Leningrad

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Ecologists Slam Nuclear Power Plant

Wednesday, November 5, 2008

As work started on LAES-2, a complex of six power station units with VVER-1200 reactors that is due to complement the existing four 4 RBMK-1000 units of Leningrad Nuclear Power Station (LAES), environmentalists began a protest campaign against what they call an illegitimate and potentially hazardous construction.

The project’s estimated cost is $10 billion.

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Russia to build 26 nuclear power reactors

Friday, October 3, 2008

Russia intends to build 26 major nuclear power reactors over twelve years to come, chief of the state-run corporation Rosatom, Sergei Kiriyenko, said. Kiriyenko was speaking at the 52nd general conference of the International Atomic Energy Agency (IAEA) on 29th september.

"The pace of commissioning new nuclear power reactors is pegged to our current plans, but it can be adjusted in terms of scale and deadlines," he said."Construction work is underway at five sites (Leningrad, Novovoronezh, Kalinin, Rostov and Beloyarsk NPPs)," he said, adding that design and exploration work was in progress on another 14 reactor projects.

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Rosatom rejects rumors of Lithuania radioactive leak

Saturday, May 24, 2008

MOSCOW, May 24 (RIA Novosti) - Russian nuclear power agency Rosatom dismissed on Saturday rumors circulating in the country's Baltic exclave of Kaliningrad of a radioactive leak from a plant in neighboring Lithuania.

Rosatom spokesman Sergei Novikov said several journalists had contacted him on Friday asking about an alleged accident at Lithuania's nuclear plant.

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Fears Of Radiation Leak Grip Region

Thursday, May 22, 2008

Panic gripped many in the city Wednesday after rumors spread that a serious accident had happened at the Leningrad Nuclear Power Station (LAES) in Sosnovy Bor, a town 70 kilometers west of St. Petersburg.

The power station operates four Chernobyl-type reactors and has a history of minor accidents.

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Third Unit of Leningrad Nuclear Power Plant Halted, Radiation Normal

Thursday, May 15, 2008

ST. PETERSBURG. May 15 (Interfax) - The third unit of the Leningrad nuclear power plant was halted at 9:00 a.m. Moscow time on Thursday.

"The reactor was being tested after modernization at half of its rated capacity, 500 megawatts, when the automated output reduction system turned on," the power plant administration said.

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INES-event
INES 0

LEAKAGE OF FEEDWATER THROUGH WELDED JOINT OF A NB 76 PIPELINE CONNECTING ECCS HEADER WITH DISTRIBUTION GROUP HEADER

On February 22, 1994, the unit was in normal operation at 50% of rated power (500 MWe). At 12:00 manual load reduction of the unit was performed to 200 MWe (within 20 mins.) due to appearance of steaming in the unmanned room with water pipelines to fuel channels in the primary. At 12:22 the reactor was manually tripped and the cooling down was started with normal rate of 10 degrees C. Designed system of controlled leaks, drain, their treatment as well as water makeup system maintained the normal cooling down of the primary during the whole process to 60 degrees C in the primary.

Category: Power Reactor Leningrad Russian Federation »

INES-event
INES 2

UNIT SHUTDOWN DUE TO DEPRESSURIZATION OF ONE FUEL CHANNEL

While in normal operation at nominal power coolant flowrate decrease in one of the fuel channels (pressure tubes) (TK 52-16) to the zero level occurred due to failure of the isolation-control valve installed in the inlet line to the above channel. This has led to fuel assembly (FA) cooling capacity degradation, TK 52-16 fuel channel depressurization and a damage to FA in this channel. As a result of coolant leak to reactor space pressure build-up occurred there, and on reaching the setpoint AZ emergency protection actuated. The reactor was scrammed and its cooldown started.

Category: Power Reactor Leningrad Russian Federation »

INES-event
INES 0

UNIT SHUTDOWN DUE TO SHORT CIRCUIT IN THE AUXILIARY POWER TRANSFORMER AND LEAKING OIL FIRE

During normal operation unit power reduction occurred on the tripping of one of the two operating TGs due to short circuit in the voltage regulator of the auxiliary power transformer followed by the burning of oil, which leaked out of the transformer. The fire was extinguished by the fire-figthing system assisted by the plant fire brigade. 13 hours after the event the nominal power was restored. Breach of safe operation limits and conditions did not occur.
BASIS FOR RATING: Initiator - short circuit.
Criterion - degradation of defence-in-depth.

Category: Power Reactor Leningrad Russian Federation »