History and bibliography of polymeric insulators for outdoor applications

Hall, J.F.

doi:10.1109/61.180359

Cited by 150 publications

(46 citation statements)

References 47 publications

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“…Since their introduction in the 1960s, silicone rubbers (SRs) have steadily gained market share from porcelain and glass as outdoor insulation and protective materials (1)(2)(3). The SR used in these applications is almost exclusively based on poly(dimethyl siloxane) (PDMS).…”

Section: Introductionmentioning

confidence: 99%

Surface Modification of Sylgard-184 Poly(dimethyl siloxane) Networks by Ultraviolet and Ultraviolet/Ozone Treatment

Efimenko

Wallace

Genzer

2002

Journal of Colloid and Interface Science

687

571

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Section: Introductionmentioning

confidence: 99%

Surface Modification of Sylgard-184 Poly(dimethyl siloxane) Networks by Ultraviolet and Ultraviolet/Ozone Treatment

Efimenko

Wallace

Genzer

2002

Journal of Colloid and Interface Science

687

571

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“…High temperature vulcanizing (HTV) silicones have improved mechanical strength over RTV's and are employed as material for insulator sheds, especially for transmission class suspension insulators, bushing sheds, arrester housings, etc. Silicone high voltage sheds are gaining market share as a result of improved tolerance to pollution, ease of handling and installation, and resistance to vandalism [3], [4]. However, the surface of silicones, and especially filled silicones, is subject to long-term degradation during outdoor use [5], [6].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of surface degradation of silicone rubber using gas chromatography/mass spectroscopy

Homma

Kuroyagi

Izumi

et al. 2000

IEEE Trans. Power Delivery

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Analysis using Gas Chromatography/Mass Spectroscopy (GC/MS) was performed for evaluation of surface degradation of silicone insulating materials. Silicones are used as coatings for porcelain insulators and shed material for high voltage composite insulators. A comparison between virgin silicone rubber and aged silicone rubber samples, which were aged either on actual power lines or during a field exposure test, was made by GC/MS analysis. The GC/MS spectrum of siloxane in silicone rubber has a series of peaks which corresponds to the number of dimethylsiloxane units in the molecule. We found that the aged samples had a larger concentration of low molecular weight siloxane species than the virgin samples. The top shed surfaces generated more low molecular weight siloxane species than the bottom shed surfaces. Since GC/MS analysis can determine the molecular weight distribution of polymer insulating materials, evaluation of the degree of surface degradation and estimation of the remaining life of insulators may be possible.

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“…Many laboratory tests have been developed to evaluate this aspect. While all tests strive to obtain results in a reasonable time, it is not clear that the degradation mechanisms observed in these tests are consistent with what is seen in service [1][2][3].…”

Section: Introductionmentioning

confidence: 88%

Arc endurance modeling of polymeric HV outdoor insulating materials

Pinnangudi

Gorur

Raju

2007

2007 Annual Report - Conference on Electrical Insulation and Dielectric Phenomena

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Arc induced degradation of polymeric materials used for outdoor HV insulation has been studied using a 532 nm visible wavelength laser. The degradation behavior is modeled by a modified Helmholtz equation. Two parameters are introduced in the theoretical model developed; a propagation factor α which is predominantly dependent on the laser power, and an ablation factor β , which is a function of material properties. The performance of housing materials used for outdoor line and apparatus insulators such as, silicone rubber, ethylene propylene diene monomer (EPDM) rubber and cycloaliphatic epoxy has been evaluated and modeled.

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History and bibliography of polymeric insulators for outdoor applications

Cited by 150 publications

References 47 publications

Surface Modification of Sylgard-184 Poly(dimethyl siloxane) Networks by Ultraviolet and Ultraviolet/Ozone Treatment

Surface Modification of Sylgard-184 Poly(dimethyl siloxane) Networks by Ultraviolet and Ultraviolet/Ozone Treatment

Evaluation of surface degradation of silicone rubber using gas chromatography/mass spectroscopy

Arc endurance modeling of polymeric HV outdoor insulating materials

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