EN IEC 60599:2022
Current
The latest, up-to-date edition.
Mineral oil-filled electrical equipment in service - Guidance on the interpretation of dissolved and free gases analysis
01-07-2022
This document describes how the concentrations of dissolved gases or free gases can be interpreted to diagnose the condition of oil-filled electrical equipment in service and suggest future action.This document is applicable to electrical equipment filled with mineral insulating oil and insulated with cellulosic paper or pressboard-based solid insulation. Information about specific types of equipment such as transformers (power, instrument, industrial, railways, distribution), reactors, bushings, switchgear and oil-filled cables is given only as an indication in the application notes.This document can be applied, but only with caution, to other liquid-solid insulating systems.In any case, the indications obtained are given only as guidance with resulting action undertaken only with proper engineering judgment.
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