Unlocked by Ergon: Insulating liquids test – lesson #4: Insight into transformer oil sampling, obtaining a reliable oil sample
Hosted by: Marius Grisaru / Intermediate level
This lesson focuses on transformer oil sampling and it emphasizes the importance of obtaining a representative sample without compromising safety. Key points included the need for precise sampling techniques, proper equipment selection, and adherence to standards like ASTM D293 and IEC 60475. Sampling should be done from specific valves, avoiding contamination, and in dry conditions. Technicians should wear protective gear and follow safety protocols. The course highlighted the significance of accurate sampling for transformer health assessment, operational safety, and environmental protection. Proper documentation and adherence to industry guidelines ensure reliable analysis and diagnosis.
Topics of the fourth lesson are:
- Sampling, registering, and transporting oil samples to the lab
- Do's and don'ts before, during, and after oil sampling
- Good practice of sampling procedure
- The correct procedures, timing, vessels, and packaging for insulating oil sampling practices
The content of this lesson is fully vendor agnostic but it is sponsored by Ergon.
About the author
Marius Grisaru
The author – Marius Grisaru is a chemist with expertise in the insulating oil domain, focusing on oil test procedures from sampling to diagnosing. Marius has vast and worldwide experience on sampling, testing, ordering, diagnosing, and debating among fellow experts around the globe.