Unplanned turbo generator shutdowns at Kursk NPP

Publish date: April 27, 2005

Generator no.2 of the first reactor unit at the Kursk NPP was shut down twice in March.

On March 28, at 12:19 p.m. local time the turbo generator’s automatic safety shutdown system was triggered and the generator was shutdown. . On March 29, at 1:43 a.m. it was connected back to the grid.

The first unplanned shutdown happened on March 25 at 6:53 a.m. local time due to a defect, which required to stop the generator. The capacity of the first unit was 50% reduced. The same day at 11.42 a.m. the turbo generator was back in operation.

According to the Kursk NPP’s WEB site, the mentioned events are not significant for the safety and beyond the INES scale. At the moment, all four generating units at the plant are currently operational and the radiation level, which currently stands at 30-km zone around the power station, is no higher than normal.