2016 Volume 136 Issue 7 Pages 464-465
Electrical treeing determines lifetime of solid insulating media in power equipment. A non-destructive observation method in non-transparent sample is needed to evaluate propagation of electrical trees. In this paper, we report observation results of electrical trees in unfilled and filled epoxy by X-ray phase contrast imaging.
The transactions of the Institute of Electrical Engineers of Japan.A
The Journal of the Institute of Electrical Engineers of Japan