ASTM D924电绝缘液体的损耗因数(或功率因数)和相对电容率(介电常数)的标准试验方法
日期:2012-02-08 11:34
method describes testing of new electrical insulating liquids as well as liquids in service or subsequent to service in cables, transformers, oil circuit breakers, and other electrical apparatus.
1.2 This test method provides a procedure for making referee tests at a commercial frequency of between 45 and 65 Hz.
1.3 Where it is desired to make routine determinations requiring less accuracy, certain modifications to this test method are permitted as described in Sections 16 to 24.
1.4 This standa
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