A.    Overview of transformers and their role in electrical systems
B.    Transformer types and applications
C.     Basic principles of transformer operation

A.    Importance of preventive maintenance
B.    Reactive vs. proactive maintenance approaches
C.     Developing a maintenance plan and schedule
D.    Best practices for transformer maintenance

A.    Insulation testing and condition assessment.
B.    Dissolved gas analysis (DGA) and interpretation.
C.     Thermography and infrared inspections.
D.    Partial discharge detection and monitoring.

A.    Common transformer faults and failures.
B.    Techniques for fault identification and analysis.
C.     Remedial actions and repairs.
D.    Transformer failure case studies.

A.    Understanding electrical hazards associated with transformers.
B.    Personal protective equipment (PPE) requirements.
C.     Lockout/tagout procedures.
D.    Fire prevention and extinguishing methods.

A.    Transformer cleaning and inspection.
B.    Oil sampling and analysis.
C.     Bushing maintenance and replacement.
D.    Tap changer maintenance and adjustment.

A.    Main Reasons of Transformer Winding & Core Failure
B.    Assessment of possible Winding & Core Damage
C.     Need and Importance for Transformer Turns Ratio Measurement:
D.    Need & Importance of the Excitation Current Test
E.     Phase Angle Deviation Test
F.     Vector Group Test
G.    Polarity Test
H.    Magnetic Balance Test
I.       Interpretation of Results of Transformer Testing
J.       Turns Ratio/Voltage Ratio & Error
K.     Magnetic Balance Test
L.      Conclusion