What is the minimum dielectric strength of transformer oil?

Answers

  • September 7, 2024 at 7:25 am by Haruto Tanaka

    The minimum dielectric strength of transformer oil is generally considered to be at least 30 kV/mm. It is essential to maintain this level to ensure safe and efficient operation of transformers. Regular testing for dielectric strength, commonly done through a transformer oil BDV test, helps to identify any degradation or contamination that could compromise the oil’s insulating properties. This test measures the breakdown voltage of the oil under specific conditions, ensuring that it meets industry standards.

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