Title :
Epoxy based materials containing micro and nano sized fillers for improved electrical characteristics
Author :
Fabiani, D. ; Montanari, G.C. ; Krivda, A. ; Schmidt, L.E. ; Hollertz, R.
Author_Institution :
Dept. of Electr. Eng., Univ. of Bologna, Bologna, Italy
Abstract :
In this paper the effect on dc and ac electrical properties of silica nano and micro particles dispersed in epoxy resins is discussed. In particular, space charge, conductivity, dielectric strength and partial discharge resistance is analyzed. The results show that nanostructured materials exhibit smaller space charge accumulation with respect to both base and microfilled materials. Regarding PD resistance, micro + nano filled materials display longer lifetimes with respect to base epoxy resin and materials including nanofillers or microfillers alone.
Keywords :
electric strength; polymer insulators; silicon compounds; space charge; ac electrical properties; conductivity; dc electrical properties; dielectric strength; electrical characteristics; epoxy based materials; micro sized fillers; microfilled materials; nano sized fillers; partial discharge resistance; space charge; Aging; Insulation; Materials; Partial discharges; Resistance; Space charge; Temperature measurement; epoxy resin; partial discharge resistance; space charge;
Conference_Titel :
Solid Dielectrics (ICSD), 2010 10th IEEE International Conference on
Conference_Location :
Potsdam
Print_ISBN :
978-1-4244-7945-0
Electronic_ISBN :
978-1-4244-7943-6
DOI :
10.1109/ICSD.2010.5568089
