涉及热升级牛皮纸的热故障

H. Wilhelm, P. Fernandes, L. Feitosa, G. C. dos Santos, C. Galdeano, Daniel Aroucha Filho, Arley Mar, Marcelo Ribeiro, P. J. S. Santos Junior
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引用次数: 1

摘要

在不同温度条件下,对热升级牛皮纸在绝缘油中的加速降解进行了研究。在我们的老化方法中,纸张从100°C加热到400°C,而矿物绝缘油的温度保持在60°C以下,以避免油老化。分析了溶解气体(DGA),并确定了该过程中产生的其他纤维素热副产物,以建立一个新的工具来帮助诊断涉及绝缘纸的早期热故障。
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Thermal Faults Involving Thermally Upgraded Kraft Paper
In this study thermally upgraded kraft paper was degraded in insulating oil in accelerated conditions, at different temperatures. In our aging method the paper was heated from 100 to 400 °C but the mineral insulating oil temperature was maintained below to 60 °C, to avoid oil aging. Dissolved gases were analyzed (DGA) and other cellulose thermal byproducts that result from the process were also determined in order to build a new tool to help diagnose incipient thermal faults involving insulating paper.
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