Novovoronezh II, Unit 2, Reaches 100 Percent Power

On July 31, 2019, at 19:23, the reactor of the innovative Unit 2 of Novovoronezh Phase II for the first time was brought to the design power capacity, Russian nuclear power giant Rosatom said this week.

Novovoronezh NPP“The key event occurred as scheduled and in accordance with the pilot commercial operation program. We have successfully completed the comprehensive measurements program at 90% power capacity. Their results have shown that the power unit operates stably, reliably and safely. All parameters of the reactor, turbine, generator, power release scheme meet the operating limits,” soaid Sergey Vitkovsky, Deputy Plant Manager of Novovoronezh NPP.

Over two months, tests of the equipment were carried out at 40 percent, 50 percent, 75 percent and 90 percent of the peak rated power. It was raised up to 100 percent also under the normal conditions. No issues to equipment operation in different modes were revealed.  

The stage of gaining 100 percent power capacity envisages about 100 different tests and measurements which will take about two months. Then, the program of the final 15-day tests will start. Its completion will confirm that the equipment and process systems of the new power unit operate as designed. This will be followed by an inspection of nuclear regulator Rostechnadzor of the completed power unit for the design conformance and by issue of the corresponding statement. After that, the power unit will be commissioned in commercial operation. This is expected to occur late this year.

Novovoronezh II, Unit 1 began commercial operations in February of 2017. The units are replacements for the Novovoronezh I set of rectors, which began operations in 1964, 1969, 1971, 1972 and 1980, respectively. Units 1-3 of Novovoronezh I have been shut down, closing in 1984, 1990 and 2016, respectively.

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