Kori Nuclear Power Plant
|Kori Nuclear Power Plant|
Kori Nuclear Power Plant, Reactors Kori 1, Kori 2, Kori 3, Kori 4 from right to left.
|Operator(s)||Korea Hydro & Nuclear Power|
|Nuclear power station|
|Units operational||1 X 556 MWe
1 X 605 MWe
2 x 895 MWe
2 X 960 MWe
|Make and model||GEC Turbines (Rugby)
|Units under const.||2 X 1,340 MWe|
|Nameplate capacity||4,414 MW
Planned: 8,030 MW
The Kori Nuclear Power Plant (Korean: 고리원자력발전소, Hanja: 古里原子力發電所) is a South Korean nuclear power plant located in Gori, a suburban village in Busan. It is owned and operated by Korea Hydro & Nuclear Power, a subsidiary of KEPCO. The first reactor began commercial operation in 1978.
An expansion of the plant begun in 2006 added four new Korean-sourced reactors, the so-called Shin Kori reactors. The first pair of Shin Kori reactors are of the OPR-1000 design, while the second two are the APR-1400 design. By November 2010 the first was online and the rest undergoing trials or construction. Two further APR-1400 reactors are in planning.
So far, all reactors on site are pressurized water reactors.
|Name||Net Electric Output||First Criticality||Commercial Start||Reactor Supplier||NSSS supplier||Architecture||Construction|
|Kori 1||556 MWe||06/1977||04/1978||Westinghouse||GEC Turbines (Rugby)||Gilbert||Westinghouse|
|Kori 2||605 MWe||04/1983||07/1983||Westinghouse||GEC Turbines (Rugby)||Gilbert||Westinghouse|
|Kori 3||895 MWe||01/1985||09/1985||Westinghouse||GEC Turbines (Rugby)||Bechtel||Hyundai|
|Kori 4||895 MWe||10/1985||04/1986||Westinghouse||GEC Turbines (Rugby)||Bechtel||Hyundai|
|Shin Kori 1||960 MWe||06/2010||02/2011||KHNP/KEPCO||Doosan||KOPEC||Hyundai|
|Shin Kori 2||960 MWe||12/2011||07/2012||KHNP/KEPCO||Doosan||KOPEC||Hyundai|
|Shin Kori 3||1,400 MWe||2015||KHNP/KEPCO||Doosan||KOPEC||Hyundai|
|Shin Kori 4||1,400 MWe||2016||KHNP/KEPCO||Doosan||KOPEC||Hyundai|
(NSSS = nuclear steam supply system)
On 9 February 2012 at 8:30 p.m. Kori 1 was shut down for regular inspections. After this the reactor lost all power for 12 minutes, and the diesel generator did not start. The reactor was to be inspected and the nuclear fuel was to be exchanged. According to the South Korean nuclear regulator all facilities for the spent-fuel-pool and the cooling of the reactor were still operational. The incident was not reported to the regulator before 12 March 2012. The incident was graded at INES level 2. Subsequently five senior engineers were charged for a coverup of the serious incident.
On 2 October 2012 at 8:10 a.m. Shingori 1 was shut down after a warning signal indicated a malfunction in the control rod, which is used to control the rate of fission of nuclear materials, according to the Korea Hydro & Nuclear Power Co. It is the first time that reactor, located 450 kilometers southeast of Seoul, has been shut down due to a malfunction since it began commercial operation on 28 Feb. 2011. An investigation is currently underway to verify the exact cause of the problem.
In June 2013 Kori 2 was shutdown, and Kori 1 ordered to remain offline, until safety-related control cabling with forged safety certificates is replaced. Control cabling installed in the APR-1400s under construction failed flame and other tests, so need to be replaced delaying construction by up to a year.
- NHK-world (13 March 2012) S.Korean nuclear plant lost power for 12 minutes
- "Loss of shutdown cooling due to station blackout during refueling outage". IAEA. 23 April 2012. Retrieved 6 November 2012.
- "South Korea shuts nuclear reactors, warns of power shortages". AFP (Times of India). 5 November 2012. Retrieved 6 November 2012.
- Yonhap News (2 October 2012) Nuclear reactor halts operation due to malfunction
- "New component issues idle Korean reactors". World Nuclear News. 28 May 2013. Retrieved 7 June 2013.
- "Recabling delays Shin Kori start ups". World Nuclear News. 18 October 2013. Retrieved 15 November 2013.
- "Shin-Kori 3 receives replacement cables". Nuclear Engineering International. 30 September 2014. Retrieved 10 March 2015.
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