' Reserve Station Transformer was lost which resulted in a loss of power to Unit 1'J' Emergency Bus. As a result of the power loss, the 1'J' Emergency Diesel Generator started as designed and restored power to the Emergency Bus. During this event, the Unit 1 'A' Charging Pump, 1-CH-P-1A automatically started as designed due to the loss of power event.</br> </br>The valid actuation of these ESF (Engineered Safety Features) components due to the loss of power is reportable per 10 CFR 50.72 (b)(3)(iv)(A).</br> </br>The Unit 1 'J' Emergency bus off-site power source was restored via the Unit 2 'B' Station Service bus and the 1 'J' Emergency Diesel was secured and returned to Automatic. The Unit 1 'A' Charging pump has been stopped and returned to Automatic. </br>Both Units are in a stable condition. The apparent cause for the loss of power appears to be a bird strike to the 'A' RSST (Reserve Station Service Transformer) Overhead Cable.</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, 3 September 2018 +
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>.
11:30:11, 4 September 2018 +
15:20:00, 3 September 2018 +
true +
false +
0.472 d (11.33 hours, 0.0674 weeks, 0.0155 months) +
04:00:00, 3 September 2018 +
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.