• Full assembly of power transformers up to 450 MVA.
• Commissioning and recording of checks for entry into distribution and power transformers service.
• Conducting electrical testing.
• Treatment of insulating oils (filtering, degassing and filling).
• Drying active parts, Hot-Oil-Spray (HOS) method.
• Regenerating insulating oil by the method of absorption (füller ground).
• Replacement gaskets (crossings, relays, caps, valves).
• Elimination of oil leaks (including welding).
• Detecting and analyzing faults.