NDLI: Space charge measurements on different epoxy resin-alumina nanocomposites

Content Provider	IEEE Xplore Digital Library
Author	Magraner, F. García-Bernabé, A. Gil, M. Llovera, P. Dodd, S.J. Dissado, L.A.
Copyright Year	2010
Description	Author affiliation: Instituto de Tecnología Eléctrica-, Universidad Politécnica de Valencia, Valencia, Spain (Llovera, P.) \|\| Energy Technological Institute, Valencia, Spain (Magraner, F.; García-Bernabé, A.; Gil, M.) \|\| Dept. of Engineering, University of Leicester, Leicester, UK (Dodd, S.J.; Dissado, L.A.)
Abstract	Recently a number of papers have reported enhanced electrical (ageing and breakdown) performance of nano-composites when compared to the properties of the base resin material. The physical reasons for this improvement are the subject of many current studies and have yet to be fully formulated. In this work, the build-up and decay of space charge in epoxy resin materials, containing nano-particles of alumina of various concentrations, 0.5% to 2% was investigated during the application of DC voltage and after voltage removal. Space charge profiles in thin film samples were investigated using the Pulsed Electro-Acoustic (PEA) technique. The results were compared with the space charge behavior of the unfilled resin and for the 1% nano-filled resin with differing levels of absorbed moisture. The results demonstrate that the space charge behavior is dominated by the properties of the host resin. However, the accumulation of positive charge at the anode is affected by the concentration of filler particles. The results also demonstrate the importance of controlling the amount of absorbed moisture in the samples as this governs the dynamics of the charge build-up and decay in the samples.
Starting Page	1
Ending Page	4
File Size	147380
Page Count	4
File Format	PDF
ISBN	9781424479450
e-ISBN	9781424479443
e-ISBN	9781424479436
DOI	10.1109/ICSD.2010.5568087
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-04
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Space charge Charge measurement Moisture Voltage measurement Resins Insulation nano-filler nanocomposite space charge epoxy resin alumina
Content Type	Text
Resource Type	Article

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