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The electromagnetic field of a horizontal transmission line above the earth with earth return grounded at its end is calculated on sinusoidal current. Approximate, however in the whole range of frequency sufficiently accurate explicit formulae are given for the electric field strength components. The model is appropriate for calculating self, — and mutual impedances of arrangements consisting of horizontal and vertical straight lines.
Übersicht
Es wird das elektromagnetische Feld einer am Ende geerdeten, in der Höhe h über den Boden befindlichen, wechselstromdurchflossenen Freileitung mit Erdrückführung berechnet. Näherungsausdrücke, die aber im gesamten Frequenzbereich hinreichende Genauigkeit bieten, wurden für die einzelnen Komponenten der elektrischen Feldstärke abgeleitet. Mit diesem Modell ist es möglich, die Selbst- und Gegeninduktivität von aus horizontalen und vertikalen, geraden Leitungen bestehenden Anordnungen zu berechnen.
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Tevan, G. Calculation of the electromagnetc field of overhead transmission line with earth return grounded at its end. Archiv f. Elektrotechnik 70, 401–412 (1987). https://doi.org/10.1007/BF01574008
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DOI: https://doi.org/10.1007/BF01574008