Types :
Resistance furnace transformers
Arc furnace transformers
Induction furnace transformers
Submerged arc furnace transformers
Temperature class :
105/ 220 deg. C
Either oil filled or dry type (upto 11 kV)
Features :
Special arrangement of tappings to get a wide range of secondary voltages and LT winding for large LT currents
Either with on-load/ motorised off circuit tap changers
Cooling arrangements like ONAN/ ONAF/ OFWF
 Applications :
Silicon carbide manufacture
Steel melting
Heat treatment
Alumina manufacture