The effect of reduced pressure on the bubble effect in the composite cellulose-insulation oil-water nanodrops

被引：1
|
作者：
Opielak, Marek [1 ]
Rogalski, Przemyslaw [2 ]
机构：
[1] Lublin Univ Technol, Inst Transport Combust Engines & Ecol, Lublin, Poland
[2] Lublin Univ Technol, Dept Elect Devices & High Voltage Technol, Lublin, Poland
来源：
ADVANCED TOPICS IN OPTOELECTRONICS, MICROELECTRONICS, AND NANOTECHNOLOGIES IX | 2018年 / 10977卷
关键词：
water nanoparticles; cellulose; paper and oil insulation; water nanodrops; bubble effect; power transformers; low pressure; MINERAL-OIL; CONDUCTIVITY; TRANSFORMERS; MOIST;
D O I：
10.1117/12.2324860
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：
The article presents the effect of pressure on the bubble effect in moist paper-oil insulation. In order to investigate the influence of pressure on the bubble effect, a measurement stand was made and experiments were carried out on electrotechnical pressboard with a humidity of 3.5%. It was observed that water boiling in pressboard is already present at a pressure of about 500 hPa for a temperature of 21 degrees C which, taking into account the properties of nanoparticles may be evidence of the presence in pressboard nanodrops of water.
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页数：5
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