What types of oil are used in transformers today?

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 鈴木拓真.

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08.02.2026 at 22:15 #3812

Kevin
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What types of oil are used in transformers today?

08.02.2026 at 22:30 #3813

鈴木拓真
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Modern transformers use mineral oil, natural ester oils such as FR3 and Biotemp, synthetic ester oils like MIDEL, and silicone oils. Mineral oil is most common due to cost and performance balance. Ester and silicone oils are selected for higher fire safety, biodegradability, and use in indoor or environmentally sensitive locations.
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