Leningrad Phase II, Unit 1, Starts Hot And Cold Testing

Rosatom subsidiary Rosenergoatom said Friday that functional testing – known as cold and hot tests – had begun for the newest unit at the Leningrad Nuclear Power Plant, the unit designated Phase II, Unit 1, which has been in development in western Russia.

Leningrad NPPThe tests of the VVER-1200 reactor is expected to take 72 days to complete, according to the World Nuclear Association.

The testing involves more than 100 different “pre-operational tests,” which will confirm whether or not the unit is fit for commercial operations.

The cold tests will put the installation through the paces with temperatures near 120 decrees Celsius, while the hot tests will do the same with temperature raised to 260 degrees Celsius with tests lasting at least 100 hours.

Four RMBK-1000 units comprise Phase I at the Leningrad plant. Phase II will comprise an additional four units, each of them VVER-1200 models designed by Atomproekt and built by general contractor TITAN-2 JSC.

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