220 kV Rayonnaya Substation


Vladimir, Vladimir region

Technical characteristics:

  • Aggregate capacity: 460 MVA
  • Equipment used:
    • Two 220/110/10kV autotransformers with a 125MVA capacity each, made by HC “Electrozavod”
    • Two 110/6/6kV transformers with a 80MVA capacity each, made by HC “Electrozavod”
    • Two 110/10/10kV transformers with a 25MVA capacity each, made by HC “Electrozavod”
    • 220V and 110V complete gas-insulated switchgear (GIS), made by JSC “Electromechanical Plant”, St. Petersburg
    • 110kV SF6 circuit breakers, made by JSC “URALELECTROTYAZHMASH URALGIDROMASH”, Yekaterinburg

Works performed:

  • Prime Contractor
  • Site preparation, demolition and dismantling of buildings, structures and relocation of the 110kV and 220kV overhead lines from the construction area;
  • Construction of the main buildings and structures (220kV and 110 kV gas insulated switchgear, 220kV and 110 kV switchyard, 10kV indoor switchgear);
  • 110kV and 220kV overhead line connection;
  • Procurement, delivery, certification, Customs clearance of auxiliary equipment and materials;
  • Installation of power transformers, gas insulated switchgear and switchyard equipment;
  • Installation of relay protection systems and controls, HF communication and fiber-optic communication lines.