Browse wiki
Jump to navigation
Jump to search
Seabrook Station initiated a Manual Reacto … Seabrook Station initiated a Manual Reactor Trip during initial start of the main turbine following a refueling outage. Turbine vibrations elevated to the automatic trip setpoint during initial increase to normal operating speed. The reactor was manually tripped to allow breaking main condenser vacuum and reduce main turbine speed.</br>The plant is currently stable in Mode 3. All control rods (fully) inserted and decay heat removal is via the main condenser steam dumps.</br>Emergency feedwater (EFW) pump actuation occurred because of lowering steam generator level due to the reactor trip. </br>Steam generator level control was maintained using EFW. </br>Condenser vacuum was broken until the turbine vibration alarms cleared and was then restored, allowing the condenser to be used for dumping steam.</br>The licensee notified the NRC Resident Inspector.ensee notified the NRC Resident Inspector. +
15:09:00, 1 May 2005 +
41,655 +
12:57:00, 1 May 2005 +
15:09:00, 1 May 2005 +
Seabrook Station initiated a Manual Reacto … Seabrook Station initiated a Manual Reactor Trip during initial start of the main turbine following a refueling outage. Turbine vibrations elevated to the automatic trip setpoint during initial increase to normal operating speed. The reactor was manually tripped to allow breaking main condenser vacuum and reduce main turbine speed.</br>The plant is currently stable in Mode 3. All control rods (fully) inserted and decay heat removal is via the main condenser steam dumps.</br>Emergency feedwater (EFW) pump actuation occurred because of lowering steam generator level due to the reactor trip. </br>Steam generator level control was maintained using EFW. </br>Condenser vacuum was broken until the turbine vibration alarms cleared and was then restored, allowing the condenser to be used for dumping steam.</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>.
17 +
00:00:00, 1 May 2005 +
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>.
02:21:07, 2 March 2018 +
12:57:00, 1 May 2005 +
true +
true +
-0.0917 d (-2.2 hours, -0.0131 weeks, -0.00301 months) +
15:09:00, 1 May 2005 +
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.