Three-Phase Transformer Course
Gain mastery over three-phase transformers from 33 kV to 132 kV. The course covers design principles, vector groups, sizing methods, protection schemes, one-line diagrams, and field inspections, empowering you to specify, commission, and run substation transformers safely and effectively with full assurance.

flexible workload from 4 to 360h
valid certificate in your country
What will I learn?
This course equips you with hands-on skills to choose, size, wire, safeguard, and activate three-phase transformers rated 33 kV to 132 kV. Gain knowledge in power basics, vector groups, tap changers, fault analysis, one-line drawings, relay settings, and on-site testing to confidently design, procure, and manage safe, reliable transformer setups.
Elevify advantages
Develop skills
- Size three-phase transformers using MVA, kV, and current calculations in real work.
- Interpret substation one-line diagrams for symbols, power flow, and switching routes swiftly.
- Select vector groups like delta or wye for handling grounding, faults, and harmonics.
- Configure protection settings including CT/PT ratios, relay thresholds, and fault boundaries.
- Conduct field tests for phasing, polarity, oil quality, and insulation prior to startup.
Suggested summary
Before starting, you can change the chapters and workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
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