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Part
of Dungeness nuclear power station in Kent has been shut down. The
Dungeness B reactor 21 was taken offline at 17:20 GMT on Wednesday
following a fault on a conventional steam valve, EDF Energy said.
"Safety systems operated as they should and we took the conservative
decision to bring the unit offline," the spokeswoman said. Dungeness B
has two reactors and the second remained operational.
THE life of Dungeness B is to be extended until 2028, subject to authorisation, it has been revealed.
EDF Energy plans to keep the plant operating for a further ten years, as stated in the EDF Group's 2013 report.
It
is understood that the work necessary for such a move is well under
way, although a final decision will not be made until the end of this
year.
Seawater cooling system of Torness in East Lothian has become
clogged with seaweed for the second time this year. A nuclear reactor
near Edinburgh shut down on Thursday because its seawater cooling system
became clogged with seaweed. This is the second time this year that
reactors at Torness in East Lothian have been forced to close because of
excessive seaweed. In 2011 it was closed by a swarm of jellyfish.
Reactors need large amounts of water in order to keep them cool, and to
prevent them from overheating. Seawater for cooling at Torness is
filtered, but when the filters get clogged, reactors have to be shut
down as a safety precaution. The station's operator, EDF Energy, has
said that one of the two 640-megawatt reactors at Torness was shut down
in the early hours of this morning. It is expected to remain closed for
the next seven days. "We took reactor 2 offline at 02:20 this morning
due to increased seaweed ingress as a result of the weather conditions
in the area," said the nuclear station's director, Paul Winkle. "We are
aware that at certain times of year with particular weather conditions
in this part of the Forth estuary, seaweed volumes can increase and
enter the station's cooling water intake system." Torness staff were
trained to respond to this situation by taking reactors offline if
necessary, he said. "In addition, the many-layered safety systems
monitor conditions like this and the plant's inbuilt mechanisms will
take the unit offline automatically."
.....
Seaweed shuts down Scottish nuclear reactor
Seawater cooling system of Torness in East Lothian has become clogged with seaweed for the second time this year
Torness nuclear power plant, seen from Skateraw Bay near Dunbar in East Lothian, Scotland. Photograph: Gary Doak/Alamy
A nuclear reactor near Edinburgh shut down on Thursday because its seawater cooling system became clogged with seaweed.
This is the second time this year that reactors at Torness in East Lothian have been forced to close because of excessive seaweed. In 2011 it was closed by a swarm of jellyfish.
Reactors
need large amounts of water in order to keep them cool, and to prevent
them from overheating. Seawater for cooling at Torness is filtered, but
when the filters get clogged, reactors have to be shut down as a safety
precaution.
The station's operator, EDF Energy,
has said that one of the two 640-megawatt reactors at Torness was shut
down in the early hours of this morning. It is expected to remain closed
for the next seven days.
"We took reactor 2 offline at
02:20 this morning due to increased seaweed ingress as a result of the
weather conditions in the area," said the nuclear station's director,
Paul Winkle.
"We are aware that at certain times of year
with particular weather conditions in this part of the Forth estuary,
seaweed volumes can increase and enter the station's cooling water
intake system."
Torness staff were trained to respond to
this situation by taking reactors offline if necessary, he said. "In
addition, the many-layered safety systems monitor conditions like this
and the plant's inbuilt mechanisms will take the unit offline
automatically."