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At 1351 hrs. EDT on May 12, 2010, a Calver … At 1351 hrs. EDT on May 12, 2010, a Calvert Cliffs Unit 1 Reactor trip was generated by a complete load rejection when a main generator output breaker opened while its redundant breaker was opened for planned maintenance.</br>The generator output breaker trip caused Reactor Coolant System (RCS) pressure to rise to the Reactor Protection System (RPS) High Pressure setpoint, which opened both Power Operated Relief Valves (PORVs). Both PORVs reclosed when RCS pressure was reduced to normal.</br>All Control Rods fully inserted on the trip. Normal heat removal methods are currently in progress.</br>Unit 1 is in a normal shutdown electrical lineup and there was no impact on Unit 2. </br>The NRC Resident Inspector has been notified by the licensee.spector has been notified by the licensee. +
17:51:00, 12 May 2010 +
45,920 +
15:35:00, 12 May 2010 +
17:51:00, 12 May 2010 +
At 1351 hrs. EDT on May 12, 2010, a Calver … At 1351 hrs. EDT on May 12, 2010, a Calvert Cliffs Unit 1 Reactor trip was generated by a complete load rejection when a main generator output breaker opened while its redundant breaker was opened for planned maintenance.</br>The generator output breaker trip caused Reactor Coolant System (RCS) pressure to rise to the Reactor Protection System (RPS) High Pressure setpoint, which opened both Power Operated Relief Valves (PORVs). Both PORVs reclosed when RCS pressure was reduced to normal.</br>All Control Rods fully inserted on the trip. Normal heat removal methods are currently in progress.</br>Unit 1 is in a normal shutdown electrical lineup and there was no impact on Unit 2. </br>The NRC Resident Inspector has been notified by the licensee.spector has been notified by the licensee. +
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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>.
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-0.0946 d (-2.27 hours, -0.0135 weeks, -0.00311 months) +
17:51:00, 12 May 2010 +
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