Geometrical Approximation of the Overhead Power Line Conductors

Tonći Modrić(1*), Slavko Vujević(2), Tomislav Majić(3)

(1) University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, Ruđera Boškovića 32, HR-21000 Split, Croatia,
(2) University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, Ruđera Boškovića 32, HR-21000 Split, Croatia,
(3) ,
(*) Corresponding author


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Abstract


A numerical algorithm for segmentation of overhead power line conductors, which form a catenary, for 3D electric and magnetic power frequency field computation is presented. The overhead power line conductor catenary is approximated by a set of straight thin-wire segments. The segmentation algorithm requires only three input data per power line span conductor - the global coordinates of power line span conductor endpoints and the height of the lowest conductor point. On the basis of the presented theory, a FORTRAN program was developed and results of the overhead power line conductor segmentation with different number of straight segments along the span are compared and graphically presented
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Keywords


Electric field, magnetic field, overhead power line conductors, catenary, segmentation, span

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