Title: 3D Power Frequency Electric Field Calculation of Multi-span UHV Overhead Line
Abstract: When the 1000 kV UHV overhead line goes across the river, the span is very long and sag is higher, the three-dimensional method is applicable to this case. This paper proposes an effective 3D charge simulation method which is based on finite slant line charges to calculate the electric field in the vicinity of multi-span UHV overhead lines. Each line is subdivided into smal segments, of which the position is specified according the catenary equation, the tower is modeled too. Each segment is represented by linear charges. The comparison of the results from the 2D and 3D methods show that, on transmission line ,the 2D method can acquire accurate value when calculating the electric intensity at the middle span,wheras,when calculating the electric intensity in the vicinity of multi-span UHV overhead line, the 3D method is proved to be quite effective and more accurate..
Publication Year: 2008
Publication Date: 2008-01-01
Language: en
Type: article
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Cited By Count: 1
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