Three-Phase Transformer Course
This course equips you with comprehensive skills for three-phase transformers from 33 kV to 132 kV, covering design principles, vector groups, sizing calculations, protection schemes, one-line diagrams, relay coordination, and field testing procedures. You'll learn to specify, commission, and operate substation transformers safely and reliably, ensuring optimal performance and minimising risks in power systems.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
Gain hands-on expertise in selecting, sizing, connecting, protecting, and commissioning three-phase transformers rated 33 kV to 132 kV. Master essentials like power system basics, vector groups, tap changers, fault calculations, one-line diagrams, relay coordination, and field testing to confidently design, specify, and manage safe, efficient transformer setups in substations.
Elevify advantages
Develop skills
- Size three-phase transformers using MVA, kV, and current formulas for practical applications.
- Interpret substation one-line diagrams, including symbols, power flow, and switching paths efficiently.
- Select and configure vector groups like delta or wye for effective grounding, fault handling, and harmonic control.
- Set up transformer protection systems, choosing CT/PT ratios, relay settings, and fault thresholds accurately.
- Conduct essential field tests such as phasing, polarity, oil analysis, and insulation checks prior to energisation.
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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