Title :
Streamer formation in perfluoropolyether under impulse conditions
Author :
Yamashita, H. ; Forster, E.O. ; Pompili, M.
Author_Institution :
Dept. of Electr. Eng., Keio Univ., Tokyo, Japan
fDate :
6/1/1993 12:00:00 AM
Abstract :
A family of perfluorinated fluids that recently has become available, called perfluoropolyethers, contain oxygen in addition to fluorine and carbon and are potentially interesting as electrical insulating fluids. A study of their behavior under electrical pulse conditions is reported. Under the prevailing nonuniform field conditions, the breakdown voltage was lower when the needle was a cathode than when it was an anode. The streamer structures and their inception voltages are studied in some detail. The effect of pressure on the streamer structure is evaluated
Keywords :
discharges (electric); electric breakdown of liquids; impulse testing; insulation testing; organic insulating materials; polymers; breakdown voltage; electrical insulating fluids; electrical pulse conditions; inception voltages; perfluorinated fluids; perfluoropolyether; pressure effect; streamer structures; Cathodes; Dielectrics and electrical insulation; Electronics industry; Electrons; Heat transfer; Hydrocarbons; Needles; Physics; Viscosity; Voltage;
Journal_Title :
Electrical Insulation, IEEE Transactions on
