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THERMAL POWER PLANT MARITZA EAST 3

  • Diagnostics of phase R of autotransformer -400/231/31.5 kV;
  • Replacement of bushings 400 kV and 110 kV, repair of the cooling system, and thermo-vacuum treatment of the insulation of transformer 250 MVA, 400/110/38 kV;
  • Assembly of phase of transformer 400/231/31.5 kV;
  • Repair and upgrading of block transformer 200 MVA 220/15.75 kV;
  • Repair and reconstruction of transformer 25 MVA, 15,75/6,3 6,3 kV.

THERMAL POWER PLANT BOBOV DOL

  • Diagnostics of autotransformer 200 MVA, 220/110 kV;
  • Diagnostics of transformer 250 MVA, 220/15.75 kV and transformer 32 MVA, 15.75/6.3 kV;
  • Diagnostics of turbo-generator type -200-2 together with ELEKTROSILA- Russia.

THERMAL POWER PLANT VARNA

  • Repair and upgrading of autotransformer 200 MVA, 220/121 kV;
  • Reconstruction and replacement of on-load tap changers of transformers for proper needs;
  • Repair of transformer 250 MVA, 110/15.75 kV;
  • Creation of technology and elaboration of sections for high-voltage motors;
  • Capital repair of block transformer type 250 MVA, 220/15,75 kV.

Substation TSAREVETS

  • Diagnostics and replacement of bushings of transformer 250 MVA, 400/110 kV.

Substation STOLNIK

  • Capital repair of autotransformer 250 MVA, 400/110 kV.

KREMIKOVTZI STEEL PLANT

  • Diagnostics of transformer 250 MVA, 400/110/38 kV;
  • Emergency repair of power transformer 75 MVA, 110/21/6.3 kV;
  • Replacement and assembly of power transformer 4 in Main Step-down Substation-4:63 MVA, 110 kV;
  • Diagnostics of the synchronous motor status, type , 19 500/6 000.

ASSAREL MEDET

  • Repair and upgrading of transformer 40 MVA, 110/6/6 kV.

KUMERIO-MED

  • Capital repair of power transformer 125 MVA, 110/6.3 kV.