Study of effect of pre-applied voltage on conduction in polyethylene

Author

Zhongyi, Ren

Author_Institution

Dept. of Electr. Mater., Harbin Inst. of Electr. Technol., China

fYear

1993

fDate

17-20 Oct 1993

Firstpage

128

Lastpage

133

Abstract

The dependence of polyethylene conductivity on preapplied voltage and the way to eliminate the preapplied voltage effect are investigated. Instantaneous conductivity increases with preapplied voltage and the time under the voltage, and is related to the polarity of the voltage. Space charge in polyethylene can be eliminated by an alternating high voltage. However, using a power frequency source is more convenient. Samples of polyethylene should be pretreated with power frequency voltage or high frequency voltage before conductivity measurement, which should be written into test standards for the conductivity of dielectrics

Keywords

conducting materials; electrical conductivity; polyethylene insulation; polymer films; space charge; alternating high voltage; conductivity; high frequency voltage; polyethylene; power frequency source; preapplied voltage; space charge; Breakdown voltage; Charge measurement; Conducting materials; Conductivity measurement; Current measurement; Displays; Frequency; Polyethylene; Space charge; Temperature;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Insulation and Dielectric Phenomena, 1993. Annual Report., Conference on

Conference_Location

Pocono Manor, PA

Print_ISBN

0-7803-0966-9

Type

conf

DOI

10.1109/CEIDP.1993.378985

Filename

378985