Thermal Degradation Phenomena of Flame Resistance Insulating Paper and Oils

被引：21
|
作者：
Saruhashi, Daisuke [1 ]
Bin, Xiang [2 ]
Liu Zhiyuan [2 ]
Yanabu, Satoru [2 ]
机构：
[1] Tokyo Denki Univ, Dept Elect Engn, Chiyoda Ku, Tokyo 1010054, Japan
[2] Xi An Jiao Tong Univ, Xian 710049, Shaanxi, Peoples R China
来源：
IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 2013年 / 20卷 / 01期
关键词：
Silicone oil; Ester oil; Dielectric breakdown; Streaming electrification; Fresh oil; Aging oil; Thermal degradation; Nomex (R); Chemical analysis;
D O I：
10.1109/TDEI.2013.6451349
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In a search for mineral oil substitutes, we focus on silicone and ester oil. These insulating oils are fire-resistant and environmentally friendly. In previous studies, we investigated streaming electrification and dielectric breakdown phenomena in these new oils and found that their performance was similar to or better than that of mineral oil. In the present study, we focus on the thermal degradation of insulating oils. Thermal degradation tests in the presence of a solid insulator and copper carried out for 1000 h at 130 and 180 degrees C. Color changes, chemical analysis and dielectric breakdown characteristics were also investigated during thermal degradation of the insulating oils. We also investigated the mechanical strength of the solid insulator. The characteristics of aged oils were compared with those of fresh oils. Tested silicone oil presents better performance than esters and mechanical characteristics of paper remain unchanged in all resistance liquids.
引用
收藏
页码：122 / 127
页数：6
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