Electromagnetic Fields and Induced Voltages on Underground Pipeline in the Vicinity of AC Traction System (CROSBI ID 205547)
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Milešević, Boško ; Filipović-Grčić, Božidar ; Radošević, Tomislav
engleski
Electromagnetic Fields and Induced Voltages on Underground Pipeline in the Vicinity of AC Traction System
Various regulations, aimed at the protection of human beings and electrical equipment against possible adverse effects resulting from exposure to electromagnetic fields, have been issued in many countries. Most of them are based on safety guidelines published by international expert groups. In this paper, electric and magnetic fields are calculated in the vicinity of 25 kV traction line supplying railway traction system. Calculation results are compared to exposure limits specified by safety guidelines and regulations. Possible countermeasures for reduction of electromagnetic fields are proposed. Also, this paper presents a method for calculation of the induced voltages to an underground gas pipeline from a neighbouring 25 kV electric traction overhead line in case of short circuit. Calculations are performed with EMTP-ATP software. Possible countermeasures for reduction of induced voltages are proposed.
electric and magnetic fields; electric traction system; induced voltages; underground gas pipeline
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