Influence of polarisation on breakdown strength of polymeric composite dielectrics

O. S. Gefle, S. M. Lebedev, Y. P. Pokholkov, D. P. Agoris, I. Vitellas

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The results of a study of electrical characteristics such as permittivity ε, loss factor tanδ and breakdown strength Eb of new composite materials on the basis of polyvinylchloride filled with ferroelectric ceramic powder PZT are presented. It is shown that preliminary polarisation of composite materials by unipolar impulses of voltage enables the Eb of composites to be increased by a factor of 1.3-1.5 in comparison with nonpolarised composites. It is discovered that the value of the specific accumulated energy may be increased up to 105J/m3. These composite materials can be used both for the electric field control in the insulation designs and for manufacture of capacitive stores of energy.

Original languageEnglish
Pages (from-to)125-128
Number of pages4
JournalIEE Proceedings: Science, Measurement and Technology
Volume148
Issue number3
DOIs
Publication statusPublished - May 2001

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Polarization
Composite materials
Ferroelectric ceramics
Insulation
Permittivity
Electric fields
Powders
Electric potential

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Influence of polarisation on breakdown strength of polymeric composite dielectrics. / Gefle, O. S.; Lebedev, S. M.; Pokholkov, Y. P.; Agoris, D. P.; Vitellas, I.

In: IEE Proceedings: Science, Measurement and Technology, Vol. 148, No. 3, 05.2001, p. 125-128.

Research output: Contribution to journalArticle

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