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 confidence to prevent faults, reduce outages, and ensure reliability and efficiency of high-voltage networks. This course equips you with essential practical skills for substation operations.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
Acquire hands-on skills to plan and perform safe, efficient maintenance on transformers in substations, minimising disruptions to the power network. Master OLTC servicing, relay testing, dissolved gas analysis (DGA), thermography, fault identification, along with switching protocols, lockout-tagout (LOTO), permitting processes, and return-to-service steps through structured, practical lessons that enhance reliability and reduce 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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