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 Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown

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Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown Empty
PostSubject: Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown   Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown I_icon_minitimeTue Dec 10, 2013 11:23 am
Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown (PHOTOS & VIDEO)
Published: December 10th, 2013 at 12:07 am ET 
By ENENews 

River Valley Leader, Dec. 9, 2013, 9:25a ET updated at 4:26p ET: BREAKING: Pope County 911 receives reports of explosion at Arkansas Nuclear One [...] Just before 8 a.m., Monday morning, December 9, reports of an explosion at Arkansas Nuclear One were made to Pope County 911 operators. At this time details have not been released in the explosion, but fire officials are reportedly responding to the nuclear facility and a fire is being fought. A resident in the vicinity of the Arkansas Nuclear One plant reported a “loud, ground shaking explosion and then saw smoke.”Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown 2Q==

Wall St. Journal, Dec. 9, 2013 at 2:31p ET: The fire started in the electrical switchyard after a transformer exploded and ignited [NRC spokesman Victor Dricks] said […] The blaze started at 7:50 a.m. and was contained by 9:17 a.m., according to Entergy.

Arkansas Democrat-Gazette, Dec. 9, 2013 at 11:45a ET: Arkansas Department of Emergency Management spokesman Tommy Jackson said that the fire had not extinguished within the 15 minutes of detection. “The auxiliary transformer exploded in Unit Two, and there was fire within the protected area,” he said.

River Valley Leader, Dec. 9, 2013 at 3:31p ET: The Nuclear Regulatory Commission has activated its incident response center in Arlington, Texas, following the declaration of an Unusual Event at the Arkansas Nuclear One nuclear power plant. [...] The Unusual Event was declared by operators at 8 a.m. CST after Unit 2 experienced a transformer explosion in an electrical switchyard. The interruption of electrical power to Unit 2 caused protective systems to shut down the reactor.Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown 9k=
River Valley Leader, Dec. 9, 2013 at 3:28p ET: [...] reports of an explosion at Arkansas Nuclear One were received by Pope County 911 dispatchers. The explosion that was later determined to be atransformer blowing, caused a fire to erupt in the nuclear facility.
KUAR, Dec. 9, 2013 at 1:29p ET: “The issue was that the transformer itself contains oil. [...] the respondersmade the decision to let the oil fire burn off,” says [Entergy spokesman Mike Bowling].
Russelville Courier, Dec. 9, 2013 at 10:17a ET: Operators will keep the Unit 2 reactor offline while the cause of the explosion is investigated and a determination is made on what repairs are necessary. [ANO spokesperson Donna Gregory] said it has not yet been determined how long the unit will remain offline. Currently there is an investigation into the cause of the fire and extent of damage.
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Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown Empty
PostSubject: Re: Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown   Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown I_icon_minitimeTue Dec 10, 2013 11:49 am
OH CRAAAAP, ALL THE TIMING OF THESE THINGS!!!!!
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Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown Empty
PostSubject: Re: Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown   Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown I_icon_minitimeTue Dec 10, 2013 1:39 pm
Dunno, those transformers, at least the first series in line after the generators are pretty huge. If one or more really blew its top that very well could shake the ground some. Let's all hope and pray that's what really happened. Last thing we need is another Fukushima.

Look at the size of those things ! ! !   down 


Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown 1500%20MVA%20Caption%20Photo


Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown 400kV_High_Voltage_Power_Transformer
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Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown Empty
PostSubject: Re: Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown   Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown I_icon_minitimeTue Dec 10, 2013 3:20 pm
LIKE I SAID... OH CRAAAAP!!
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Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown Empty
PostSubject: UPDATE    Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown I_icon_minitimeTue Dec 10, 2013 9:32 pm
http://enenews.com/explosion-and-blaze-inside-protected-area-at-u-s-nuclear-plant-in-arkansas-transformer-blows-in-unit-two-causes-fire-that-goes-uncontained-for-90-minutes-loud-ground-shaking-explosion-rep

Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown (PHOTOS & VIDEO)
Published: December 10th, 2013 at 12:07 am ET
By ENENews
Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown Email_famfamfam Email Article
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River Valley Leader, Dec. 9, 2013, 9:25a ET updated at 4:26p ET: BREAKING: Pope County 911 receives reports of explosion at Arkansas Nuclear One [...] Just before 8 a.m., Monday morning, December 9, reports of an explosion at Arkansas Nuclear One were made to Pope County 911 operators. At this time details have not been released in the explosion, but fire officials are reportedly responding to the nuclear facility and a fire is being fought. A resident in the vicinity of the Arkansas Nuclear One plant reported a “loud, ground shaking explosion and then saw smoke.”Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown Img_449-Dec.-09-22.45-250x153
Wall St. Journal, Dec. 9, 2013 at 2:31p ET: The fire started in the electrical switchyard after a transformer exploded and ignited [NRC spokesman Victor Dricks] said […] The blaze started at 7:50 a.m. and was contained by 9:17 a.m., according to Entergy.
Arkansas Democrat-Gazette, Dec. 9, 2013 at 11:45a ET: Arkansas Department of Emergency Management spokesman Tommy Jackson said that the fire had not extinguished within the 15 minutes of detection. “The auxiliary transformer exploded in Unit Two, and there was fire within the protected area,” he said.
River Valley Leader, Dec. 9, 2013 at 3:31p ET: The Nuclear Regulatory Commission has activated its incident response center in Arlington, Texas, following the declaration of an Unusual Event at the Arkansas Nuclear One nuclear power plant. [...] The Unusual Event was declared by operators at 8 a.m. CST after Unit 2 experienced a transformer explosion in an electrical switchyard. The interruption of electrical power to Unit 2 caused protective systems to shut down the reactor.Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown Img_449-Dec.-09-22.46-250x170
River Valley Leader, Dec. 9, 2013 at 3:28p ET: [...] reports of an explosion at Arkansas Nuclear One were received by Pope County 911 dispatchers. The explosion that was later determined to be a transformer blowing, caused a fire to erupt in the nuclear facility.
KUAR, Dec. 9, 2013 at 1:29p ET: “The issue was that the transformer itself contains oil. [...] the responders made the decision to let the oil fire burn off,” says [Entergy spokesman Mike Bowling].
Russelville Courier, Dec. 9, 2013 at 10:17a ET: Operators will keep the Unit 2 reactor offline while the cause of the explosion is investigated and a determination is made on what repairs are necessary. [ANO spokesperson Donna Gregory] said it has not yet been determined how long the unit will remain offline. Currently there is an investigation into the cause of the fire and extent of damage.
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Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown Empty
PostSubject: Re: Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown   Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown I_icon_minitimeTue Dec 10, 2013 9:52 pm
I'm having internet issues, but plz refer to the map I replied to recently in one of springs' threads. AR1 is a fairly decently engineered PWR. Transformers & what not blowing has absolute zero effect or relationship with the reactor itself from a technical standpoint, but there is something not being revealed & or discussed if they've SCRAM'd the unit.
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Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown Empty
PostSubject: Re: Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown   Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown I_icon_minitimeTue Dec 10, 2013 10:41 pm
External power could be an issue if lost long enough... this is why all those power grid down drills... they are worried about that situation where a reactor loses outside power for longer than they have fuel for generators, if generators to supply emergency power run out of fuel it will be bad if they don't go into power down mode right away.

For the life of me I cannot understand why they wanted to rely on outside power for controls... and generators..
I did report some time ago about the Testing of the Generators... an outside contractor is required to do periodic tests.. to sign off that they work properly.
The one doing the inspecting said that multiple generators at each site failed as in broken crank shafts... that means major breakdown!! not something simply fixed by part purchase down the street!!!
It almost sounded like engineered failure to cause melt down.. but that is just me .. knowing what we know about the plans of the bad ones today... old ready to fail plants and failing safety systems is not good!!!
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Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown Empty
PostSubject: Re: Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown   Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown I_icon_minitimeTue Dec 10, 2013 10:59 pm
The PWR's were engineered to be self-sustainable, if need be. They don't need external power. Whatever was/is having trouble is essential to energy transmission elsewhere, but does not necessarily reflect a problem within the reactor unit(s).  Like the article says, you more than likely have an oil fire of sorts.

spring2 wrote:
External power could be an issue if lost long enough... this is why all those power grid down drills... they are worried about that situation where a reactor loses outside power for longer than they have fuel for generators, if generators to supply emergency power run out of fuel it will be bad if they don't go into power down mode right away.

For the life of me I cannot understand why they wanted to rely on outside power for controls... and generators..
I did report some time ago about the Testing of the Generators... an outside contractor is required to do periodic tests.. to sign off that they work properly.
The one doing the inspecting said that multiple generators at each site failed as in broken crank shafts... that means major breakdown!! not something simply fixed by part purchase down the street!!!
It almost sounded like engineered failure to cause melt down.. but that is just me .. knowing what we know about the plans of the bad ones today... old ready to fail plants and failing safety systems is not good!!!
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Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown Empty
PostSubject: Re: Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown   Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown I_icon_minitime
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Explosion and blaze inside protected area at U.S. nuclear plant in Arkansas — Transformer blows in Unit Two, causes fire that was not contained for 1.5 hours — “Loud, ground shaking explosion” reported — Reactor remains shut down, extent of damage unknown
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