2002
DOI: 10.1016/s0142-0615(01)00031-x
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Electromagnetic transients in underground transmission systems through the numerical Laplace transform

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Cited by 48 publications
(21 citation statements)
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“…In the early 1980s, Wedepohl introduced into the technique further refinements that have enabled very high accuracy [18]. More recent work on the NLT can be found in [10,11,15,20,22,23,[32][33][34].…”
Section: Brief History Of Nlt Developmentmentioning
confidence: 99%
“…In the early 1980s, Wedepohl introduced into the technique further refinements that have enabled very high accuracy [18]. More recent work on the NLT can be found in [10,11,15,20,22,23,[32][33][34].…”
Section: Brief History Of Nlt Developmentmentioning
confidence: 99%
“…where α is the dummy variable, w represents the angular frequency (in rad/s), m corresponds to the magnetic permeability (H/m) of the soil, and the complex depth or Skin Effect Layer Thickness (considering displacement currents) is given by many authors (Pollaczek, 1926;Wedepohl and Wilcox, 1973;Kaplan, 1981;Ametani et al, 2009;Carson, 1926;Uribe et al, 2004;2000;Dommel, 1986): Figure 1. Geometry of the underground system and the image of one of the conductors in the air where σ is the ground resistivity (Ω·m) and ε is the relative permittivity (ε 0 for the vacuum (F/m) and ε r of the soil).…”
Section: Basic Relationsmentioning
confidence: 99%
“…The open circuit voltage and the short circuit current responses are both calculated through the inverse Numerical Laplace Transform (cable data are available in Appendix B) (Uribe et al, 2000). A unit step voltage is injected to the core of cable 1 at the sending end of the underground cable system.…”
Section: Transientmentioning
confidence: 99%
“…Se consideran tres líneas monofásicas subterráneas con longitudes de 10 km, 40 km y 80 km a una profundidad de 0,79 m con una resistividad del suelo de 20 Ω-m. En todos los casos las líneas son excitadas con una función escalón de 1 pu. Los datos de la sección transversal del cable son dados en Uribe, Naredo, Moreno y Guardado [21].…”
Section: Comportamiento Transitorio De Un Cable De Alta Tensiónunclassified