Influence of polarisation on breakdown strength of polymeric composite dielectrics

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

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Abstract

The results of a study of electrical characteristics such as permittivity ε, loss factor tanδ and breakdown strength E_b 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 E_b 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 language	English
Pages (from-to)	125-128
Number of pages	4
Journal	IEE Proceedings: Science, Measurement and Technology
Volume	148
Issue number	3
DOIs	https://doi.org/10.1049/ip-smt:20010484
Publication status	Published - May 2001

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ASJC Scopus subject areas

Electrical and Electronic Engineering

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Gefle, O. S., Lebedev, S. M., Pokholkov, Y. P., Agoris, D. P., & Vitellas, I. (2001). Influence of polarisation on breakdown strength of polymeric composite dielectrics. IEE Proceedings: Science, Measurement and Technology, 148(3), 125-128. https://doi.org/10.1049/ip-smt:20010484

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AU - Vitellas, I.

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10.1049/ip-smt:20010484