Dielectric study at microwave frequencies of water-treed crosslinked polyethylene

Author

Suzuki, T. ; Walrath, K.E. ; Zhan, Ming ; Melcher, J.R.

Author_Institution

Dept. of Electr. Eng., MIT, Cambridge, MA, USA

Volume

27

Issue

6

fYear

1992

fDate

12/1/1992 12:00:00 AM

Firstpage

1083

Lastpage

1088

Abstract

The dielectric properties of water-treed crosslinked polyethylene (XLPE) were studied by using a hollow microwave waveguide system between 135 MHz and 13.6 GHz. The dielectric loss of water-treed XLPE is proportional to water content. Water-treed XLPE has a low relaxation frequency, which is probably due to bound water. The binding water in trees was confirmed by the lower apparent water diffusion rate in treed XLPE than in undamaged controls measured with a radioactive tracer method

Keywords

dielectric losses; dielectric measurement; electric breakdown of solids; microwave measurement; organic insulating materials; polymers; water; 135 MHz to 13.6 GHz; XLPE; binding water; bound water; dielectric loss; dielectric properties; hollow microwave waveguide system; microwave frequencies; relaxation frequency; water content; water-treed crosslinked polyethylene; Dielectric measurements; Hollow waveguides; Microwave frequencies; Microwave measurements; Moisture measurement; Optical films; Optical waveguides; Polyethylene; Testing; Trees - insulation;

fLanguage

English

Journal_Title

Electrical Insulation, IEEE Transactions on

Publisher

ieee

ISSN

0018-9367

Type

jour

DOI

10.1109/14.204857

Filename

204857