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An emergency shutdown of the power unit occurred at the Kalinin nuclear power plant due to the operation of automation

On the night of May 31, 2023, at 22:46 local time, the first power unit of the Kalinin nuclear power plant, located in the Tver region, was automatically disconnected from the network, according to the official press release of the power plant.

There was an automatic shutdown of the turbogenerator at power unit No. 1. The causes of this incident are currently being established. After determining and eliminating the reasons for the operation of automation, power unit No. 1 is planned to be reconnected to the network.

It should be noted that during the incident there were no violations of the limits and conditions of safe operation. Currently, power units No. 2, No. 3 and No. 4 continue to operate at the power plant, which ensure the supply of electricity in accordance with the dispatch schedule.

The radiation background in the area of ​​the Kalinin NPP, as well as in the adjacent territories, remains within the normal range and does not exceed natural background values. This confirms the safety of operation of the remaining power units.

However, amid the Ukrainian drone attacks, there is particular concern about what happened, however, it is very likely that the reason for the shutdown of the power unit is not related to the UAV attacks.

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