DocumentCode
1162459
Title
Step and Touch Potentials at Faulted Transmission Towers
Author
Cherney, E.A. ; Ringler, K.G. ; Kolcio, N. ; Bell, G.K.
Author_Institution
Ontario Hydro Research
Issue
7
fYear
1981
fDate
7/1/1981 12:00:00 AM
Firstpage
3312
Lastpage
3321
Abstract
The paper contains measurements and analyses of earth potential profiles at American Electric Power (AEP) 765 kV transmission towers and at an Ontario Hydro (OH) 500 kV test tower during staged fault tests. Measurements of the step and touch potentials for various tower grounding schemes are shown. The effectiveness of a special ground potential control (GPC) ring installed as part of the tower grounding to reduce step and touch potentials is demonstrated by measurements and supported by computer studies. The step and touch potentials are examined analytically for various GPC ring design parameters and for several two-layer soils.
Keywords
Circuit faults; Conductors; Earth; Electric variables measurement; Grounding; Poles and towers; Power measurement; Power transmission lines; Soil measurements; Testing;
fLanguage
English
Journal_Title
Power Apparatus and Systems, IEEE Transactions on
Publisher
ieee
ISSN
0018-9510
Type
jour
DOI
10.1109/TPAS.1981.316672
Filename
4111009
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