NDLI: Fundamental investigations on the influence of temperature and water content on the electrical behavior of fluid impregnated insulating papers

Content Provider	IEEE Xplore Digital Library
Author	Dumke, K. Borsi, H. Gockenbach, E.
Copyright Year	1996
Description	Author affiliation: Schering Inst. of High Voltage Tech. & Eng., Hannover Univ., Germany (Dumke, K.)
Abstract	This paper deals with fundamental investigations on the electric strength of liquid impregnated insulating papers namely aramid paper and cellulosic paper. These investigations point out that the breakdown voltage at 20/spl deg/C of the two papers does not differ significantly. However their electric strength differs significantly at higher temperatures. Best results regarding the lifetime can be achieved by using ester liquid impregnated aramid paper. Therefore the combination of aramid and ester liquid proves to be more than an adequate substitute for mineral oil impregnated cellulosic paper. Finally the correlations between the water content of the impregnating liquid and the water content of the paper show that using ester liquid diminishes the water inside the insulating paper.
Starting Page	542
Ending Page	545
File Size	403227
Page Count	4
File Format	PDF
ISBN	0780335317
ISSN	1089084X
DOI	10.1109/ELINSL.1996.549402
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-06-16
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Temperature Dielectric liquids Power transformer insulation Oil insulation Dielectrics and electrical insulation Minerals Thermal resistance Petroleum Water Silicon
Content Type	Text
Resource Type	Article

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