Power Transformer


  • Designed for life time trouble-free performance

  • Design conforms to Indian and International standards

  • Low power loss and low noise level

  • Designed to withstand electrical impulses and thermal and dynamic stresses

  • Optimum utilization of active materials for compactness

  • Modern manufacturing techniques ensure cost effectiveness and reliability


  • 3 phase, 50 Hz in voltages of 11kV, 22kV and 33kV

  • Off-circuit tap changer to provide any required range as per standards

  • On load tap changer to provide standard range & also custom built for any other ranges as per standards. OLTC will be internally/externally mounted as per the requirement.

  • Class A, uniform/non-uniform insulated for oil cooled, Class B to Class H for dry type transformers

  • Any vector group as per standards

  • Any duty cycle as per Indian / International standards

  • Painting as per Indian / International standards

  • Both HV & LV side outdoor bushings or cable boxes

  • Cooling radiators/fans.

  • Standard fittings as per Indian / International standards

  • Buchholz relay with alarm and trip contact with shut off valves

  • Oil temperature indicator with alarm and trip contact

  • Winding temperature indicator with alarm and trip contact

  • Magnetic oil level gauge with alarm contact

  • Marshalling box to house oil temperature indicator and winding temperature indicator

  • Cooler control unit

  • Neutral current transformer

Optional Accessories

  • Winding temperature indicator and oil temperature indicator with remote indication

  • RTDs for winding temperature measurement

  • Oil preservation system through air cell/thermosphyon filter

  • Neutral earthing bar with epoxy supports