On the eve of the power unit No. 2 of Zaporizhzhya NPP prematurely connected to the power system after the end of the scheduled mid-life repair. The repair time was 109.59 days. This "Chief" was informed in the information center of ZNPP.

At the power unit No. 2 during the repair, an average repair of the reactor facility with complete unloading of the core, major overhaul of steam generators Nos. 2,3, main circulation pumps No. 1,2, electric motors of the main circulation pumps No. 1,2, maintenance of diesel generators No. No. 1.3 with replacement of the piston group. The control and preventive works on the system of prestressing of the protective shell.

48 spent fuel assemblies (2 multiple sealed baskets) were stored in a dry spent nuclear fuel storage facility.

Also in the course of the repair, the turbine was repaired with the high pressure cylinder opened, the average repair of the technologically interconnected equipment: the turbogenerator-exciter-breaker and the current repair of the current conductor, the current repair of phases "A", "B", "C" of the block transformer.

In addition, super-regulation works were carried out: introduction of a complex system for diagnosing a reactor installation and a system for controlling the concentration of hydrogen in a hermetically sealed shell, replacement of pumping units, equipment of a 0.

4 kV transformer substation of security systems No. 1, 2 and relay protections of the generator-transformer unit, provision of emergency power supply in the conditions of long-term complete de-energization of nuclear power plants, etc..

As of May 10, 2018, Zaporizhzhya NPP has 5 power units.

At the power unit No. 4, the average scheduled preventive maintenance continues - 61 days are on.. Reconstruction and modernization works are under way, aimed at extending the life of the power unit.