The electrical tracking and erosion resistance evaluated using the inclined plane test: a critical task in the development of outdoor polymer insulating materials

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TypeArticle
Journal titleIEEE Electrical insulation magazin
ISSN0883-7554
Subjectinclined-plane test; tracking; erosion; dry-band arcing; polymer insulators; silicone rubber; inorganic fillers; HVDC insulation
AbstractEvaluating the electrical tracking and erosion resistance of polymeric housing materials is an essential task performed in the development of outdoor insulators. Tracking refers to the formation of a carbonaceous path on the surface of the insulation housing; whereas, erosion indicates weight loss of the housing material. An absolute realization of the electrical tracking and erosion resistance is not possible and therefore relative ranking of materials is the outcome that can be obtained in the standard electrical tracking and erosion tests. With the early utilization of organic insulating materials, failure due to tracking was a major concern, and therefore standard screening methods were proposed to mainly evaluate the tracking rather than the erosion resistance. Erosion is more important since the application of tracking-resistant composites compounded with high levels of inorganic fillers or possessing inorganic backbones such as silicones.
LanguageEnglish
AffiliationMeasurement Science and Standards; National Research Council Canada
Peer reviewedYes
NPARC number21275108
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Record identifier11457b70-018b-4167-a1cc-2073fd7ebc12
Record created2015-05-08
Record modified2016-05-09
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