1999
DOI: 10.1049/ip-epa:19990649
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Railway track transmission line parameters from finite element field modelling : Series impedance

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Cited by 32 publications
(24 citation statements)
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“…where: dij is the distance between conductors i and j; Dij is the distance between conductor i and image of conductor j, and vice versa; hi is the height above ground of conductor i; ri is the radius of conductor i. The R and X terms are corrective terms for the effect of soil appearing in [12], page 162, and [24]. Although these equations may lead to some variability due to approximations of geometric terms and secondary effects, such as proximity, they are considered accurate and most of all "inspectionable", where calculations can be verified and repeated at will, including sensitivity analysis [25,26].…”
Section: Rail Resistance and Rail Impedancementioning
confidence: 99%
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“…where: dij is the distance between conductors i and j; Dij is the distance between conductor i and image of conductor j, and vice versa; hi is the height above ground of conductor i; ri is the radius of conductor i. The R and X terms are corrective terms for the effect of soil appearing in [12], page 162, and [24]. Although these equations may lead to some variability due to approximations of geometric terms and secondary effects, such as proximity, they are considered accurate and most of all "inspectionable", where calculations can be verified and repeated at will, including sensitivity analysis [25,26].…”
Section: Rail Resistance and Rail Impedancementioning
confidence: 99%
“…Although these equations may lead to some variability due to approximations of geometric terms and secondary effects, such as proximity, they are considered accurate and most of all "inspectionable", where calculations can be verified and repeated at will, including sensitivity analysis [25,26]. Attention is conversely focused on the intrinsic parameters specific to the rail that as we will see cannot rely on modeling for an accurate quantification; they are the DC resistance, the AC resistance and internal inductance [24,[27][28][29][30][31][32][33][34].…”
Section: Rail Resistance and Rail Impedancementioning
confidence: 99%
“…Many surveys have been carried out covering analytical approaches as well as numerical ones [4,5,6]. Those surveys are interested in catenaries fed systems which involved an aerial line.…”
Section: Impedance System Calculationmentioning
confidence: 99%
“…According to earth-return circuit theory, a rail route can be modeled by an equivalent rail-single conductor with ground return lying on the ground surface [3]. Details of distributed parameters of this circuit can be found in [3,4,28,32,33]. The equivalent rail is energized by currents supplied by a substation and a vehicle (load), respectively.…”
Section: Electric Potential Of Rail Modeled As a Circuit With Distribmentioning
confidence: 99%