Three-phase Transformer Course
Master three-phase transformers from 33 kV to 132 kV. Learn design, vector groups, sizing, protection, one-line diagrams, and field checks so you can specify, commission, and operate substation transformers with confidence and safety.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
The Three-phase Transformer Course gives you practical skills to select, size, connect, protect, and commission three-phase transformers from 33 kV to 132 kV. Learn power system fundamentals, vector groups, tap changers, fault calculations, one-line design, relay coordination, and field testing so you can design, specify, and operate reliable, safe, and efficient transformer installations with confidence.
Elevify advantages
Develop skills
- Size three-phase transformers: apply MVA, kV and current formulas on the job.
- Read substation one-lines: interpret symbols, power flow and switching paths fast.
- Configure vector groups: choose delta or wye links for grounding, faults and harmonics.
- Set transformer protection: pick CT/PT ratios, relay pickups and fault limits quickly.
- Run field checks: perform phasing, polarity, oil and insulation tests before energizing.
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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