DocumentCode
2127858
Title
Effect of ultrasonic stress on insulating fluids
Author
Darian, Leonid A. ; Arakelian, Vadim G. ; Gourkovskaia, Elena A.
Author_Institution
Electrotech. Inst., Moscow, Russia
fYear
1997
fDate
22-25 Sep 1997
Firstpage
553
Lastpage
556
Abstract
The cavitational mechanism of ageing takes place in operating oil-filled electric equipment under the influence of an alternating or pulsing voltage in addition to thermal and electrical mechanisms. A number of experimental and theoretical arguments in defense of the cavitational mechanism of electrical insulation ageing are presented. An estimation is given of the possibility of the decomposition of insulating fluids under operating conditions due to cavitation. A rapid method is proposed for comparison of resistance of insulating fluids to gasification (gassing), based on the effect of cavitational degradation of insulation
Keywords
acoustic applications; ageing; cavitation; insulating oils; insulation testing; ultrasonic applications; ultrasonic effects; ageing; alternating voltage; cavitational mechanism; electrical insulation ageing; gasification resistance; gassing; insulating fluids; pulsing voltage; ultrasonic stress;
fLanguage
English
Publisher
ieee
Conference_Titel
Electrical Insulation Conference, 1997, and Electrical Manufacturing & Coil Winding Conference. Proceedings
Conference_Location
Rosemont, IL
ISSN
0362-2479
Print_ISBN
0-7803-3959-2
Type
conf
DOI
10.1109/EEIC.1997.651246
Filename
651246
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