
Dissolved Gas Analysis: Science, Engineering, or Art?
The issue lies in considering DGA as an art instead of a science. The distinction between art and science often revolves around their different goals, methods, and nature.
by Marius Grisaru

Dissolved Gas Analysis (DGA) has become one of the most important tests for oil-filled electrical equipment over the last few decades. The reasons for this are diverse, and some are described in this paper. Concomitantly, DGA is considered by authoritative literature, including IEEE C57.104, as an art. This perspective suggests a wide knowledge gap: some users consider DGA a special competence that requires unique skills.
It would seem that energizing and maintaining major grid components depends on a kind of witchcraft, similar to alchemy in medieval times. Attempts to use AI (artificial intelligence) as an assistant technology for diagnosing DGA may increase the mystery and user frustration.
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