Overhaul

Overhaul

All rotating electric machines are susceptible to damage, wear, and aging resulting either from normal operation or due to external factors.

Appropriate inspection and diagnosis procedures are necessary to determine the condition of each unit so that preventive maintenance or necessary improvements can be scheduled in due course. EM has the Engineering, Technical Specialist, and testing equipment and tools for the Rehabilitation of Generators, including but not limited to:

  • Electromechanical diagnosis utilizing latest – technology equipment
  • Thorugh cleaning of coils and parts
  • Renewal of Anti Corona System
  • Re-Wedging
  • Major maintenance of excitation and field windings
  • Replacement of Electrical and Mechanical Components: Current and Voltage Transformers, RTDs, Bearings, Oil Seals, Oil rings, gaskets, among others
  • Mechanical evaluation and corrections: Bearing tolerances, pedestals, labyrinth seals
  • Reconstruction of Shafts, Journals, Reconstruction of Bearings or Bushings
  • Recovery of flooded generating units
  • Full disassembling and assembling on-site, including the design and manufacture of structural tooling and Accessories
  • Dynamic Balancing