Syllabus
Principles of variable speed drives applied to electrical machines – Reliability of Machines and typical failure rates – Need for Condition Monitoring – Methodologies. Faults in induction and synchronous machines – stator, rotor, bearing, eccentricity, demagnetization. Modeling of electrical machines – winding function approach, magnetic equivalent circuit method.
Analysis of faults using finite element method – geometric modelling, analysis of airgap flux density, Fault diagnosis techniques based on frequency domain – vibration, current, power and flux, Fault diagnosis techniques based on model-based techniques.
Application of pattern recognition to fault diagnosis, Digital signal processing requirements for fault diagnosis, Application of artificial intelligence techniques for fault diagnosis.