Influence of the polyethylene structure on the space charge apparition

Author

Vella, N. ; Toureille, A.

Author_Institution

Lab. d´´ElectroTech., Univ. des Sci. et Tech. du Languedoc, Montpellier, France

Volume

1

fYear

1996

fDate

20-23 Oct 1996

Firstpage

137

Abstract

The study shows the influence of the polymer morphology, and in particular that of the spherulite size, on the apparition of space charges in polyethylene plaques. We show that a substantial distribution of space charges is perceptible immediately after the preparation of the samples. The application of an increasing electric field amplifies the space charges profile already observed in in non polarised samples. The study is carried out to the breakdown of the sample

Keywords

electric breakdown; polyethylene insulation; polymer structure; power cable insulation; space charge; breakdown; increasing electric field; polyethylene plaques; polyethylene structure; polymer morphology; power cable insulation; space charge apparition; space charge distribution; space charges profile; spherulite size; thermal step method; Cable insulation; Capacitance; Current measurement; Dielectrics and electrical insulation; Electric breakdown; Electrodes; Polyethylene; Power cables; Space charge; Temperature;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Insulation and Dielectric Phenomena, 1996., IEEE 1996 Annual Report of the Conference on

Conference_Location

Millbrae, CA

Print_ISBN

0-7803-3580-5

Type

conf

DOI

10.1109/CEIDP.1996.564617

Filename

564617