Detection of short-circuits in the rotor winding

Duration49 min.

It is estimated that 50% of the Generators worldwide may have one or more short-circuits between the rotor winding coils. The current situation of the electrical system and its impact on the operating conditions of Electrical Generators, characterised by a high thermal cycle, favour the appearance of short-circuits in the rotor windings. This is why measuring, monitoring and analysing the data is of vital importance in order to prevent premature degradation of the asset and possible failures that are expensive to repair.

Subjects of the session

  • Detection technique and Associated theory.
  • Causes and effects of short-circuits in the rotor winding (examples).
  • Considerations for planning the measurement and procedure.
  • Data analysis.
  • Online measuring and monitoring equipment.
  • Case study analysis.

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