Title :
Artificial vented void partial discharge degradation of Muscovite mica
Author :
Paterson, Jason ; Shields, Andrew J. ; Hepburn, Donald M.
Author_Institution :
Glasgow Caledonian Univ., Glasgow, UK
Abstract :
This paper compares Muscovite mica in the natural condition with identical Muscovite mica that has undergone exposure to 1, 2 and 3hours of 3kV AC stressing with an artificial vented voids in air. Analysis of partial discharge characteristics over the stressing time and correlation to surface disruption is presented. Atomic Force Microscopy, (AFM) Energy Dispersive X-ray Analysis, (EDAX) and Scanning Electron Microscopy (SEM) Analytical tools were used to examine the resulting changes in surface topography and chemical composition of stressed material in both void regions. Electrical discharge data relating to each electrical stressing time period was acquired using P-Q-N phase resolved data capture equipment.
Keywords :
X-ray chemical analysis; atomic force microscopy; mica; partial discharges; scanning electron microscopy; AC stress; AFM; EDAX; Muscovite mica; SEM; artificial vented void partial discharge degradation; atomic force microscopy; energy dispersive X-ray analysis; scanning electron microscopy; surface disruption; time 1 hour; time 2 hour; time 3 hour; voltage 3 kV; Discharges (electric); Fault location; Insulation; Partial discharges; Stress; Surface topography; Atomic Force Microscopy; Energy Dispersive X-ray Analysis; Mica; Partial Discharge;
Conference_Titel :
Universities Power Engineering Conference (UPEC), 2012 47th International
Conference_Location :
London
Print_ISBN :
978-1-4673-2854-8
Electronic_ISBN :
978-1-4673-2855-5
DOI :
10.1109/UPEC.2012.6398691
