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A Novel Framework to Study the Role of Ground and Fumed Silica Fillers in Suppressing DC Erosion of Silicone Rubber Outdoor Insulation
 
 
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Energies
Volume 14
Issue 12
10.3390/en14123655
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Article

Common Perceptions about the Use of Fillers in Silicone Rubber Insulation Housing Composites

by
Refat Atef Ghunem
*,
Yazid Hadjadj
and
Harold Parks
Metrology Research Center, National Research Council Canada, 1200 Montreal Rd., Ottawa, ON K1A0R6, Canada
*
Author to whom correspondence should be addressed.
Energies 2021, 14(12), 3655; https://doi.org/10.3390/en14123655
Submission received: 28 April 2021 / Revised: 14 June 2021 / Accepted: 16 June 2021 / Published: 19 June 2021
(This article belongs to the Special Issue Outdoor Insulation and Gas Insulated Switchgears)
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Abstract

This paper discusses the lessons learned about fillers that are added to silicone rubber insulation housing composites, in order to improve the erosion resistance against the dry-band arcing are presented and common perceptions. Common practices that employ alumina tri-hydrate are reviewed, including the additional influential effect of the water of hydration in the suppression of the dry-band arcing. The effect of the water of hydration is shown to be dependent on various factors, such as the hydrated filler level and the type of the hydrated filler. More recent paradigms in which hydrated fillers have not been employed are also reviewed. Volume and shield actions of fillers are essential aspects that need to be understood in the design of silicone rubber insulation housing composites for new applications such as HVDC. In addition, the thermal degradation mechanisms of silicone rubber and the corresponding suppression effects of the added fillers are summarized.
Keywords: silicone rubber; outdoor insulators; transmission and distribution; pollution performance; tracking; erosion resistance silicone rubber; outdoor insulators; transmission and distribution; pollution performance; tracking; erosion resistance

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MDPI and ACS Style

Ghunem, R.A.; Hadjadj, Y.; Parks, H. Common Perceptions about the Use of Fillers in Silicone Rubber Insulation Housing Composites. Energies 2021, 14, 3655. https://doi.org/10.3390/en14123655

AMA Style

Ghunem RA, Hadjadj Y, Parks H. Common Perceptions about the Use of Fillers in Silicone Rubber Insulation Housing Composites. Energies. 2021; 14(12):3655. https://doi.org/10.3390/en14123655

Chicago/Turabian Style

Ghunem, Refat Atef, Yazid Hadjadj, and Harold Parks. 2021. "Common Perceptions about the Use of Fillers in Silicone Rubber Insulation Housing Composites" Energies 14, no. 12: 3655. https://doi.org/10.3390/en14123655

APA Style

Ghunem, R. A., Hadjadj, Y., & Parks, H. (2021). Common Perceptions about the Use of Fillers in Silicone Rubber Insulation Housing Composites. Energies, 14(12), 3655. https://doi.org/10.3390/en14123655

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