Dielectric properties of water-treed XLPE insulation

Author

Ildstad, E. ; Gubanski, S.M.

Author_Institution

Norwegian Inst. of Technol., Trondheim, Norway

fYear

1994

fDate

23-26 Oct 1994

Firstpage

497

Lastpage

505

Abstract

Attention has been recently been turned to different methods for measurement of dielectric response and charge storage phenomena to develop sensitive non destructive tools for XLPE cable insulation. Such measurements are usually performed as “frequency domain” measurements of the capacitance and loss factor, or as “time domain” measurements of the depolarisation current and return voltage. The aim of this work has been to investigate the effect water trees may have on the dielectric response of XLPE cable insulation. This paper describes results of the above mentioned measurements on XLPE Rogowski type test objects, which were subjected to laboratory water tree ageing

Keywords

XLPE insulation; Rogowski type test objects; XLPE cable insulation; capacitance; charge storage; dielectric response; frequency domain measurements; loss factor; nondestructive diagnostics; return voltage; thermally stimulated depolarisation currents; time domain measurements; water tree ageing; Cable insulation; Capacitance measurement; Charge measurement; Current measurement; Dielectric loss measurement; Dielectric measurements; Dielectrics and electrical insulation; Loss measurement; Performance evaluation; Trees - insulation;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Insulation and Dielectric Phenomena, 1994., IEEE 1994 Annual Report., Conference on

Conference_Location

Arlington, TX

Print_ISBN

0-7803-1950-8

Type

conf

DOI

10.1109/CEIDP.1994.592021

Filename

592021