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At 1519 (CST), the Main Turbine was trippe … At 1519 (CST), the Main Turbine was tripped due to an Oscillating Governor Valve 2 (cause not known). At 1533, Unit 1 was manually tripped due to a feedwater isolation P-14 (caused by steam generator swell induced high steam generator level, resulting in) steam generator low level (after the isolation). Aux feedwater actuated as designed.</br>All Control and Shutdown Rods fully inserted.</br>Intermediate Range NI 36 failed above P-10 so SR-Nis (source range nuclear instruments) were manually energized.</br>No primary relief valves lifted.</br>All Steam Generator PORVs (power operated relief valves) opened.</br>There were no electrical bus problems.</br>Normal operating temperature and pressure (NOT/NOP) is 567F and 2235 psig.</br>There were no significant TS LCOs (Technical Specification limiting conditions for operations) entered.</br>This event was not significant to the health and safety of the public based on all safety systems performed as designed.</br>Unit 2 was not affected and continues to operate at 100% power. The licensee has notified the NRC Resident Inspector.e has notified the NRC Resident Inspector. +
21:33:00, 21 December 2015 +
51,615 +
18:06:00, 21 December 2015 +
21:33:00, 21 December 2015 +
At 1519 (CST), the Main Turbine was trippe … At 1519 (CST), the Main Turbine was tripped due to an Oscillating Governor Valve 2 (cause not known). At 1533, Unit 1 was manually tripped due to a feedwater isolation P-14 (caused by steam generator swell induced high steam generator level, resulting in) steam generator low level (after the isolation). Aux feedwater actuated as designed.</br>All Control and Shutdown Rods fully inserted.</br>Intermediate Range NI 36 failed above P-10 so SR-Nis (source range nuclear instruments) were manually energized.</br>No primary relief valves lifted.</br>All Steam Generator PORVs (power operated relief valves) opened.</br>There were no electrical bus problems.</br>Normal operating temperature and pressure (NOT/NOP) is 567F and 2235 psig.</br>There were no significant TS LCOs (Technical Specification limiting conditions for operations) entered.</br>This event was not significant to the health and safety of the public based on all safety systems performed as designed.</br>Unit 2 was not affected and continues to operate at 100% power. The licensee has notified the NRC Resident Inspector.e has notified 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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21:33:00, 21 December 2015 +
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