Upon completion of this course, participants will be able to understand the theoretical fundamentals of power transformers, as well as perform maintenance and effectively troubleshoot both power transformers and auxiliary transformers.
Power Services
Power & Auxiliary Transformers Maintenance & Troubleshooting
Level
Expert
Course Modules
Course topics cover:
Safety precautions for transformer maintenance and troubleshooting.
Construction of power and auxiliary transformers.
Transformer mechanical signals.
Transformer online monitoring systems.
Preventive maintenance activities for transformers and their recommended frequency.
Proper use of test equipment for transformer testing and maintenance.
Testing of power and auxiliary transformers, including:
Turns ratio.
Vector group.
Magnetic balance.
Winding and insulation resistance.
Polarization index.
Magnetizing current.
Tan delta of transformer windings.
Tan delta of bushings.
Zero-sequence impedance.
Oil dielectric strength.
Oil analysis tests.
