ASTM D7150测定低温热应力下绝缘液体放气特性的标准试验方法
日期:2012-02-08 11:09
that allows oxygen to contact the oil or one that is sealed from the outside atmosphere. Oils sparged with air generally produce much more hydrogen as a percentage of the total combustible gas content as compared to oils sparged with nitrogen as these produce more hydrocarbons in relation to hydrogen.
1. Scope
1.1 This test method describes the procedures to determine the low temperature (120C) gassing characteristics of insulating liquids specifically and without the influence of other electri
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