Metsamor

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Russia to extend US$270m export credit to Armenia for extending nuclear power operation

Thursday, December 4, 2014

(Armenian News, Yerevan, 19 November 2014) Armenia has approved a proposal for the extension of an Armenian-Russian intergovernmental agreement on cooperation extending the operation of the 2nd power unit of the Armenian nuclear-power plant (NPP). Armenia’s Minister of Energy and Natural Resources Yervan Zakharyan noted that, under the agreement, Russia is to extend a $270m export credit to Armenia.

Armenia said Sept. 13 it would extend the life of its ageing nuclear power plant, despite safety concerns over the Soviet-era facility in an active seismic zone.

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Russia plans bid to build nuclear plant in Armenia

Thursday, February 7, 2008

YEREVAN, Feb 6 (Reuters) - Russia said on Wednesday it will bid in a tender to build a nuclear power station in Armenia to replace an ageing Chernobyl-style plant that has provoked safety concerns.

Armenia, which imports most of its energy, has said it will close down its Soviet-built Metzamor nuclear reactor, which supplies up 40 percent of the country's power, only when it can add new generating capacity. The government said last year it would hold a tender to build a new 1,000 megawatt reactor at the site near Yerevan, which could be ready by 2016.

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Armenia to Close Nuclear Plant

Friday, November 30, 2007

YEREVAN, Armenia (AP) -- Armenia approved a plan Thursday to shut down its lone nuclear power plant, following years of pressure from foreign nations concerned about its Soviet-era design and safety.

The government gave no date for closing the Medzamor reactor, located about 20 miles west of the capital, Yerevan. The 27-year-old plant, which supplies nearly half the country's electricity, halted operations after a 1988 earthquake but was restarted during an energy shortage in 1995.

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Armenia to build new reactor at its nuclear power plant

Wednesday, November 7, 2007

24.10.2007, 20.55

YEREVAN, October 24 (Itar-Tass) -- Armenia has made a decision to build a new unit at the operating nuclear power plant to replace the one to be decommissioned, Energy Minister Armen Movsesyan said.

“An alternative to the nuclear power plant in Armenia could be only a new nuclear unit that will meet current safety and security requirements,” the minister said in an interview with the Voice of Armenia newspaper on Wednesday.

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EU pushes closure of Armenian NPP for security and safety reasons

Friday, September 28, 2007

NEW YORK - Euroatom is ready to provide Armenia with a EUR 200m preferential loan to close down the Armenian nuclear power plant, said Gunnar Wiegand, of the European Commission’s on department for Eastern Europe, South Caucasus and Central Asia told reporters in Yerevan Thursday, Eurasia.org reported.

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Failure of safety system train during routine testing

On July 13, 1998 unit 2 was under 160 MW power. According to the approved programme testing of emergency feed water pumps (EFP) was performed. The test showed EFP-B non-operability. By switching on the EFP-A it switched on, however in 3 minutes it was switched off by the pump protection. Operating personnel did not decrease the reactor power after the testing, as it should be made according to the OL&C. The EFP-A operability was restored in 3 hours 10 min. The EFP-B operability was restored in 6 hours 20 min. A repeated testing was performed without notes.

Category: Power Reactor Armenia Metsamor »

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Reactor discharge due to deterioration of quality of water in the secondary circuit (power reduction)

One June 4, 1998 the plant was under 160 MW electrical power operation. At 10.40 a.m. the shift supervisor received an information concerning high level of content of Na in the samples of blow-down lines of SG-16. In the SG3 and SG6 the content of Na exceeded the level established by L&C (2,3mg/kg and 2,1mg/kg instead of permissible 1,5mg/kg). Operational personnel discharged the reactor power down to 80 MWe. At 14.45 were detected and closed two sources of penetration of Na in the secondary circuit.

Category: Power Reactor Armenia Metsamor »

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Reactor trip due to short circuit on control and protection system of generator

On 4 February, 1997 the plant was under 365 MW electrical power operation with two working turbogenerators. At 6:31 a.m. one of the turbogenerators was disconnected from the grid and tripped by the control and protection system. The reactor power was decreased in order to maintain the parameters of primary and secondary circuits. At 6:34 the reactor was shut down by the control and protection system because of drop of level in the steam generators 1-3.

Category: Power Reactor Armenia Metsamor »

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Reactor trip due to short circuit on the high-voltage line

On October 8, 1996 the plant was under 240 MW electrical power operation with two working turbogenerators. At 7 am one of the turbogenerators was disconnected from the grid and tripped by the control and protection system. Then, in order to maintain the parameters of primary and secondary circuits, the reactor power was decreased by personnel from 240 to 0 MWe. The previous investigation revealed that the cause of generator disconnection was a short circuit at the high-voltage line connecting the NPP with the national grid.

Category: Power Reactor Armenia Metsamor »