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Transformers and autotransformers for power transmission

Design, production, factory testing, delivery, assembly, on-site testing, commissioning, maintenance and after market services for:
Three-phased regulating/non-regulating oil-filled transformers and autotransformers with:
  • - powers output up to 600 MVA ;
  • - nominal voltages up to 500 kV ;
  • - cooling systems: ONAN, ONAF, OFAF, ODAF ;
  • - on-load  regulation ;
  • - using low loss oriented steel, accurate cut/laser treated ;
  • - using  highly conductive insulated copper for helical/continuous/interleaved windings ;
  • - using environmental-friendly dielectric oil ;
  • - auxiliary protection devices like: online monitoring system/firefighting system, etc.
designed and produced according to the international standards: IEC 60076, EN or ANSI.
Our focus is the continuous improvement of our products and services. Therefore, we concentrate on developing and applying new methods for continuous:
  •       - losses levels reduction ;
  •       - noise levels reduction ;
  •       - anti-corrosive protection and ;
  •       - environment protection
 
 

200 MVA Autotransformer

 

   Rated power (MVA) Rated voltage (kV) Group connection Total weight (kg) Total size L x l x h (mm)
ATUS OFAF 200 MVA 231 / 121 / 10,5 YNa0d5 154.000 10234 x 4912 x 8059

 

250 MVA Transformer

 

   Rated power (MVA) Rated voltage (kV) Group connection Total weight (kg) Total size L x l x h (mm)
TTUS OFAF 250 MVA 400 / 121 / 20 YNyn0d11 296.000 12190 x 5720 x 9160

 

 

400 MVA Autotransformer

 

   Rated power (MVA) Rated voltage (kV) Group connection Total weight (kg) Total size L x l x h (mm)
ATUS OFAF 400 MVA 400 / 231 / 22 YNa0d5 255.000 13160 x 5750 x 8669