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August 27, 2017
Specialists of Closed Joint-Stock Company Nordenergomontage have begun work on major overhaul of the second hydroelectric unit of Serebryanskaya HPP-2.
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August 1, 2017
The overhaul of the first hydroelectric unit of the Kuma hydroelectric power station began in the Republic of Karelia.
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April 10, 2017
Hydro unit No. 3 at the hydroelectric power station Niva GES-3 PJSC TGC-1 was put into major repair.
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Electrical engineering

Our company deals with all types of power transformers including spare parts supplying. We successfully used the following technologies:
  • general maintenance of power transformers all type. Premolding windings;
  • washing and drying of the active part by hot oil spraying using a special washing additive and a purge of the steam-air environment in full and partial vacuum;
  • high-voltage bush replacement;
  • upgrading of electric insulating oil safety systems and cooling systems;
  • oil regeneration, drying and outgassing;
  • adding of oxidation inhibitors;
  • painting works.
We have the following equipment:
  • degassing unit;
  • oil treatment unit;
  • unit for freezing out of vapor and vacuuming;
  • heating and filter unit;
  • vacuum unit;
  • zeolitic unit;
  • a set of spray units;
  • a set of flexible metal tubings;
  • welding facilities for nonferrous materials.
 

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