In September this year, regarding a fire that burned a transformer on the premises of the Tokai No. 2 Nuclear Power Station in Tokai Village, Ibaraki Prefecture, the operator, Japan Atomic Power, said that dust and salt inside the transformer caused a fire. It was announced that the "tracking phenomenon" is considered to be the cause.
According to the Japan Atomic Power Company, on September 13, at the Tokai No. 2 nuclear power plant in Tokai Village, which was out of operation, an employee of a subcontractor found a fire from an outdoor transformer. rice field.
The fire was quickly extinguished and no one was injured.
According to an investigation by the Japan Atomic Power Company, the cause of the fire was the "tracking phenomenon," in which dust and salt accumulated in the electrodes of the transformer, causing current to flow and fire to occur. It means that it is seen.
In response to the investigation results, Japan Atomic Power will replace the fire transformer with a new one and take measures to prevent recurrence, such as inspecting the inside of outdoor equipment.