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PS_RalphW

Joined: 24 Nov 2005 Posts: 5582 Location: Cambridge
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clv101 Site Admin

Joined: 24 Nov 2005 Posts: 8189
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adam2 Site Admin

Joined: 02 Jul 2007 Posts: 7371 Location: North Somerset
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Posted: Mon Apr 22, 2013 4:00 pm Post subject: |
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Reports state that it tripped following loss of vacuum in the steam condensor, whilst increasing load.
That would lead to large scale venting of low pressure steam but I dont see why it would start a fire, though it appears to have done so.
A large release of steam could certainly be mistaken by non experts for smoke, but I think that the fire brigade would know the difference.
Cant be that serious as they forecast a return to normal in about a week. _________________ "Installers and owners of emergency diesels must assume that they will have to run for a week or more" |
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RenewableCandy

Joined: 12 Sep 2007 Posts: 12652 Location: York
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Posted: Mon Apr 22, 2013 4:17 pm Post subject: |
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adam2 wrote: |
Cant be that serious as they forecast a return to normal in about a week. | That is not necessarily faultless logic. _________________ Soyez réaliste. Demandez l'impossible.
Stories
The Price of Time |
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adam2 Site Admin

Joined: 02 Jul 2007 Posts: 7371 Location: North Somerset
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Posted: Wed May 01, 2013 9:05 pm Post subject: |
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Re start now expected in a few days, a little later than first expected.
Two other reactors off line for planned refueling, two more running at part load to conserve fuel, and one raising output after on load refueling.
Not bad considering the age of the fleet. _________________ "Installers and owners of emergency diesels must assume that they will have to run for a week or more" |
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clv101 Site Admin

Joined: 24 Nov 2005 Posts: 8189
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adam2 Site Admin

Joined: 02 Jul 2007 Posts: 7371 Location: North Somerset
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Posted: Wed May 08, 2013 7:47 pm Post subject: |
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Now back on full load. _________________ "Installers and owners of emergency diesels must assume that they will have to run for a week or more" |
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adam2 Site Admin

Joined: 02 Jul 2007 Posts: 7371 Location: North Somerset
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Posted: Wed May 15, 2013 8:47 pm Post subject: |
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Broken again, fault in turbine or generator not the reactor.
Restart expected in about 10 days.
Another reactor has an unplanned outgage for boiler inspection.
So that is 2 unplanned outages, two planned refueling outgages, and two at part load to conserve fuel.
No crisis at this time of year, but it wont help for next winter, every GWH of nuclear power not generated now due to faults is either more gas burnt and therefore less to fill the store for next winter, or more coal burnt and therefore less permitted operating hours left for future use of coal burning plant. _________________ "Installers and owners of emergency diesels must assume that they will have to run for a week or more" |
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