Referenced Items are not available for this document.
Insulation failure in medium voltage (10-20 kV) and electric traction lines (3 kV DC) is mainly due to indirect and direct lightning strokes to the lines. The overvoltages stressing the insulation have an impulse shape with a very short tail, much shorter than the standard 1.2/50 μs wave. The paper presents the results of experimental tests performed with a 1.2/4 μs wave, on air gaps and insulators in use in the lines under consideration. The flashover probability distributions and the voltage-time to breakdown characteristics under 1.2/4 μs waves determined are presented and compared with the 1.2/50 μs
Published in:
Power Delivery, IEEE Transactions on
(Volume:14
,
Issue:
1
)
Date of Publication: Jan 1999
- Page(s):
- 218 - 226
- ISSN :
- 0885-8977
- INSPEC Accession Number:
- 6132515
- Digital Object Identifier :
- 10.1109/61.736725
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Jan 1999
- Sponsored by :
- IEEE Power & Energy Society
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