The Commission is investigating the disabling unit Zaporizhzhya NPP in Ukraine
Created the Commission of inquiry violations on the 3rd unit of Zaporizhzhya NPP, which led to the disconnection unit, informs on Wednesday, the state Inspectorate for nuclear regulation of Ukraine.
according to " Energoatom ", the third Zaporozhye NPP unit 28 November evening was disconnected from the network effect of protection from internal damage to the generator. The reason for disabling - injury winding of the voltage transformer section of the auxiliary power supply unit, which led to the disconnection of service transformers and switches block transformer. Automatic protection unit was operated in Accordance with the design algorithm. Disabling unit was one of the reasons for the shortage of electricity and in the end, the state company " Ukrenergo " beginning with December 1, emergency stop customers from electricity.
" on December 3, 2014 (the reactor is in cold condition. According to unverified evaluation this event is qualified by the level on the INES scale - below scale/level " 0 ". Comments on the work of technological protection, interlocks, automation and equipment. Created the Commission of inquiry violations, " informs on Wednesday, the state Inspectorate.
Background radiation at the site of Zaporizhzhya NPP without change in the normal, physical protection is in normal mode.
work is currently underway to restore electricity for own needs of the unit. The schedule provided by the inclusion of the unit in the network on 5 December.
Zaporizhzhya NPP is one of Europe's biggest nuclear power station in terms of installed capacity. Her six VVER-1000 power units built by the Soviet project-320. 1st unit was introduced in the early winter of 1984, the sixth in October 1995.
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