DocumentCode :
3230423
Title :
Influence of earth conductivity and permittivity frequency dependence in electromagnetic transient phenomena - more measurements results in new sites
Author :
Portela, C. ; Gertrudes, J.B. ; Tavares, M.C. ; Filho, J. Pissolato
Author_Institution :
Univ. Federal do Rio deJaneiro, Rio de Janeiro, Brazil
fYear :
2004
fDate :
8-11 Nov. 2004
Firstpage :
941
Lastpage :
946
Abstract :
In this work some procedures to measure and model soil electromagnetic behavior in frequency domain are presented. The proposed model takes into account the earth conductivity and permittivity frequency dependence, which normally are not considered. Some procedures to reduce noise signals in the field measurements values are presented. For an actual 440 kV single three-phase transmission line, the importance to consider the soil behavior is represented through a unique real value of conductance (the normal approach) and through the proposed model.
Keywords :
electrical conductivity measurement; frequency-domain analysis; permittivity measurement; power system transients; power transmission lines; soil; 440 kV; conductance value; earth conductivity; electromagnetic transient; field measurement; frequency domain; noise signal reduction; permittivity frequency dependence; single three-phase transmission line; soil electromagnetic behavior; Conductivity measurement; Earth; Electromagnetic measurements; Electromagnetic modeling; Frequency dependence; Frequency domain analysis; Frequency measurement; Permittivity measurement; Soil measurements; Transmission line measurements;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Transmission and Distribution Conference and Exposition: Latin America, 2004 IEEE/PES
Print_ISBN :
0-7803-8775-9
Type :
conf
DOI :
10.1109/TDC.2004.1432509
Filename :
1432509
Link To Document :
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