More important projects and volume of the work carried out by “DIT-М" Ltd.:
I) On the territory of Republic of Bulgaria

PAHPP “CHAIRA”: Replacement of bushings 400 kV of Main Transformer No 1; Assembly of Main Transformer No 2; HYDROELECTRIC POWER STATION “SANDANSKI” Revision and repair of power transformer 20 MVA, 110 kV; HYDROELECTRIC POWER STATION “LILYANOVO” Revision and repair of power transformer 25 MVA, 110 kV;

HYDROELECTRIC POWER STATION “KRICHIM”

• Reconstruction and upgrading of cooling systems of two pieces generating transformers 50 MVA 10.5/121 kV;
  

THERMAL POWER PLANT “ SOFIA – IZTOK”

Repair of power transformer Т1: 31.5 MVA, 6.3/20/110 kV; Emergency repair of transformer 80 MVA, 110/21/6.3 kV; Capital repair of power transformer 40 MVA, 110 kV; Diagnostics and repair of turbogenerator 30 MW/10kV; Revamping of transformer 31.5 MVA, 110 kV; Diagnostics of turbo-generator 30 MW/10kV.;

THERMAL POWER PLANT “SOFIA”

• Diagnostics of turbo-generator type ТВ-60-20;
• Capital repair of auto-transformer 180MVA, 220/121 kV.
  

THERMAL POWER PLANT “MARITZA EAST 2”

• Diagnostics of turbogenerator ТВВ-165-2;
• Reconstruction and replacement of on-load tap changers;
• Diagnostics of autotransformer 180 MVA , 220/121 kV;
• Repair of two pieces block transformers 180 MVA, 242/18 kV;
• Repair of block transformer 180 MVA, 242/18 kV;
• Reconstruction and upgrading of cooling systems of transformers for proper needs of blocks No 3, No 5, No 6, No 7, No 8 32 MVА, 18/6.3-6.3 kV and 15.75/6.3-6.3 kV;
• Reconstruction and upgrading of the protection against oil oxidation and protection against inner overpressure of block transformer 3Т:180 MVА, 242/18 kV;
• Dehumidifying of block transformer 5Т:250 MVА,15.75/242 kV;
• Replacement of the bushings HV of block transformer 6Т:250 MVА , 242/18 kV;
• Capital repair with replacement of the on-load tap changers contacts of transformers 21Т and 22Т:32 MVА, 18/6.3-6.3 kV;
• Capital repair and upgrading of the construction with increasing the power by 10% of transformer 21Т:32 MVА, 18/6.3-6.3 kV;
• Capital repair and upgrading with increasing the power of block transformer 1Т:200 MVА, 121/18 kV;
• Inspection and assessing the volume of revamping of transformers 1Т, 21Т, 2Т, 22Т, manufactured by Zaporozhtransformator-Ukraine;
• Revision of the on-load tap changer and the active part of transformer 30Т:31,5 MVА, 110/6.3-6.3 kV by opening the transformer;
• Revision of the on-load tap changer and the active part of transformer 10Т:40 MVA, 220/6.3-6.3 by opening the transformer.