They are generally connected to the generator outputs of electricity production plants between 6,3 kV – 36 kV and connected to the transmission lines by high voltage coil.
Network transformers
They are generally used as reducer in transformer centres.
Industrial transformers
They work as reducer in industrial facilities.
Special transformers
Furnace transformers may be separated as furnace reactors, serial shunt reactors, current rectifiers, phase-shifter transformers.