Shapes and amplitudes of the initial peaks of lightning-induced voltage in power lines over finitely conducting earth: Theory and comparison with experiment
- 1 January 1986
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Antennas and Propagation
- Vol. 34 (1) , 88-92
- https://doi.org/10.1109/tap.1986.1143721
Abstract
It is conclusively shown that lightning-induced voltages in power lines over finitely conducting earth can only be explained by considering the interaction of the horizontal field produced by the finitely conducting ground, with the conductors. The theory predicts narrow peaks of few microseconds width in the induced voltages, for particular positions of lightning with respect to the line. Wave propagation effects are found to be of considerable importance. To the extent allowed by the bandwidth of the measuring instruments used in this study, the prediction of the theory is confirmed.Keywords
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