Validation of a simulation model for the calculation of polarization currents in polypropylene films

Author

Albertini, M. ; Albini, A. ; Esposti, G. F Degli ; Guastavino, F.

Author_Institution

Dipartimento di Ingegneria Elettrica, Genoa Univ., Italy

fYear

1994

fDate

5-8 Jun 1994

Firstpage

356

Lastpage

359

Abstract

This paper describes a research activity performed to investigate the possibilities offered by the measurement of the charging current in polymeric films in the evaluation of the relevant ageing processes. The measured currents were compared to the results of a computer simulation, based on the assumption that the current “slow” transient is due to the motion of elementary dipoles, and that the relaxation times are associate to a gamma distribution function. The computed results allows one to determine the distribution of the elementary charge of dipoles, which gives information about the evolution of the ageing processes

Keywords

ageing; dielectric polarisation; gamma distribution; insulating thin films; organic insulating materials; polymer films; simulation; transient analysis; ageing processes; charging current; current transient; gamma distribution function; polarization currents; polymeric films; polypropylene films; simulation model; Aging; Circuit testing; Computer simulation; Current measurement; Distributed computing; Distribution functions; Electrodes; Oxidation; Polarization; Polymer films;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Insulation, 1994., Conference Record of the 1994 IEEE International Symposium on

Conference_Location

Pittsburgh, PA

ISSN

1089-084X

Print_ISBN

0-7803-1942-7

Type

conf

DOI

10.1109/ELINSL.1994.401496

Filename

401496