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We received report about cause and countermeasures pertaining to fire in Genkai Nuclear Power Plant from Kyushu Electric Power Co.,Inc.

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 December 18, 2019

Nuclear Safety Division

Person in charge Morooka

0952-25-7081 direct to extension number 1880

E-mail: genshiryokuanzentaisaku@pref.saga.lg.jp

 

We received report about cause and countermeasures pertaining to fire in Genkai Nuclear Power Plant from Kyushu Electric Power Co.,Inc.

 In the Genkai Nuclear Power Plant, we received report about cause and countermeasures pertaining to fire (strange train in the yard some damages by a fire of providing) that occurred on December 10, this year from Kyushu Electric Power Co.,Inc.

 

≪Summary of fire≫ 

1. Outbreak date and time December 10, 2019 15:58

2. Some damages by a fire of electric equipment in summary Genkai nuclear power generation exile of fire

 

≪Report pertaining to cause and countermeasures from Kyushu Electric Power≫

1. About cause

 Of Genkai transformer substation after putting breaker for receiving, is estimated that as short circuit phenomenon occurred in the breaker for install in the downstream side, receiving, of switchboard is damaged by a fire, and reached fire.

 As we add this fire (smoke) to having attached grounding appliance which you should attach to the downstream side of breaker in power supply system facilities check to the upper side by mistake, and grounding appliance disassembly confirmation before receiving was insufficient, it is thought that it is caused by the fact that electric current which is unreasonable by having received with grounding appliance being attached drifted.

2. About preventive measures against recurrences

 As countermeasures, we attach mark which can distinguish side and downstream side of upper reaches definitely to grounding appliance mounting location of breaker, and grounding appliances specify confirmation of what is removed in regulations document and operation procedure before receiving to be thorough. In addition, about this cause and countermeasures, we educate to the person concerned immediately and, in the places of education before periodical inspection, we continue and plan common knowledge thorough.

 

 

[offers from Saga to Kyushu Electric Power]

・It is to be very regretted that fire (smoke) occurred in Genkai Nuclear Power Plant.

・Not to make any causing similar error, you are absolutely sure for preventive measures against recurrences well, and give a polite explanation for citizen of the prefecture clearly in future.

・You are always conscious of viewpoint whether there is no room for improvement to reduce mistake, and work on having feeling of strain well, and carrying out daily activities.

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Copyright© 2016 Saga Prefecture.All Rights Reserved.

Saga prefectural government office (corporation number 1000020410004)

〒840-8570
1-1-59, Jonai, Saga-shi
Tel: 0952-24-2111 (main)
Copyright© 2016 Saga Prefecture.All Rights Reserved.