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Plant Hatch Unit 2 experienced a full reac … Plant Hatch Unit 2 experienced a full reactor scram from the main generator protection circuitry (generator runback circuit). Preliminary indications are that a main generator high temperature signal was received, initiating the generator protection (runback) circuitry and a high reactor pressure scram signal was received during the turbine/generator runback. Investigations into the cause of the generator high temperature signal are ongoing.</br>Reactor water level was recovered using the reactor feed system, and reactor pressure was controlled using main turbine bypass valves. All control rods inserted, as expected, during the scram. Other than the cause of the main generator high temperature signal, all systems functioned as expected.</br>Unit is currently at 837 psig; 540 degrees F in Mode 3. Electrical system is in a normal lineup. </br>The licensee informed the NRC Resident Inspector.ensee informed the NRC Resident Inspector. +
18:17:00, 20 June 2009 +
45,145 +
15:47:00, 20 June 2009 +
18:17:00, 20 June 2009 +
Plant Hatch Unit 2 experienced a full reac … Plant Hatch Unit 2 experienced a full reactor scram from the main generator protection circuitry (generator runback circuit). Preliminary indications are that a main generator high temperature signal was received, initiating the generator protection (runback) circuitry and a high reactor pressure scram signal was received during the turbine/generator runback. Investigations into the cause of the generator high temperature signal are ongoing.</br>Reactor water level was recovered using the reactor feed system, and reactor pressure was controlled using main turbine bypass valves. All control rods inserted, as expected, during the scram. Other than the cause of the main generator high temperature signal, all systems functioned as expected.</br>Unit is currently at 837 psig; 540 degrees F in Mode 3. Electrical system is in a normal lineup. </br>The licensee informed the NRC Resident Inspector.ensee informed the NRC Resident Inspector. +
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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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