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ASTM D2477在工业用电频率时绝缘气体介电击穿电压和介电强度标准测试方法
日期:2012-02-10 10:51
pendix.
1. Scope
1.1 This test method covers the determination of the dielectric breakdown voltage and dielectric strength of insulating gases used in transformers, circuit breakers, cables, and similar apparatus as an insulating medium. The test method is applicable only to gases with boiling points below room temperature at atmospheric pressure.
1.2 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety concerns, i

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