Influence of the surrounding medium and service behaviour of metal oxide resistors for high voltage arresters

Author

Knobloch, H. ; Göhler, R. ; Kühne, W. ; Reichelt, K. ; Solbach, H.-B. ; Bruchhaus, R. ; Holubarsch, W.

Author_Institution

Siemens AG, Berlin, West Germany

Volume

6

Issue

2

fYear

1991

fDate

4/1/1991 12:00:00 AM

Firstpage

680

Lastpage

687

Abstract

The direct use of metal oxide (MO) resistors as surge arresters without spark gaps is examined. Their behavior in various gas atmospheres, such as can occur due to partial discharges inside the arrester, is discussed. Attention is also given to their behavior in air with decomposition products and SF₆ with decomposition products. Investigations of complete MO surge arresters in a 110 kV system after several years in service are reported, with emphasis on gas composition and leakage current. It is concluded that, by a suitable choice of the material composition, an adaptive control of the production process, and a selected coating, MO resistors which exhibit stable service behavior in reducing gas atmospheres can be produced

Keywords

resistors; surge protection; 110 kV; SF₆; adaptive control; air; decomposition products; gas atmospheres; gas composition; high voltage arresters; leakage current; metal oxide resistors; partial discharges; Adaptive control; Arresters; Atmosphere; Composite materials; Leakage current; Partial discharges; Production; Resistors; Spark gaps; Surges;

fLanguage

English

Journal_Title

Power Delivery, IEEE Transactions on

Publisher

ieee

ISSN

0885-8977

Type

jour

DOI

10.1109/61.131127

Filename

131127