Estimation of Current Distribution in the Electric Railway System in the EMTP-RV (CROSBI ID 649741)
Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Milešević, Boško ; Filipović-Grčić, Božidar ; Uglešić, Ivo
engleski
Estimation of Current Distribution in the Electric Railway System in the EMTP-RV
Current distribution is important for the electromagnetic compatibility and electromagnetic fields calculations. The current value directly determines the magnetic field and consequently coupling of the systems. The return current has an opposite direction of supply current and decreases coupling and interferences. A single rail traction system can be equipped with return conductor. This paper presents the AC current distribution for both designs, with and without return conductor. Also, the soil resistivity is varied. The higher the soil resistivity, the higher is the amount of return current in rail and return conductor. The different construction of return conductor results in different impedance of return path. The relations of return conductor construction and return current value are analysed. Lightning can directly impact different traction system elements such as contact network, tower or return wire. The paper presents current distribution in several cases of lightning impacting different traction system elements is presented.
traction system ; electric railway ; current distribution ; lightning
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Podaci o prilogu
17IPST127
2017.
objavljeno
Podaci o matičnoj publikaciji
Proceedings of IPST 2017
Seoul:
Podaci o skupu
International Conference on Power Systems Transients (IPST2017)
predavanje
26.06.2017-29.06.2017
Seoul, Republika Koreja