Title :
A simplified method for calculating the tower grounding impedance by means of pspice
Author :
Lima, Alexander Barros ; Paulino, José Osvaldo Saldanha ; Boaventura, Wallace Do Couto ; Guimarães, Maurissone Ferreira
Author_Institution :
Dept. of Electr. Eng., Fed. Univ. of Minas Gerais, Belo Horizonte, Brazil
Abstract :
This paper presents a simplified method for calculating the tower-footing grounding impedance of a transmission line. The grounding is comprised by four counterpoises and the proposed method considers the mutual effects between electrodes. The simulations are carried out in PSPICE program and implementing naturally becomes a simple task. The electrode length and soil resistivity vary for different values. The simulation results are obtained in the frequency domain and in the time domain showing important features of the grounding response when subject to an impulsive current.
Keywords :
earthing; electrodes; poles and towers; power transmission lines; time-frequency analysis; PSPICE program; electrodes; frequency domain; grounding response; impulsive current; soil resistivity; time domain; tower-footing grounding impedance; transmission line; Analytical models; Grounding; Lead; Time frequency analysis; Transforms; Computer modeling; Grounding; Lightning; Transmission line;
Conference_Titel :
Lightning Protection (ICLP), 2012 International Conference on
Conference_Location :
Vienna
Print_ISBN :
978-1-4673-1898-3
Electronic_ISBN :
978-1-4673-1896-9
DOI :
10.1109/ICLP.2012.6344328
