Power and ElectricalTransformer Oil Analysis
Insulating oil carries the earliest evidence of almost every fault that develops inside a transformer, which makes its analysis the cheapest diagnostic available. This course covers reading it properly. Delegates work through oil functions and degradation, the routine physical and chemical tests and what each indicates, and dissolved gas analysis in detail, including the interpretation schemes used to distinguish partial discharge from thermal fault from arcing. Furan analysis and its relationship to paper insulation ageing are covered, alongside sampling technique, which is where most misleading results originate. The course closes on trending, deciding when a result requires action, and the treatment options available for oil that has degraded.
Course objectives
- Explain the functions of insulating oil and how it degrades
- Interpret routine physical and chemical oil test results
- Apply dissolved gas analysis and the main interpretation schemes
- Distinguish partial discharge, thermal fault and arcing from gas ratios
- Use furan analysis to assess paper insulation ageing
- Sample oil correctly and recognise a sampling artefact
- Trend results and decide when a finding requires action
Who should attend
- Electrical and substation engineers
- Condition monitoring and reliability staff
- Laboratory analysts testing insulating oil
- Maintenance technicians
- Asset managers responsible for transformer fleets
Course outline
- 01Oil functions, degradation and contamination
- 02Physical and chemical routine tests
- 03Dissolved gas analysis fundamentals
- 04Interpretation schemes and gas ratios
- 05Partial discharge, thermal fault and arcing signatures
- 06Furan analysis and paper insulation ageing
- 07Sampling technique and avoiding artefacts
- 08Trending, action limits and oil treatment options
Scheduled sessions
| Dates | Venue | Format | Price | Register |
|---|---|---|---|---|
| 13 to 15 October 2026 | Nairobi, Kenya | Classroom | R11,995 per delegate | Register Now |
| 14 to 16 November 2026 | Lilongwe, Malawi | Classroom | R11,995 per delegate | Register Now |
| 13 to 15 December 2026 | Dubai, UAE | Classroom | R11,995 per delegate | Register Now |