ASTM D1389薄固体电绝缘材料的保护电压试验用标准试验方法
日期:2012-02-08 16:31
to tests made with power frequency ac voltages, similar equipment and procedures are used for proof-voltage tests using dc voltages. To the extent that it applies to dc tests, this test method can serve as a guide for persons making such tests. However, only tests made with power frequency ac voltages can be said to be in accordance with this test method.
This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of
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