TUNNELS ASSESSMENT AND SOLUTIONS
It is common to find tunnels on railway lines on land with certain orography or on metro lines that are mostly underground. The space available in the tunnels may be very restricted, which makes the arrangement of electrification systems difficult.
When the dimensions of the tunnel allow it, a catenary system is designed, ensuring compliance with safety requirements, especially in terms of electrical separations that prevent the appearance of electric arcs.
In cases with greater space restrictions, a solution with a rigid catenary system is chosen.
SDEA engineers are experts in evaluating the feasibility of electrification in tunnels and designing the arrangement of the supports, guaranteeing the necessary electrical separations with the tunnel walls and rolling stock.
Contact us for more information on SDEA’s capabilities regarding solutions in electrification tunnels.