Nonuniform transmission tower model for lightning transient studies

This paper presents a new approach to model a transmission tower for lightning performance studies. It consists of representing each part of the tower by equivalent vertical and/or horizontal transmission lines as required. While horizontal line parameters are obtained from standard line formulas, s...

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Bibliographic Details
Published in:IEEE transactions on power delivery 2004-04, Vol.19 (2), p.490-496
Main Authors: Gutierrez R, J.A., Moreno, P., Naredo, J.L., Bermudez, J.L., Paolone, M., Nucci, C.A., Rachidi, F.
Format: Article
Language:English
Subjects:
Arm
Bars
Conductors
Equivalence
Horizontal
Impedance
Lightning
Mathematical models
Mutual coupling
Poles and towers
Power system transients
Transmission line measurements
Transmission lines
Transmission towers
Voltage
Waveforms
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Summary:This paper presents a new approach to model a transmission tower for lightning performance studies. It consists of representing each part of the tower by equivalent vertical and/or horizontal transmission lines as required. While horizontal line parameters are obtained from standard line formulas, specific expressions are derived for the parameters of vertical lines. Moreover, mutual coupling between any two parallel vertical transmission lines is taken into account. Transient waveforms obtained using the proposed method are compared with experimental data obtained using a reduced-scale model and field experiments. The agreement between simulated results and experimental measurements is satisfactory.
ISSN:0885-8977
1937-4208
DOI:10.1109/TPWRD.2003.823210