Electrical Substation Maintenance Course
Master transformer and substation maintenance through proven tests, safe switching procedures, OLTC and oil diagnostics, and effective load transfer strategies. Gain the confidence to prevent faults, reduce outages, and maintain reliable, efficient high-voltage networks with practical, step-by-step guidance.

4 to 360h flexible workload
certificate valid in your country
What will I learn?
This course equips you with hands-on skills for safe, efficient electrical substation maintenance, focusing on transformer care, OLTC servicing, relay testing, DGA, thermography, fault detection, switching, LOTO, permitting, and service restoration to enhance reliability and minimize downtime.
Elevify advantages
Develop skills
- Transformer maintenance planning: apply proven preventive routines and test intervals.
- Protection testing mastery: perform relay, CT/PT, and SCADA checks with confidence.
- Diagnostic testing skills: run DGA, PD, IR, and thermography for fast fault detection.
- Safe switching operations: execute LOTO, grounding, and 132/33 kV outage sequences.
- Load transfer strategies: shift demand and restore service with minimal network impact.
Suggested summary
Before starting, you can change the chapters and the 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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