Influence of ultrasound on the electrical breakdown of transformer oil

被引:0
|
作者
Isakaev, E. Kh [1 ]
Tyuftyaev, A. S. [1 ]
Gadzhiev, M. Kh [1 ]
Demirov, N. A. [1 ]
Akimov, P. L. [1 ]
机构
[1] Russian Acad Sci, Joint Inst High Temperatures, Izhorskaya 13,Bldg 2, Moscow 125412, Russia
基金
俄罗斯科学基金会;
关键词
D O I
10.1088/1742-6596/946/1/012175
中图分类号
O59 [应用物理学];
学科分类号
摘要
When the transformer oil is exposed to low power ultrasonic waves (<2 W/cm(2)) at initial moment the breakdown voltage of transformer oil is reduced relative to the breakdown voltage of pure oil due to degassing and the occurrence of cavitation bubbles. With the increase of sonication time the breakdown voltage also increases, nonlinearly. The experimental data indicate the possibility of using ultrasonic waves of low power for degassing of transformer oil.
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页数:3
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