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Mutual impedance of transmission lines with earth return

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2 Author(s)
Ametani, A. ; Doshisha University, Department of Electrical Engineering, Kyoto, Japan ; Schinzinger, R.

An expression for mutual impedance of overhead transmission-line conductors above lossy ground is derived. This equation is valuable for rapid calculation of frequency-dependent characteristics in wave-propagation studies: The mutual impedance can be readily approximated by an equation in closed form.

Published in:

Generation, Transmission and Distribution, IEE Proceedings C  (Volume:127 ,  Issue: 5 )