Transformers are designed for induction furnace, arc furnace; submerged arc furnace application
Magnetic circuit – CRGO silicon steel lamination
Electric circuit – electrolytic grade 99.9% pure copper with transposition in LV coil for current sharing in parallel conductors
Dielectric circuits – electric grade press paper, boards and mineral oil
Thermal circuit – adequate cooling ducts are provided radially; axially for the smooth flow of oil internally. Radiators cooling banks are provided for natural air cooling ONAN; additional fans for ONAF cooling. High current transformers are provided with OFW cooling
Specifications
Vacuum impregnated and cast resin dry type distribution transformer
3 phase, 50 Hz in voltages of 11kV, 22kV & 33kV
Off-circuit tap changer to provide any range as per standards
On load tap changer to provide any range as per standards
Class A, uniform/non-uniform insulated
Any vector group as per standards
Duty cycle as per standards
Painting as per Indian / International standards
Both HV & LV side outdoor bushings or cable boxes
Cooling oil to water heat exchanger, radiators / fans.
Fittings as per Indian / International standards
Optional Accessories
Winding temperature indicator and oil temperature indicator with remote indication