Alp Transit Gotthard AG
Year of manufacture
2008 - 2016
Kummler+Matter Services
Planning, system design, approval, material and assembly
Route length
57 km double track in the tunnel and 39 km catenary open lines
Short description
Innovative and high quality Catenary Solutions for the longest rail tunnel in the world, Catenary system for 57 km double track as well as 39 km overhead system with open track; 15kV / AC; 250km/h.
GOTTHARD BASE TUNNEL
Installing the traction current plant was a complex process. It involved twelve operations, from the measuring of the support bases to the installation of the traction power supply. Each operation was completed separately. The overhead contact line, a catenary system Type Re250 GBT, consists of the catenary (contact wire and supporting cable) with four parallel feeders for the tunnel section.
The overhead contact line developed specially for the Gotthard Base Tunnel offers the ideal solution for the power supply of heavy freight trains and the navigability of passenger trains travelling up to 250 km/h. The individual components were assembled in several operational steps to make the entire system, from setting the anchor rods to installing the power connections.
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