An onsite meeting of deputy chief maintenance engineers took place at the Novovoronezh NPP

A number of representatives from the Rosenergoatom Joint-Stock Company, contracting and R&D companies took part in the workshop on the subject of ‘Preliminary outcomes of the 2019 maintenance campaign. Refining the NPP maintenance and repairs process’.

These workshops are held multiple times per year at one of the Russian nuclear power plants in order to evaluate a repair campaign.

The master report was presented by Alexander Krupskiy, the deputy director of NPP production and operation and the director of NPP technical maintenance, repairs, and assembly at the Rosenergoatom Joint-Stock Company. He announced the preliminary results and non-trivial issues faced during the 2019 maintenance campaign, as well as proposed ways to reduce the time lines for the NPP repairs before 2030.

Alexander stressed that, in order to maximize the efficiency of the power blocks’ maintenance strategy by 2030, the team needs to cut the repairs duration, set up centrally—anaged emergency supply, and facilitate the transition of the new VVER-1000 and VVER-1200 reactor power blocks to the designated operation of 10-years’ repairs cycle.

To store the emergency supply for the VVER reactor power blocks, a common storage is planned to be established at the Novovoronezh NPP site.

In the meantime, Evgeny Babushkin, chief maintenance engineer ad interim at the Novovoronezh NPP, noted that the NPP’s team is going to face a number of challenges next year: ‘By that time, the power block #7 will already have been put in operation, and late March we plan to use automatic equipment for non-destructive testing. We have experience doing such type of trials: this technique was used at the 6th power block for the first time. This is our main assignment, and the timelines and quality of the repairs will rely on it’.

He also expressed his gratitude to the management team for setting up such workshops stating that ‘face-to-face communication always conveys lots of thought-provoking information’.

Novovoronezh NPP is a branch of Rosenergoatom JSC (a part of the largest Division of Rosatom State Corporation – Electric Power Division). The Plant is situated on the River Don bank 42 km South of Voronezh. This is the first NPP of Russia with VVER type reactors (Water-Water Power Reactors of containment type with water under pressure). Three reactors of the Plant are the main ones – the prototypes of the serial power reactors. The first power unit was commissioned in 1964, the second one - in 1969, the third one – in 1971, the fourth one – in 1972, and the fifth one – in 1980. 

The power units No 1 and No 2 were shut down in 1984 and 1990, respectively. The power unit No 3 was shut down in 2016 for the decommissioning events. The power unit No 4 was shut down for modernization works. The power unit No 1 of Novovoronezh NPP-2 was commissioned on 27 February, 2017. The power unit No 2 is in the stage of commissioning works. 

The latest information about radiation situation near Russian NPPS and other nuclear power facilities can be seen at www.russianatom.ru 

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