NDLI: Accelerated Ageing Test of Non-Ceramic Insulation

Content Provider	IEEE Xplore Digital Library
Author	Hernandez, R. Ramirez, I. Lopez, F.A. Saldivar, R. Montoya, G. Rodriguez, R.
Copyright Year	2008
Description	Author affiliation: Comision Fed. de Electr., Mexico City (Rodriguez, R.) \|\| Inst. de Investig. Electr., Cuernavaca (Hernandez, R.; Ramirez, I.; Lopez, F.A.; Saldivar, R.; Montoya, G.)
Abstract	The paper presents the evaluation on accelerated ageing of non-ceramic insulation used at outdoor substations. The insulation was evaluated inside a salt fog chamber by applying cycles of salt fog, clean fog, drying, UV radiation and constant voltage. The insulation of two polymeric housed surge arresters and two polymeric bushings was evaluated. An arrester and a bushing were polluted with kaolin during all the evaluation. The insulation was subjected to over 5000 hours of ageing. Every 2500 hours, the insulation performance was evaluated by the leakage current, corona and electric field techniques. During the evaluation, evidence of tracking, erosion or puncture was observed on the insulation. These results show that this accelerated ageing test can be considered as a useful design test, in order to demonstrate deficiencies of bushing and surge arrester material and design.
Starting Page	268
Ending Page	271
File Size	3050720
Page Count	4
File Format	PDF
ISBN	9781424425488
DOI	10.1109/CEIDP.2008.4772877
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-26
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Accelerated aging Life estimation Insulation testing Arresters Insulators Polymers Surges Materials testing Substations Voltage
Content Type	Text
Resource Type	Article

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