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Energies
Article . 2012
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Preparation and Electrical Properties of Insulation Paper Composed of SiO<sub>2</sub> Hollow Spheres

descriptionPublicationkeyboard_double_arrow_right Article 01 Aug 2012 English Publisher:MDPI AGJournal:Energies (issn: 1996-1073, Copyright policy )
Authors: Chao Tang; Tuan Liu; Lijun Yang; Ruijin Liao; Yuan Yuan; Fuzhou Zhang;

Preparation and Electrical Properties of Insulation Paper Composed of SiO<sub>2</sub> Hollow Spheres

Abstract

SiO<sub>2</sub> hollow spheres and low relative permittivity insulation paper handsheets composed of these SiO<sub>2</sub> hollow spheres with different weight percentages were successfully prepared. Low-content SiO<sub>2</sub> hollow spheres were uniformly dispersed in the insulation paper handsheets. The relative permittivity of the immersed oil Kraft-SiO<sub>2</sub> hollow sphere handsheets (K-SiO<sub>2</sub>) initially decreased and then increased with increased amount of SiO<sub>2</sub> hollow spheres. K-5% SiO<sub>2</sub> possessed the lowest relative permittivity of approximately 1.68 at 50 Hz. The breakdown voltage of the paper-oil-paper composite insulation system increased from 26.4 kV to 30.5 kV with decreased relative permittivity of the paper from 2.55 to 1.68. The relationship between the relative permittivity and electric field strength of typical samples were also calculated.

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Keywords

SiO&lt;sub&gt;2&lt;/sub&gt; hollow spheres, Technology, T, electrical properties, relative permittivity, breakdown voltage

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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