Three-Phase Transformer Course
This course equips you with vital skills for three-phase transformers from 33 kV to 132 kV, covering design principles, vector groups, sizing calculations, protection schemes, one-line diagrams, and field testing procedures. Build confidence to specify, commission, and operate substation transformers safely and efficiently, ensuring optimal performance and reliability 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 analysis, one-line diagrams, relay coordination, and on-site testing to confidently design, specify, and manage safe, reliable transformer systems in substations.
Elevify advantages
Develop skills
- Size three-phase transformers using MVA, kV, and current formulas effectively.
- Interpret substation one-line diagrams, symbols, power flow, and switching paths swiftly.
- Select and configure vector groups like delta or wye for grounding, fault handling, and harmonics control.
- Set up transformer protection including CT/PT ratios, relay settings, and fault thresholds accurately.
- Conduct essential field tests such as phasing, polarity, oil analysis, and insulation checks prior to energization.
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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