Initial experience in the Snowy Mountains Scheme with the PDA and installation and use of permanent capacitive couplers on hydro generators

Author

Tychsen, Ross C.

Author_Institution

Snowy Mountains Hydro-Electr. Authority, Cooma, NSW, Australia

fYear

1989

fDate

25-28 Sep 1989

Firstpage

219

Lastpage

224

Abstract

The author describes the initial experiences of the Snowy Mountains Hydro-Electric Authority with Ontario Hydro partial discharge analyzer (PDA) technology. The factors necessitating modification of the standard XLPE (cross-linked polyethylene) cable coupler and its installation method are described. Some initial PDA test measurement results and their interpretation are presented. Comparisons are made between PDA and other discharge detector measurements. The significant improvement in the Authority´s knowledge of the condition of its generator stator windings as a result of initial PDA measurements is noted, and it is concluded that PDA condition monitoring will be an important tool in future maintenance strategic planning in the Snowy Mountains Scheme

Keywords

charge measurement; hydroelectric generators; machine testing; partial discharges; stators; Ontario Hydro partial discharge analyzer; PDA; Snowy Mountains Scheme; cable coupler; condition monitoring; discharge detector measurements; generator stator windings; hydro generators; maintenance strategic planning; permanent capacitive couplers; Cable insulation; Couplers; Manufacturing; Partial discharge measurement; Partial discharges; Polymers; Power generation; Stator windings; Temperature; Testing;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Electronics Insulation Conference, 1989. Chicago '89 EEIC/ICWA Exposition., Proceedings of the 19th

Conference_Location

Chicago, IL

Type

conf

DOI

10.1109/EEIC.1989.208229

Filename

208229