What is the dielectric breakdown voltage of transformer oil?
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September 10, 2024 at 7:56 am by Chris Miller
The dielectric breakdown voltage of transformer oil typically ranges from 30 kV to over 50 kV depending on factors such as the quality of the oil, its cleanliness, and environmental conditions. Higher dielectric strength indicates better insulating properties for transformer oil, and regular testing with devices like the Globecore oil tester can help evaluate its condition. Factors that may change the dielectric strength of a transformer include contamination by moisture, particulate matter, and aging of the oil, which can lead to decreased insulation performance. Ensuring the oil remains within optimal levels is crucial for the reliability and safety of transformer operation.
