Safety system checks, six dozens of investment projects, replacement of a part of fuel assemblies, or replacement of an electricity generation part.
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Overall, ÄŒEZ plans to conduct almost sixteen thousand planned activities for two months.
The power plant's shutdown is planned for Friday night and will occur at approximately one-third of the reactor rated power. According to the power plant management, this will be a common outage associated with essential checks and investment activities.
A lot of work awaits the technicians around the turbine and especially on the generator, where they will change its rotor and protective shield.
"We will place a backup rotor into the generator, and the manufacturer will then review the existing one, which will serve as a backup in the years to come. It is a common procedure. We replaced the rotors at Unit 2 three years ago," said Jan Kruml, adding that it is precisely on the turbine generator that they will be forced to work the entire outage.
Substantial work will include inspections of safety divisions, replacing 42 out of 163 fuel assemblies, or replacing one of three transformer units. Out of the 62 investment actions, the continued replacement of a part of the piping of the essential service water system will be challenging, where the technicians will replace the carbon steel pipes with stainless steel ones.
It is the first planned outage at TemelÃn this year, and the two-month outage of Unit 2 will begin in the second half of July.
Unit 1 has been in continuous operation since May 22 last year. In almost eleven months, Unit 1 produced over 8,5 million MWh of emission less electricity and allowed to save almost seven million tons of CO2, which would otherwise have been released by coal-fired power plants.
The American company Westinghouse and French company Framatome have won the tender to supply nuclear fuel assemblies for the TemelÃn Nuclear Power Plant. Deliveries will start in 2024 and continue for approximately 15 years. ■