CIGRE WG 13.06 studies on the reliability of single pressure SF/sub 6/-gas high-voltage circuit-breakers

The final results of the CIGRE second international enquiry on the reliability of high voltage circuit-breakers in service are presented. In the seventies the first international enquiry, that covered all technology circuit-breakers, was conducted. The second international enquiry (from 1.1.88 to 31...

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Bibliographic Details
Published in:IEEE transactions on power delivery 1996-01, Vol.11 (1), p.274-282
Main Authors: Janssen, A.L.J., Brunke, J.H., Heising, C.R., Lanz, W.
Format: Article
Language:English
Subjects:
Circuit testing
Data engineering
Maintenance
Reliability engineering
Substations
Sulfur hexafluoride
Switchgear
USA Councils
Voltage
Writing
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Summary:The final results of the CIGRE second international enquiry on the reliability of high voltage circuit-breakers in service are presented. In the seventies the first international enquiry, that covered all technology circuit-breakers, was conducted. The second international enquiry (from 1.1.88 to 31.12.91) was limited to single pressure SF/sub 6/ gas circuit-breakers, thus showing the improvements due to this technology. The main conclusion is that the reliability concerning major failures has increased considerably and that the maintainability of modern SF/sub 6/ circuit-breakers is much better than the older technology circuit-breakers. Also the conclusions from several other studies, based on the results of the enquiries, are presented. The publication of this paper, as a result of an international effort by CIGRE SC 13, is sponsored by the IEEE Switchgear Committee in order to support this valuable contribution to the industry and to continue the cooperation between the two organizations.
ISSN:0885-8977
1937-4208
DOI:10.1109/61.484026