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AC traction feeder transformers

AC traction feeder transformers are used between normal three-phase AC networks and single-phase catenary systems. They are often equipped with an on-load tap changer (OLTC). Their strong structure is specially designed to resist repeated short circuits during the operation, which are common in electric railways.

Product scope:

  • High voltage up to 400 kV
  • Power ratings: usually 7.5 - 25 MVA, up to 60 MVA in Europe

Why ABB?

  • Compactly designed, low weight transformers
  • High quality manufacturing and design optimization supports required short circuit withstand capability
  • Global manufacturing footprint provides expertise on specific local technical requirements and standards

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