DocumentCode
1118613
Title
High-voltage insulation co-ordination: timelags of parallel-plate, rod-plane, rod-rod gaps, cap and pin insulators and surge diverter
Author
Heylen, A.E.D. ; McMahon, S.P. ; McLean, I.R. ; Dring, D.
Author_Institution
Dept. of Electron. & Electr. Eng., Leeds Univ., UK
Volume
141
Issue
4
fYear
1994
fDate
7/1/1994 12:00:00 AM
Firstpage
397
Lastpage
400
Abstract
Percentage overvoltages against timelag characteristics show that, while for simulated lightning strokes a rod-rod gap, set to yield the same 50 percentage sparking voltage as a rod-plane gap, will protect it and cap and pin insulators for all magnitude of overvoltages, for a simulated switching surge a rod-rod gap is wholly inadequate. For complete protection, uniform field geometries like those produced by Rogowski profiled electrodes are required and this is almost achieved with surge diverters
Keywords
divertors; insulation co-ordination; insulators; overvoltage; spark gaps; surge protection; cap and pin insulators; high-voltage insulation co-ordination; parallel-plate gaps; rod-plane gaps; rod-rod gaps; surge diverter; timelags;
fLanguage
English
Journal_Title
Generation, Transmission and Distribution, IEE Proceedings-
Publisher
iet
ISSN
1350-2360
Type
jour
DOI
10.1049/ip-gtd:19941209
Filename
296521
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