
White Paper
Relative Saturation vs PPM in Transformer Oil
Why RS% provides a more realistic indication of moisture risk than ppm alone.
May 10, 2025 · 12 min read

Technical resources for transformer moisture management
Explore white papers, technical guides, standards, application notes, manuals, and tools designed to help engineers understand moisture behavior, improve insulation reliability, and make better decisions.

Why RS% provides a more realistic indication of moisture risk than ppm alone.

Understand the dynamic relationship that drives moisture migration in transformers.

Mechanism, influencing factors, and moisture limits to reduce bubble formation risk.

The science behind dielectric strength reduction and its impact on insulation reliability.

A practical guide to understanding DGA gases and fault diagnosis in transformers.
