Title :
High temperature modification of XLPE exposed to partial discharges
Author :
Gamez-Garcia, M. ; Bartnikas, R. ; Wertheimer, M.R.
Author_Institution :
Condumex Res. Center, Mexico City, Mexico
Abstract :
Results of surface degradation studies of XLPE (cross-linked polyethylene) under corona discharges at elevated temperature are presented. Corona was applied for durations up to 24 hr, during which time the sample temperature was maintained constant at a selected value between 20°C and 160°C. Corona pulse-height distributions were monitored during the exposure period using a multichannel analyzer. After corona treatment, the specimens were analyzed by several physical and chemical techniques. Results on the evolution of reaction products and on surface and bulk oxidation are presented
Keywords :
corona; electric breakdown of solids; organic insulating materials; oxidation; partial discharges; polymers; surface treatment; 20 to 160 degC; XLPE; corona discharges; cross-linked polyethylene; oxidation; pulse-height distributions; surface degradation; Chemical analysis; Corona; Degradation; Monitoring; Oxidation; Partial discharges; Polyethylene; Surface discharges; Surface treatment; Temperature;
Conference_Titel :
Conduction and Breakdown in Solid Dielectrics, 1989., Proceedings of the 3rd International Conference on
Conference_Location :
Trondheim
DOI :
10.1109/ICSD.1989.69220
