Earthing transformers (ETR) and internal services transformers

Transformers of this type are used to create an artificial neutral in electrical distribution networks.

Characteristic parameters:

  • Mains voltage: 6 kV to 52 kV
  • Rated power: 200 to 8,000 kVA
  • Connection group: Zn, ZnYn 11 or other options depending on the beneficiary’s request
  • Auxiliary winding power: 50 kVA to 1500 kVA

Standard transformers are sealed, with corrugated tank walls.

Large transformers can be equipped with DIN radiators, conservator and Bucholtz relay.

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