Why is oil used in transformers for insulation and cooling?

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 Arthur Elliott.

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10.02.2026 at 04:35 #4026

Radosław
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Why is oil used in transformers for insulation and cooling?

10.02.2026 at 04:50 #4027

Arthur Elliott
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Oil provides excellent electrical insulation, fills voids to prevent arcing, and efficiently transfers heat from windings and core to cooling surfaces. This enables compact design and reliable high-voltage operation.
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