Uninhibited transformer oil is a type of insulating oil used in electrical transformers that lacks additives to prevent oxidation. This oil is typically refined to high purity levels, ensuring excellent dielectric properties and thermal stability. However, without inhibitors, it is more susceptible to degradation over time when exposed to air and moisture, which can lead to the formation of sludge and reduced performance. Regular maintenance and monitoring are essential to ensure its longevity and effectiveness.
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