Calculation of Electric Field under Overhead Lines with Complex Ground by Two Dimension Surface Charge Method

Yu Ze Jiang; Zhen Guang Liang; Di Wen Jiang

doi:10.4028/www.scientific.net/AMR.1070-1072.1563

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Calculation of Electric Field under Overhead Lines with Complex Ground by Two Dimension Surface Charge Method

Abstract:

In the paper, influence of complex ground on electric field under overhead lines is studied. Two dimension surface charge method is used and complex ground is modeled with surface charges. Analytical expressions of electric potential and electric field strength produced by surface charge element are deduced. Effectiveness of the method is shown by an example with analytical result. Curve ground and sloping ground are used respectively in calculation of electric field under overhead lines. Results show influence of variation of ground height on distribution of electric field.