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
Specific Features
Designed for trouble-free performance during surges & frequent short circuits
Design conforms to Indian / International standards
High current at low voltages
Designed to withstand electrical impulses and thermal and dynamic stresses
Optimum utilization of active materials for compactness
Modern manufacturing techniques ensure cost effectiveness, reliability and a long trouble-free performance
Specifications
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
