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Unusual event category 10A on Unit 4. Los … Unusual event category 10A on Unit 4. Loss of offsite power to Unit 4 due to loss of Unit 4 Startup Transformer. Auto AFW actuation. Auto starting and loading of both Unit 4 Emergency Diesel Generators.</br>The licensee stated that the plant is stable in Mode 3 at approximately 700 psi and 380 deg F. The plant was experiencing electrical grid instabilities at the time of the trip of the Startup Transformer. The exact cause of the transformer trip is being investigated. The grid instabilities were associated with the plant's Northwest Bus, therefore, Unit 3 is not affected and continues to operate at approximately 60% power.</br>The licensee notified the State of Florida and will notify the NRC Resident Inspector</br>*** UPDATE FROM D. FUNK TO J. KNOKE AT 02:15 ON 11/02/05 ***</br>The licensee terminated from their Unusual Event (EAL 10A) at 0200 EST on 11/02/05. Unit 4 A & B 4 KV busses are now powered from off-site power using Unit 4 startup transformer." </br>The power / mode for Unit 4 is now 0% power / Mode 5.</br>The licensee will notify the NRC Resident Inspector and has notified State, local and other government agencies. Notified R2DO (Ayres), NRR EO (Case), IRD-MOC (Wilson), DHS (J. Frost) and FEMA (S. Kimbrell).ilson), DHS (J. Frost) and FEMA (S. Kimbrell). +
03:27:00, 1 November 2005 +
42,104 +
23:02:00, 31 October 2005 +
03:27:00, 1 November 2005 +
Unusual event category 10A on Unit 4. Los … Unusual event category 10A on Unit 4. Loss of offsite power to Unit 4 due to loss of Unit 4 Startup Transformer. Auto AFW actuation. Auto starting and loading of both Unit 4 Emergency Diesel Generators.</br>The licensee stated that the plant is stable in Mode 3 at approximately 700 psi and 380 deg F. The plant was experiencing electrical grid instabilities at the time of the trip of the Startup Transformer. The exact cause of the transformer trip is being investigated. The grid instabilities were associated with the plant's Northwest Bus, therefore, Unit 3 is not affected and continues to operate at approximately 60% power.</br>The licensee notified the State of Florida and will notify the NRC Resident Inspector</br>*** UPDATE FROM D. FUNK TO J. KNOKE AT 02:15 ON 11/02/05 ***</br>The licensee terminated from their Unusual Event (EAL 10A) at 0200 EST on 11/02/05. Unit 4 A & B 4 KV busses are now powered from off-site power using Unit 4 startup transformer." </br>The power / mode for Unit 4 is now 0% power / Mode 5.</br>The licensee will notify the NRC Resident Inspector and has notified State, local and other government agencies. Notified R2DO (Ayres), NRR EO (Case), IRD-MOC (Wilson), DHS (J. Frost) and FEMA (S. Kimbrell).ilson), DHS (J. Frost) and FEMA (S. Kimbrell). +
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00:00:00, 2 November 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>.
02:19:56, 2 March 2018 +
23:02:00, 31 October 2005 +
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03:27:00, 1 November 2005 +
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