Comparative evaluation of breakdown strength of thin insulating materials under fast transient voltages

Author

Rajan, J. Sundara ; Dwarakanath, K.

Author_Institution

Central Res. & Testing Lab., Central Power Res. Inst., Bangalore, India

Volume

2

fYear

1996

fDate

16-19 Jun 1996

Firstpage

778

Abstract

Laboratory methods of generating fast transient overvoltages are discussed in this paper. The results of breakdown studies carried out with a transmission line model generator using plastic materials is presented. The breakdown is observed to be a fast front phenomenon and the electrode effects are critical. The magnitude of the breakdown voltage is one order higher than the corresponding AC and DC values

Keywords

electric breakdown; electric strength; insulation testing; organic insulating materials; overvoltage; transients; breakdown strength; breakdown voltage magnitude; electrode effects; fast front phenomenon; fast transient overvoltages; insulation breakdown testing; plastic materials; thin insulating materials; transmission line model generator; Breakdown voltage; Gas insulation; Laboratories; Materials testing; Oil insulation; Plastics; Power system transients; Power transformer insulation; Pulse generation; Sparks;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Insulation, 1996., Conference Record of the 1996 IEEE International Symposium on

Conference_Location

Montreal, Que.

ISSN

1089-084X

Print_ISBN

0-7803-3531-7

Type

conf

DOI

10.1109/ELINSL.1996.549460

Filename

549460