Electrical Substation Maintenance Course
Master transformer and substation maintenance through proven tests, safe switching procedures, OLTC and oil diagnostics, and effective load transfer techniques. Gain the confidence to prevent faults, reduce outages, and ensure the reliability and efficiency of high-voltage networks. This course equips you with essential practical skills for substation upkeep.

4 to 360 hours flexible workload
valid certificate in your country
What will I learn?
This course provides hands-on skills for planning and performing safe, efficient transformer maintenance in substations with minimal disruption to the network. You will master OLTC servicing, relay testing, dissolved gas analysis (DGA), thermography, fault identification, along with precise switching, lockout/tagout (LOTO), permitting, and return-to-service protocols through clear, step-by-step lessons that enhance reliability, minimise 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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