Browse wiki
Jump to navigation
Jump to search
At 0530 EDT a power reduction commenced du … At 0530 EDT a power reduction commenced due to elevated vibrations on 32 MBFP (Main Boiler Feedwater Pump). When reactor power reached 60% the team was attempting to stabilize reactor power when a level excursion occurred in 32 steam generator. When level reached its high level turbine trip set point an automatic reactor trip occurred and all systems responded as expected. Auxiliary feedwater actuated as expected. The Unit is currently in mode 3 and stable with auxiliary feed water in service and reactor temperature maintained with the steam dumps to the main condenser. Investigation into the cause of the steam generator level excursion is in progress. Offsite power is available and supplying safeguard busses. Unit 2 was unaffected and remains at 100% power. The (NRC) Resident Inspector has been notified.</br>No safety or relief valves lifted during this event.or relief valves lifted during this event. +
10:25:00, 28 May 2009 +
07:12:00, 28 May 2009 +
10:25:00, 28 May 2009 +
At 0530 EDT a power reduction commenced du … At 0530 EDT a power reduction commenced due to elevated vibrations on 32 MBFP (Main Boiler Feedwater Pump). When reactor power reached 60% the team was attempting to stabilize reactor power when a level excursion occurred in 32 steam generator. When level reached its high level turbine trip set point an automatic reactor trip occurred and all systems responded as expected. Auxiliary feedwater actuated as expected. The Unit is currently in mode 3 and stable with auxiliary feed water in service and reactor temperature maintained with the steam dumps to the main condenser. Investigation into the cause of the steam generator level excursion is in progress. Offsite power is available and supplying safeguard busses. Unit 2 was unaffected and remains at 100% power. The (NRC) Resident Inspector has been notified.</br>No safety or relief valves lifted during this event.or relief valves lifted during this event. +
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>.
60 +
00:00:00, 28 May 2009 +
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>.
02:11:59, 2 March 2018 +
07:12:00, 28 May 2009 +
true +
-0.134 d (-3.22 hours, -0.0192 weeks, -0.00441 months) +
10:25:00, 28 May 2009 +
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.