Electrical Substation Maintenance Course
Master transformer and substation maintenance using proven tests, safe switching procedures, OLTC and oil diagnostics, and effective load transfer techniques. Gain the confidence to prevent faults, reduce outages, and ensure reliable, efficient high-voltage networks. This course delivers practical skills for planning and executing maintenance with minimal disruption.

4 to 360 hours flexible workload
valid certificate in your country
What will I learn?
Acquire hands-on skills to plan and perform safe, efficient transformer maintenance in substations, minimising network disruptions. Master OLTC servicing, relay testing, DGA analysis, thermography, fault identification, switching protocols, LOTO, permitting, and return-to-service steps through clear, step-by-step lessons that enhance reliability, reduce downtime, and enable assured on-site decisions.
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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