Vogtle reactor shutdown reported

Monday, Oct. 21, 2013 8:46 AM
Last updated Wednesday, Oct. 23, 2013 10:54 AM
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One of Plant Vogtle’s reactors was shut down Saturday after a malfunction.

According to a Nuclear Regulatory Commission notification issued Saturday, Unit 2 was at full power when the turbine tripped, causing an automatic reactor trip. Control rods were fully inserted, and nothing unusual was noted.

The unit is stable and at normal operating temperature and pressure. A forced outage response team has been formed to determine the cause of the turbine trip and determine restart criteria and time of restart.

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ConcernedTaxpayer
28
Points
ConcernedTaxpayer 10/22/13 - 09:15 am
1
1
I wish people that don't know

I wish people that don't know anything about Nuclear power plants would just keep their opinions to themselves. You just make yourselves look like fools. I was a Nuclear operator for 8+ years in the 60s & 70s on Navy submarines and surface ships and have no worries about nuclear power plants. When not working in the plant, I slept less than a hundred feet from the nuclear reactor and received 1/8 of the minimum safe amount radiation that was allowed. In fact, I received less radiation than I would have received had I been riding a tractor in the sun on a farm. Some of the remarks here are just hilarious and ridiculous.

nocnoc
105805
Points
nocnoc 10/22/13 - 07:24 pm
1
1
CT - food for thought

1997-8
SSN22
S6W
SA audits & reviews of EBY at Rotten Groton, Newport and Mare.

Principle rule laid down by SUN TZU
Know the terrain that you do battle on.

nocnoc
105805
Points
nocnoc 10/23/13 - 08:26 am
2
0
NRC Event Number: 49461

KUDO's to the operators.
It must be a boring job 99% of the time.
------------------------------------------------------------

REACTOR TRIP DUE TO DECREASING CONDENSER VACUUM
http://www.nrc.gov/reading-rm/doc-collections/event-status/event/en.html...

"At 1144 EDT, Vogtle Unit Two was manually tripped in response to lowering Main Condenser vacuum. The Unit 2 Bravo Main Feed Pump was tagged out for scheduled maintenance and the casing was being removed when condenser vacuum started lower due to isolation valve not holding pressure. Main Condenser vacuum lowered to less than procedural limits for continued plant operation.

"All systems operated correctly in response to the reactor trip. All control rods fully inserted. AFW was placed in service to control Steam Generator levels. System response allowed for an uncomplicated reactor trip response. Plant is stable in Mode 3 while performing a cause investigation.

"The NRC Senior Resident Inspector was notified and at plant site."

The plant is in a normal post-trip electrical line-up. Decay heat is being removed via the steam dumps to the Main Condenser.

Unit: 2
RX Type: [1] W-4-LP,[2] W-4-LP
NRC Notified By: KEVIN ____
HQ OPS Officer: DONALD ______
Notification Date: 10/22/2013
Notification Time: 13:18 [ET]
Event Date: 10/22/2013
Event Time: 11:44 [EDT]
Last Update Date: 10/22/2013
Emergency Class: NON EMERGENCY
-------------------------------------------

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