What is the dielectric strength test for a transformer?
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September 9, 2024 at 8:26 am by Amir Khan
The dielectric strength test for a transformer is a crucial procedure designed to evaluate the insulation properties of transformer oil. During this test, high voltage is applied to a sample of the oil to determine its ability to withstand electrical breakdown without failing. The measurement obtained indicates the oil’s effectiveness as an insulator, which directly impacts the operational safety and longevity of the transformer. It’s important to ensure that the dielectric strength of transformer oil should be within acceptable limits, typically above 30 kV per centimeter, to prevent premature failure and ensure reliable performance. Globecore offers advanced testing equipment that can precisely measure dielectric strength, helping in the maintenance and monitoring of transformer oil quality.