What is the BDV of transformer oil as per IS standards?

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

This topic has 1 reply, 2 voices, and was last updated 4 months, 2 weeks ago by Girolamo Bellocchio.

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02.03.2026 at 09:53 #5889

Olivier
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What is the BDV of transformer oil as per IS standards?

02.03.2026 at 10:16 #5890

Girolamo Bellocchio
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The BDV (Breakdown Voltage) of transformer oil as per IS standards is a critical parameter that indicates the oil’s insulating strength. According to IS 335, the minimum acceptable BDV for transformer oil is typically 30 kV for new oil. This value ensures that the oil can effectively prevent electrical breakdown under operational conditions, maintaining the reliability and safety of power transformers. Regular testing of BDV is essential for monitoring oil quality.
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