ASTM D1934作为电绝缘材料的氮气的标准规范
日期:2012-02-10 10:24
nd Test Method D 664.
1. Scope
1.1 This test method describes two procedures for subjecting electrical insulating oils to oxidative aging:
1.1.1 Procedure A , without a metal catalyst, and
1.1.2 Procedure B , with a metal catalyst.
1.2 This test method is applicable to oils used as impregnating or pressure media in electrical power transmission cables if less than 10% of the oil evaporates during the aging procedures. It applies and is generally useful primarily in the evaluation and quality
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