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Leakage currents from a dc-electrified railway requires careful consideration throughout the life time of the railway. The design objective is to minimize the current leakage from the railway return path (the running rails for a dc-electrified railway, with possibly additional conductors in parallel for ac-electrified systems). For this objective to be met, the design needs to account for foreseeable...
DC electrified traction systems are a potential source of stray current, that may corrode both internal and external structures and installations. The stray current intensity depends on several factors (traction current, rail insulation, concrete mat and piers resistance), that are accounted for in the proposed model. Moreover, the effect of a uniform or multi-layer soil model is considered, showing...
This paper presents the assessment of the effectiveness of the design provisions adopted for mitigating the electromagnetic interference generated by stray currents in a dc rail traction system. The track characteristics of the Red Line of the Dubai Metro are analysed and the measurements carried out to assess compliance with EN 50122-2 are shown. It is demonstrated that the design of the constituent...
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