Motors & generators (mechanical aspects)

Design/Project Engineering & Execution Phase

  1. Bid review, selection, specifications.
  2. Mechanical design appraisals (hardware design and construction).
  3. Rotordynamics design appraisals (lateral, torsional).
  4. Motor/generator assembly inspection and shop testing.
  5. Refurbishment/Upgrade.
  6. Installation & commissioning and performance examination during warrantee period.

Operational Phase

  1. Reliability & Mission time (extension studies).
  2. Performance gap/stretch studies.
  3. Motor/generator malfunctions diagnosis and cure (bar crack, insulation, vibration, air gap, noise, thermal signature etc.).
  4. Best practices of motor/generator condition monitoring (mechanical aspects), operation and maintenance.
  5. Condition-based inspection & maintenance schemes and decisions.
  6. Pro-active performance appraisals of key parameters during steady state/transient modes.
  7. On/off-lines condition monitoring schemes.
  8. Root cause investigation of distressed components, failure and restoration (insulation damage, end ring crack, bar crack, core, shaft, bearings, seals, frame distortion).
  9. Rotor balancing (high speed and low speed).
  10. Review/improvement of supervisory instrumentation.
  11. Life cycle cost & remaining life assessment.