GB/T 507-2002
ActiveInsulating liquids--Determination of the breakdown voltage at power frequency
绝缘油 击穿电压测定法
Application Summary AI generated
This standard specifies the method for determining the breakdown voltage of insulating liquids, such as transformer oil, under power frequency conditions. It is primarily applied in the electrical power industry for quality control and acceptance testing of insulating oils used in transformers, switchgear, and other high-voltage equipment. The test ensures the dielectric strength of the liquid is sufficient to prevent electrical failure during operation.
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