Fugen Nuclear Power Plant

This article is about a nuclear reactor. For the Bodhisattva, see Samantabhadra. For the Austrian municipality, see Fügen.

Fugen Nuclear Power Plant
The Fugen NPP in 1975, Image: Japan Ministry of Land, Infrastructure and Transport
Location of Fugen Nuclear Power Plant in Japan
Country	Japan
Coordinates	35°45′16″N 136°00′59″E / 35.75444°N 136.01639°E / 35.75444; 136.01639Coordinates: 35°45′16″N 136°00′59″E / 35.75444°N 136.01639°E / 35.75444; 136.01639
Construction began	May 10, 1972 (1972-05-10)
Commission date	March 20, 1979 (1979-03-20)
Decommission date	March 29, 2003 (2003-03-29)
Operator(s)	Japan Atomic Energy Agency
Nuclear power station
Reactor type	HWLWR
Power generation
Units decommissioned	1 x 165 MW
Annual generation	345 GW·h

The Tsuruga NPP and Fugen NPP together in the same image

Fugen ふげん (Fugen) is a prototype Japanese nuclear test reactor that is shut down and awaiting decommission. It is located in Myōjin-chō, in the city of Tsuruga, Fukui. The design is an Advanced Thermal Reactor, which is a product of Japan. The name "Fugen" is derived from Fugen Bosatsu (Samantabhadra), a Buddhist deity.

The reactor was the first in the world to use a full MOX fuel core. It had 772 assemblies, the most in the world. It has received the title of a historic landmark from the American Nuclear Society.

The design boils ordinary water like a boiling water reactor (BWR) but uses heavy water as a moderator as in a CANDU reactor. The electrical output was 165 MW and the thermal output was 557 MW. On March 3, 2005, the reactor stopped operations.

Core temperature: 300 °C
Pellet centerline temperature: 2200 °C
Fuel conversion time: 6 months

The plant is located on a site that covers 267,694 m² (66 acres); buildings occupy 7,762 m² (1.9 acres), and it has 46,488 m² of floor space. It employed 256 workers.^[1]

Accidents

14–16 April 1997: A tritium leakage was announced to the responsible authorities 30 hours after the event. During the following investigation it was shown that it already had 11 similar incidents. Five managers of the operator at that time (at the time Power Reactor and Nuclear Fuel Development Corporation) resigned.
8 April 2002: About 200 cubic meters of steam escaped from a defective pipe. The reactor was switched off.

During dismantling operations it was found that walls with controls did not have the necessary strength at 25 of 34 points.

References

↑ JAEA (Japanese). Facilities Quick View.

External links

Wikimedia Commons has media related to Fugen Nuclear Power Plant.

Nuclear power in Japan

Companies

Organisations

Plants

Active LWR	Fukushima Daiichi Fukushima Daini Genkai Hamaoka Higashidōri Ikata Kashiwazaki-Kariwa Mihama Ōi Onagawa Sendai Shika Shimane Takahama Tōkai Tomari Tsuruga

Other	Maki Monju Namie-Odaka Ōma Fugen ATR (inactive) Jōyō FBR Rokkasho reprocessing

Accidents
and incidents

Fukushima Daiichi	Timeline Reactors 4, 5 and 6 Ōkuma Fukushima 50 Investigation Committee Independent Investigation Commission Radiation effects Japanese reaction International reactions Cleanup Comparison with Chernobyl

Other	Tokaimura nuclear accident Japanese nuclear incidents Mihama nuclear accidents

Anti-nuclear
movement

Category
Commons

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