NDLI: Multifactor aging mechanisms on the surface of model post insulators

Content Provider	IEEE Xplore Digital Library
Author	Konig, D. Quint, I.
Copyright Year	1992
Description	Author affiliation: High Voltage Lab., Tech. Univ., Darmstadt, Germany (Konig, D.; Quint, I.)
Abstract	The authors discuss multifactor aging of the surface of post insulators made of epoxy resin, which are stressed simultaneously by high electric field strength and condensation (moisture) layers. Test setups and procedures developed for the application of these stresses and relevant diagnostic tools are presented. In order to simulate indoor conditions special test setups and test procedures based on condensation and cold-fog environment are presented. Investigations show that the appearance of first surface aging effects depend on the characteristics of the droplet layers and the partial field strength stress in the vicinity of the electrodes. The results also show that, for post insulators in service, the lifetime of the surface of the insulation will be in an acceptable range if condensation with low pollution and low electrical field strength stress are present on the surfaces.<>
Starting Page	664
Ending Page	670
File Size	279998
Page Count	7
File Format	PDF
ISBN	0780305655
DOI	10.1109/CEIDP.1992.283142
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1992-10-18
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Aging Stress Dielectrics and electrical insulation Surface contamination Temperature Human factors Plastic insulation Voltage Insulation testing Polymers
Content Type	Text
Resource Type	Article

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