Why is interfacial tension an important parameter of transformer oil?

Tagged: answer, FAQ, oil, question, transformer, transformer oil

This topic has 1 reply, 2 voices, and was last updated 5 months, 1 week ago by Galasso Guidone.

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08.02.2026 at 10:14 #3728

Gioele
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Why is interfacial tension an important parameter of transformer oil?

08.02.2026 at 10:28 #3729

Galasso Guidone
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Interfacial tension indicates the presence of polar contaminants and oil degradation products. A declining interfacial tension value signals oxidation, sludge formation risk, and insulation aging. Monitoring this parameter helps assess oil condition and determine the need for filtration, regeneration, or replacement.
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