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Dry Type Transformers

Vacuum Pressure Impregnated (VPI) Transformers

A transformer in which the core and windings are not immersed in an insulating liquid and coils are varnish impregnated

  • Range

    10kVA to 1000kVA

  • Voltage

    33kV; 22kV; 11kV; 6.6kV; 3.3kV; 0.433kV

  • Vector Group

    As per IS: 2026 (part 4)

  • Class of insulation

    Class F

  • Cooling

    AN OR ANAF

  • Type

    On load tap changer/ off load tap changer or Off load tap links

  • Frequency

    50 HZ

  • Applicable standard

    IS: 11171/IS: 335/IS: 2066/IS: 3347 OR IEC: 60076