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Core type transformers

Although transformers come in a variety of sizes and configurations, they consist of two main components: the core, which is made of high-permeability, grain-oriented, silicon electrical steel, layered in pieces; and windings, which are made of copper conductors wound around the core, providing electrical input and output. Two basic configurations of core and windings exist, the core form and the shell form.

In a core-type power, cylindrical legs windings cover the core leg

Product scope for core type transformers

  • Unit ratings: up to 1,500 MVA
  • Primary voltage: up to 1,000 kV
  • Secondary voltage defined by generator voltage
  • Load tap changers available
  • Single-phase or three-phase

Why ABB for core type transformers?

  • ABB track record of 1,400+ units delivered since 1995
  • Short-circuit performance at twice the industry standard
  • Proven track record in meeting customer performance requirements (ask for ABB’s test floor failure statistics)
  • 12 factories, one global approach – bringing consistency, delivery performance and technology

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