Browse wiki
Jump to navigation
Jump to search
{{#Regex_clear:The following information w … {{#Regex_clear:The following information was reported by fax:</br>During a plant shutdown from 100% power due to the condition as discussed in previous event notice EN #41423, a valid actuation of the reactor protection system occurred. The plant was in the intermediate shutdown mode at approximately 510�F, using the S/G's to cool the Reactor Coolant System, S/G water level was being controlled with one Auxiliary Feedwater Pump and manual control of its outlet valve.</br>Following the initiation of RCS cooldown, Steam Generator levels began to decrease. The operator began to throttle the operating AFW pump's outlet valve open, however at 1158 on 2/20/05, the Control Room received the Annunciator for S/G B Low-Low Water Reactor Trip, which has a setpoint of 2/3 S/G level channels <17% narrow range level. This caused a Reactor Trip signal to be initiated by the Reactor Protection System. The trip signal was generated, however the plant was already in a shutdown condition with the reactor trip breakers open." </br>All systems were functioning normally. The operator started an additional AFW pump and, at 1206, normal level was restored to S/G B and the automatic Reactor Trip signal cleared.</br>The lowest level during this transient in Steam Generator B was 14.5% narrow range level.</br>The licensee notified the NRC Resident Inspector. }}ensee notified the NRC Resident Inspector. }} +
17:58:00, 20 February 2005 +
41,425 +
16:37:00, 20 February 2005 +
17:58:00, 20 February 2005 +
{{#Regex_clear:The following information w … {{#Regex_clear:The following information was reported by fax:</br>During a plant shutdown from 100% power due to the condition as discussed in previous event notice EN #41423, a valid actuation of the reactor protection system occurred. The plant was in the intermediate shutdown mode at approximately 510�F, using the S/G's to cool the Reactor Coolant System, S/G water level was being controlled with one Auxiliary Feedwater Pump and manual control of its outlet valve.</br>Following the initiation of RCS cooldown, Steam Generator levels began to decrease. The operator began to throttle the operating AFW pump's outlet valve open, however at 1158 on 2/20/05, the Control Room received the Annunciator for S/G B Low-Low Water Reactor Trip, which has a setpoint of 2/3 S/G level channels <17% narrow range level. This caused a Reactor Trip signal to be initiated by the Reactor Protection System. The trip signal was generated, however the plant was already in a shutdown condition with the reactor trip breakers open." </br>All systems were functioning normally. The operator started an additional AFW pump and, at 1206, normal level was restored to S/G B and the automatic Reactor Trip signal cleared.</br>The lowest level during this transient in Steam Generator B was 14.5% narrow range level.</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>.
00:00:00, 20 February 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>.
02:21:43, 2 March 2018 +
16:37:00, 20 February 2005 +
false +
false +
-0.0563 d (-1.35 hours, -0.00804 weeks, -0.00185 months) +
17:58:00, 20 February 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.