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Olkiluoto-3 / Cause Of Vibration Problem ‘Still Unknown’ At Finland EPR

By David Dalton
26 May 2020

Generation IIII unit is about nine years behind schedule
Cause Of Vibration Problem ‘Still Unknown’ At Finland EPR
The Olkiluoto-3 nuclear power plant in Finland. Photo courtesy TVO.
Higher than expected vibration of the pressuriser surge line belonging to the reactor cooling circuit at the Olkiluoto-2 nuclear power plant under construction in Finland remains “the biggest open issue” arising from hot functional tests carried out in 2018, the regulator Stuk has said.

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