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Four out of seven power lines now link Belarusian nuclear power plant to power grid
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MINSK, 25 February (BelTA) – The fourth high-voltage power line to connect the Belarusian nuclear power plant to the country’s power grid has been commissioned, the press service of the national electric company Belenergo told BelTA.
The program on commissioning the 330kV overhead high-voltage power line between the Belarusian nuclear power plant and the power substation Postavy No.2 has been successfully implemented. The line connects the nuclear power plant’s high-voltage switchgear with the 330kV substation Postavy No.2.
A total of seven 330kV high-voltage power lines are supposed to connect the Belarusian nuclear power plant to the country’s power grid in the end. They will link the nuclear power plant to the power substations Smorgon, Minsk North, Postavy No.1, Postavy No.2, Molodechno, Ross, and Stolbtsy. The construction of the power lines has been finished. As the main equipment, protective relays, and emergency failsafes of the Belarusian nuclear power plant come online, these power lines are commissioned as well.
In order to commission the first unit of the nuclear power plant, four high-voltage power lines are supposed to connect the nuclear power plant’s high-voltage switchgear to the country’s power grid. Four high-voltage power lines now connect the nuclear power plant with the power substations Minsk North, Smorgon, Postavy No.1 and No.2. The minimal amount of power lines is now available for turning on the first unit of the Belarusian nuclear power plant. Work continues to prepare the other three lines for use.
Protective relays of the power lines between the Belarusian nuclear power plant and the power substations Postavy No.1 and No.2 were tested as part of the process to commission the fourth line. The technology rules out the effect of mutual induction of parallel power lines during short circuits to ground in order to allow protective relays and failsafes to work independently. It is the first time the function has been implemented in protective relays and automated solutions of the national power grid.
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