Calculation and measurement of dielectric response function in insulation systems of high voltage rotating machines

Author

Farahani, M. ; Borsi, H. ; Gockenbach, E.

Author_Institution

Inst. of Electr. Power Syst., Hannover Univ., Germany

Volume

1

fYear

2003

fDate

1-5 June 2003

Firstpage

290

Abstract

In this work the possibility of the dielectric response measurement for the evaluation of the actual status of insulation system of high voltage rotating machines are investigated. As test object, model stator bars were used, which are close to real stator bars of high voltage rotating machines. An accelerated ageing procedure was applied to the model bars and the dielectric response was measured in time domain. The dielectric response function was calculated from depolarization current measuring results and the change of this function was evaluated.

Keywords

ageing; dielectric depolarisation; dielectric function; dielectric measurement; electric machines; insulation testing; machine insulation; stators; accelerated ageing; depolarization current; dielectric response function; dielectric response measurement; high voltage rotating machines; insulation systems; real stator bars; time domain; Accelerated aging; Dielectric devices; Dielectric measurements; Dielectrics and electrical insulation; Rotating machines; Rotation measurement; Stator bars; Testing; Time measurement; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Properties and Applications of Dielectric Materials, 2003. Proceedings of the 7th International Conference on

ISSN

1081-7735

Print_ISBN

0-7803-7725-7

Type

conf

DOI

10.1109/ICPADM.2003.1218409

Filename

1218409