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The Effects of the Span Configurations and Conductor Sag on the Electric-Field Distribution Under Overhead Transmission Lines

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4 Author(s)
Adel Z. El Dein ; Department of Electrical Engineering, South Valley university, High Institute of Energy, Aswan, Egypt ; Mohamed A. A. Wahab ; Mohamed M. Hamada ; Tamer H. Emmary

The precise evaluation and mitigation of the electric field generated by overhead transmission lines has gained great interest due to its impact on health and environmental issues. This paper presents a more generalized technique to calculate the electric field generated by power transmission lines in three dimension coordinates. This technique has been evolved, formulated, and applied to an Egyptian 500-kV single-circuit transmission line to evaluate the effects of line topology and terrain topography on the computed electric field. The results are compared with those produced by a 2-D technique.

Published in:

IEEE Transactions on Power Delivery  (Volume:25 ,  Issue: 4 )