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