Republican Unitary Enterprise

Belarusian nuclear
power plant

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NPP construction site, 231201, Ostrovets, Grodno region. 

Е-mail: belaes@belaes.by

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Reception: +375 (1591) 4-53-59, fax: +375 (1591) 4-54-00

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Friday, 08 May 2020

The high-voltage line 330 kV Belarusian NPP - Stolbtsy and the new equipment of 330 kV substation Stolbtsy were put into operation

Written by Belenergo

On May 6, 2020, a program was successfully implemented to commission for the first time the high-voltage line 330 kV “Belarusian NPP - Stolbtsy”. This is the fifth high-voltage line connecting Belarusian NPP with the power system. 7 high-voltage lines connect the switchgear of Belarusian NPP to the power system. Five of them have already been put into operation, two more (Belarusian NPP - Molodechno and Belarusian NPP - Ross) are to be put. The construction of these high-voltage lines has been completed, and as soon as the main equipment and relay protection devices and emergency automation devices are ready at Belarusian NPP, they are put into operation.

The arrangement of communication of Belarusian NPP with Stolbtsy substation, in addition to the construction of the power line itself, provided for the reconstruction of the existing 220 kV Stolbtsy substation with a new 330 kV switchgear and the substation being transferred to the rated voltage class of 330 kV. In addition, the scope of the reconstruction includes equipping the substation with two shunt reactors.

Within the implementation of the program for putting into operation Belorussian NPP - Stolbtsy 330 kV overhead line, voltage was first applied to the equipment of the 330 kV switchgear of  Stolbtsy substation, to the autotransformer 330/110/10 kV with a capacity of 125 MVA and a shunt reactor of 10 kV with a capacity of 20 MVar. In the future, as part of the implementation of the third stage of reconstruction of Stolbtsy substation, it is planned to install another autotransformer and a shunt reactor, as well as the construction of a 330 kV Baranovichi-Stolbtsy to provide power transit for Belarusian NPP-Stolbtsy-Baranovichi.

Last modified on Friday, 08 May 2020
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