Electrification in the high-speed section between Chamartín and Torrejón de Velasco (Madrid)

The electrification works on the high-speed section between Chamartín and Torrejón de Velasco include the maintenance of the overhead contact line facilities, the auto-transformation center and energy remote control.

Important magnitudes:

– Overhead line maintenance at 25 kV, 50 Hz and 2×25 system.

– Maintenance of the needle heater system.

– Lighting of tunnels and overhead lines.

– Traction substation buildings with transformers, autotransformers, GIS protection cubicles (55 kV) and protection and remote control cabins..

– Resources: a pantograph dresina, two off-road vehicles, 10 people with authorizations to work in SSEE, catenary and high tension lines.