What is the breakdown voltage of transformer oil?
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Answers
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Setembro 11, 2024 às 1:38 am by James Shepherd
The breakdown voltage of transformer oil is a critical measure that indicates the oil’s ability to withstand electrical stress without conductive failure. Typically, the breakdown voltage is assessed using a tester, such as the Globecore HV Breakdown Voltage Tester, which applies a standardized electrical voltage and measures the moment of breakdown. The standard minimum breakdown voltage for high-quality transformer oil is usually around 30 kV for a 2.5 mm gap under specified testing conditions. However, it is essential to note that factors such as contamination, moisture content, and oil degradation can significantly impact this value. Regular testing with reliable equipment ensures that transformer oil maintains its insulating properties, safeguarding the efficiency and longevity of electrical transformers.
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