Electrical Substation Maintenance Course
Master transformer and substation maintenance through proven tests, safe switching procedures, OLTC and oil diagnostics, alongside smart load transfer techniques. Gain the confidence needed to prevent faults, reduce outages, and ensure high-voltage networks remain reliable and efficient. This course equips you with practical skills for field success.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
This course delivers hands-on skills for planning and carrying out safe, efficient transformer maintenance in substations, minimising network disruptions. You'll master OLTC servicing, relay testing, DGA analysis, thermography, fault identification, plus switching protocols, LOTO, permitting, and return-to-service steps. Step-by-step lessons enhance reliability, slash downtime, and empower solid on-site choices.
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 are saying
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