Product line

Power Transformers

Power transformers and autotransformers of up to 500 MVA rated power and 420 kV rated voltage with on-load and off-load tap-changing. Step up transformers of up to 500 MVA rated power and up to 420 kV rated voltage.

Catalog.pdf

Distribution Transformers

Oil-immersed distribution transformers of up to 2500 kVA rated power and up to 36 kV rated voltage, with a conservator or hermetically sealed.
Environment-friendly power transformers of up to 2500 kVA rated power and up to 36 kV rated voltage, filled with environment-friendly, bio-degradable and uninflammable insulating liquid.
Dry-type transformers without dielectric fluid of up to 3150 kVA rated power and up to 36kV rated voltage, thermal insulation class »F«, suitable for installing in closed spaces.

Catalog.pdf

Special Transformers

To meet industrial demands, KOLEKTOR ETRA d.o.o. also manufactures special transformers:

• furnace transformers with on-load tap-changing for arc furnaces
• furnace transformers with off-load tap changing (for induction furnaces)
• rectifier transformers
• transformers for electric traction
• grounding transformers for the neutral point earthing
• short-circuit current-limiting reactors