IEEJ Transactions on Power and Energy
Online ISSN : 1348-8147
Print ISSN : 0385-4213
ISSN-L : 0385-4213
A Development of Frequency-Dependent Tower Model
Naoto Nagaoka
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1991 Volume 111 Issue 1 Pages 51-56

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Abstract

A new tower model for lightning surge analysis is developed. A field test result of a tower surge characteristic is transformed into the frequency domain by numerical Laplace transform, and the frequency response of the tower is obtained. The propagation constant of the tower including the frequency-dependent effect is obtained from the frequency response.
Thus, the tower is represented by an ordinary distributed-parameter line including the frequency-dependent effect of the tower impedance, i. e. the traveling wave deformation of the tower.

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