Partial discharge phenomena and their causes in stator windings
PD theory, PD detection, sensor installation, and calibration procedures
Collection of off-line and on-line PD data
PD characteristics of stator-failure mechanisms
Case studies from continuous monitoring equipment and portable instruments
Stator Core Testing
Instructor: Mladen Sasic
Topics covered:
Stator core design basics
Basic Principles of ELCID testing (safety, calculations)
ELCID Test Procedures (turbo, hydro and motors, step iron, split areas, rotor bars test
Case Histories on Vibration Monitoring to Diagnose Mechanical Faults in Induction Motors
Instructor: Bill Thomson, Scotland, UK
Topics Covered:
Introduction to the types of roller element and sleeve bearings and types of faults.
Industrial case histories on the measurement and analysis of vibration to diagnose:
Faults in roller element and sleeve bearings in small, medium and high power induction motors.
Misalignment and Soft foot.
The seminar will be valuable to electrical and mechanical engineers responsible for the operation, maintenance and condition monitoring of induction motor drive
Thursday May 10th
Advance Partial Discharge Interpretation
Instructor: Greg Stone
Topics covered:
PD interpretation one step further with pulse density linear plots to identify cross-coupled PD activity
phase to phase activity, and general pulse phase pattern recognition
behavior of PD activity over time
defining reliable alerts based on PD activity
Advanced Summary Numbers (ASN) and their diagnostic value
PD interpretation on data where two or more different types of failure mechanisms are present
Stator Endwinding Vibration: Causes, Off-line Tests and On-line Monitoring
Instructor: John Letal
Topics covered:
Introduction to vibration
Turbo Generator design considerations
Forces in stator winding
Failure mechanisms
Offline testing
Online monitoring
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